A tackifier-free, hot melt adhesive composition comprises an amorphous, single site-catalyzed, high molecular weight propylene copolymer, preferably with a weight average molecular weight (Mw) greater than 80,000 g/mol; a semicrystalline, single site-catalyzed, low molecular weight propylene copolymer, preferably with an Mw less than 60,000 g/mol; and polyisobutene. The composition may optionally include a plasticizer, a butene-rich copolymer, and an antioxidant. The hot melt adhesive is especially useful for bonding substrates which swell or elongate significantly in use. Such uses include adhering superabsorbent polymers to a substrate or adhering together two substrates, at least one of which has superabsorbent polymers, such as the layers of an absorbent core of a disposable hygiene article, such as a diaper. The composition, which does not contain a tackifier, demonstrates suitable elongation at break, stress retention, and thermal stability, making it well-suited for stabilizing expanded species such as superabsorbent polymers.
A61F 13/534 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
2.
METHOD FOR MOUNTING TILES ON WALL SURFACES USING A MOISTURE-CURABLE ADHESIVE COMPOSITION
A moisture-curable adhesive composition comprises a polymer component selected from a silane-terminated polyalkylene oxide and/or a polyurethane; a plurality of amino-silane modified wollastonite fibers having an average aspect ratio of from about 1.5:1 to about 12:1 and an average fiber length of from about 6 μm to about 825 μm; at least two fillers, wherein one of said fillers is untreated and a second of said fillers is treated with a modifier selected from the group consisting of a fatty acid derivative, a silane, a titanate, and mixtures thereof wherein at least one of said fillers is irregularly shaped; and a rheology modifier. The composition preferably further comprises a plurality of irregularly-shaped crumb rubber particles having an average particle size of between about 0.5 to 1.5 mm. The composition is useful for adhering tiles to surfaces, especially large format tiles to substantially vertically-extending wall surfaces.
A semicrystalline copolyester resin composition formed by twin screw extrusion of various ingredients includes copolyester resins, antiblock, slip and antifog additives. This semicrystalline copolyester resin can be extruded on to PET film or coextruded with PET resin to form clear PET films with antifog properties. These films with antifog properties are produced in a single step without the use of solvent and does not involve any secondary step for coating a separate antifog layer. This minimizes the cost and time required by a converter to make such clear antifog films. These films containing the heat seal copolyester resin can be heat sealed to clear APET trays. Contents within the trays, such as food, can be seen without fogging on the inside of the film that is used to seal the tray. The seals are strong and the peels are smooth giving a very good packaging performance.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
B29C 48/28 - Storing of extruded material, e.g. by winding up or stacking
A method of adhering substrate surfaces to one another comprises applying a copolyester resin mixture to the surfaces and contacting the surfaces with one another in the absence of heat to form a cold seal. The copolyester resin may be sulfonated and the reaction product of (a) at least two diols comprising ethylene glycol at a mole fraction of at least about 0.25 and (b) at least three diacids or diesters comprising: (i) a sulfomonomer at a mole fraction of at least 0.02, preferably at least 0.07; (ii) at least one aromatic diacid or diester; and (iii) at least one aliphatic diacid or diester. The ratio of aromatic to aliphatic diacids or diesters may be between about 75/25 and about 45/55, and the glass transition temperature of the resin may be between about −25° C. and about 15° C. The resin may be solvated and preferably is food grade compliant and compostable.
C09J 167/03 - Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
A hot melt adhesive comprises a polylactide homopolymer or copolymer, such as polylactic acid; sulfonated copolyester; and at least one plasticizer, and is compostable. The plasticizer may be a solid plasticizer, such as a benzoate, and a second plasticizer may also be used. The adhesive is suitable for use in a variety of applications, such as case and carton applications, use with burlap or other compostable substrates for tree bulbs or plant seeds, and use with other compostable films, and is especially appropriate for dual-walled paperboard beverage cups. The adhesive demonstrates good bond performance comparable to non-compostable adhesives over a range of temperatures, reflective of the temperatures of hot and cold beverages.
C09J 167/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
C09J 141/00 - Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfurAdhesives based on derivatives of such polymers
6.
AMORPHOUS COPOLYESTER RESIN FOR INDUSTRIAL COATINGS AND METHODS FOR COATING A METAL SURFACE USING SUCH COATING COMPOSITIONS
A copolyester resin comprises the reaction product of at least two aliphatic diols and at least two aromatic diacids or diesters comprising a naphthalene-based monomer and terephthalic-based monomer and has a glass transition temperature between about 65° C. and about 95° C. A coating comprises a copolyester resin comprising the reaction product of at least two aliphatic diols and at least one aromatic diacid or diester comprising the naphthalene-based monomer; a cross-linker; and metal catalyst. The coating composition may be solvated and provides excellent retort resistance, flexibility, chemical resistance, and ability to bond to metal substrates, including tin-plated steel. The copolyester resin may be food grade compliant and alcohol compliant, making it suitable for use as a can coating, especially for beverages and even alcoholic beverages with no restrictions on the alcohol content.
A multilayer film comprising, in this order:
(a) a biaxially oriented polyethylene terephthalate layer,
(b) a pressure sensitive adhesive layer,
(c) an elastic polyurethane dispersion, and
(d) a biaxially oriented polyethylene terephthalate layer.
A multilayer film comprising, in this order:
(a) a biaxially oriented polyethylene terephthalate layer,
(b) a pressure sensitive adhesive layer,
(c) an elastic polyurethane dispersion, and
(d) a biaxially oriented polyethylene terephthalate layer.
Layer (d) preferably has the structure A:B:A:C; where A and B preferably comprise crystalline PET and antiblocking particles and C is preferably an amorphous, heat-sealable copolyester.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 7/03 - Layered products characterised by the relation between layers Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties Layered products characterised by the interconnection of layers with respect to the orientation of features
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
8.
HOT MELT PRESSURE SENSITIVE ADHESIVES BASED ON ETHYLENE-ACRYLATE BLOCK COPOLYMERS
A hot melt pressure sensitive adhesive composition comprises: (a) a block copolymer comprising a first polymer block comprising an ethylene residue and a second polymer block comprising a C1 to C4 alkyl acrylate residue, wherein the block copolymer has a melt index as measured in accordance with ASTM D1238 of between about 0.1 and about 250 g/10 min; (b) a tackifying resin; and (c) a plasticizer. A method for making a laminate comprises the steps of: applying the hot melt pressure sensitive adhesive composition of the invention in a molten state to a primary substrate and allowing the adhesive to cool to form a bond with said primary substrate. Certain adhesives the invention perform comparably to certain styrene block copolymer adhesives, but provides an alternative polymer source.
C09J 153/00 - Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
A roofing underlayment capable of adhering to a roof deck comprising: (a) a roofing membrane having a first and a second major surface; and (b) a pressure-sensitive adhesive disposed on the first major surface of the roofing membrane and comprising: (i) at least one of butyl rubber or polyisobutylene; (ii) a first liquid plasticizer, preferably polybutene; and (iii) a tackifier, wherein the Tg of the adhesive is at most about 100 C. The adhesive provides high bond strength and excellent long-term heat aging, weathering resistance, as well as good low temperature properties while providing a moisture proof seam. A method for making the roofing underlayment includes applying the adhesive to the membrane then applying a release liner over the adhesive layer. A method for using the roofing underlayment comprises removing the release liner then adhering the underlayment to the roof deck by contacting the first to the roof deck.
C09J 153/00 - Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers
A hot melt adhesive uses a blend of polymers having controlled stereoerror and comprises a stereoblock polypropylene comprising a first block having an isotactic index of between about 50% and about 95% and a second block having an isotactic index of between about 5% and 50%, wherein the difference between the isotactic indeces of the first block and the second block is at least about 10%. The hot melt adhesive exhibits improved peel and tack properties without compromising shear strength and vice versa.
A method and system of using a polyolefin-based, hot melt adhesive improves creep performance of elastic strands adhered to another substrate. Some deflection, greater than 1°, of the exit angle formed by a line normal to the axis of a neutrally-positioned applicator and the elastic strand extending from the applicator is introduced. Preferably, deflection of the entrance angle is also introduced and a head tilt angle is also provided. The use of deflection improves creep performance or allows for a reduced amount of adhesive to be used to achieve the same or similar creep performance. The elastic strands may be used to form a leg cuff in personal care products, such as diapers, and the substrate to which they are applied could be a polyethylene film or non-woven materials.
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
A61L 15/22 - Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
C09J 145/00 - Adhesives based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring systemAdhesives based on derivatives of such polymers
12.
METHOD AND SYSTEM FOR TESTING AN ADHESIVE USED FOR A FEMININE CARE PAD
A system for testing an adhesive used for an adhesive-backed hygiene article, such as a feminine care pad, a breast pad, or certain adult incontinence pads, comprises first and second substrates defining a gap for positioning a weight which, by using a force measurement system, is caused to move over the substrate and to detach the adhesive-backed hygiene article from the cloth material. A method utilizes the system and measures the force as the weight moves after the weight contacts the adhesive-backed hygiene article. The force measured is reflective of the entire system, both the force required to cause the adhesive between the article and the cloth material to fail and for the article to bunch on itself. Depending on the specific test, one or two weights may be used.
A semicrystalline copolyester resin composition formed by twin screw extrusion of various ingredients includes copolyester resins, antiblock, slip and antifog additives. This semicrystalline copolyester resin can be extruded on to PET film or coextruded with PET resin to form clear PET films with antifog properties. These films with antifog properties are produced in a single step without the use of solvent and does not involve any secondary step for coating a separate antifog layer. This minimizes the cost and time required by a converter to make such clear antifog films. These films containing the heat seal copolyester resin can be heat sealed to clear APET trays. Contents within the trays, such as food, can be seen without fogging on the inside of the film that is used to seal the tray. The seals are strong and the peels are smooth giving a very good packaging performance.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
B29C 48/28 - Storing of extruded material, e.g. by winding up or stacking
A method of adhering substrate surfaces to one another comprises applying a copolyester resin mixture to the surfaces and contacting the surfaces with one another in the absence of heat to form a cold seal. The copolyester resin may be sulfonated and the reaction product of (a) at least two diols comprising ethylene glycol at a mole fraction of at least about 0.25 and (b) at least three diacids or diesters comprising: (i) a sulfomonomer at a mole fraction of at least 0.02, preferably at least 0.07; (ii) at least one aromatic diacid or diester; and (iii) at least one aliphatic diacid or diester. The ratio of aromatic to aliphatic diacids or diesters may be between about 75/25 and about 45/55, and the glass transition temperature of the resin may be between about -25°C and about 15°C. The resin may be solvated and preferably is food grade compliant and compostable.
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
A copolyester resin comprises the reaction product of at least two aliphatic diols and at least two aromatic diacids or diesters comprising a naphthalene-based monomer and terephthalic-based monomer and has a glass transition temperature between about 65°C and about 95°C. A coating comprises a copolyester resin comprising the reaction product of at least two aliphatic diols and at least one aromatic diacid or diester comprising the naphthalene-based monomer; a cross-linker; and metal catalyst. The coating composition may be solvated and provides excellent retort resistance, flexibility, chemical resistance, and ability to bond to metal substrates, including tin-plated steel. The copolyester resin may be food grade compliant and alcohol compliant, making it suitable for use as a can coating, especially for beverages and even alcoholic beverages with no restrictions on the alcohol content.
C08G 63/16 - Dicarboxylic acids and dihydroxy compounds
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
B32B 15/09 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyesters
16.
MULTI-LAYER RESEALABLE TAMPER-EVIDENT FILM FOR PACKAGING
A multilayer film comprising, in this order: (a) a biaxially oriented polyethylene terephthalate layer, (b) a pressure sensitive adhesive layer, (c) an elastic polyurethane dispersion, and (d) a biaxially oriented polyethylene terephthalate layer. Layer (d) preferably has the structure A:B:A:C; where A and B preferably comprise crystalline PET and antiblocking particles and C is preferably an amorphous, heat-sealable copolyester.
B29C 48/32 - Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
17.
HOT MELT PRESSURE SENSITIVE ADHESIVES BASED ON ETHYLENE-ACRYLATE BLOCK COPOLYMERS
144 alkyl acrylate residue, wherein the block copolymer has a melt index as measured in accordance with ASTM D1238 of between about 0.1 and about 250 g/10 min; (b) a tackifying resin; and (c) a plasticizer. A method for making a laminate comprises the steps of: applying the hot melt pressure sensitive adhesive composition of the invention in a molten state to a primary substrate and allowing the adhesive to cool to form a bond with said primary substrate. Certain adhesives the invention perform comparably to certain styrene block copolymer adhesives, but provides an alternative polymer source.
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof from compositions containing microballoons, e.g. syntactic foams
C09J 123/16 - Ethene-propene or ethene-propene-diene copolymers
18.
TACKIFIER-FREE HOT MELT ADHESIVE COMPOSITION, METHOD FOR USING THE SAME, AND ARTICLE MADE USING THE SAME
www less than 60,000 g/mol; and polyisobutene. The composition may optionally include a plasticizer, a butene-rich copolymer, and an antioxidant. The hot melt adhesive is especially useful for bonding substrates which swell or elongate significantly in use. Such uses include adhering superabsorbent polymers to a substrate or adhering together two substrates, at least one of which has superabsorbent polymers, such as the layers of an absorbent core of a disposable hygiene article, such as a diaper. The composition, which does not contain a tackifier, demonstrates suitable elongation at break, stress retention, and thermal stability, making it well-suited for stabilizing expanded species such as superabsorbent polymers.
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
A61F 13/515 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads characterised by the interconnection of the topsheet and the backsheet
19.
ROOFING UNDERLAYMENT USING A PRESSURE SENSITIVE ADHESIVE AND METHODS FOR MAKING AND USING THE SAME
A roofing underlayment capable of adhering to a roof deck comprising: (a) a roofing membrane having a first and a second major surface; and (b) a pressure-sensitive adhesive disposed on the first major surface of the roofing membrane and comprising: (i) at least one of butyl rubber or polyisobutylene; (ii) a first liquid plasticizer, preferably polybutene; and (iii) a tackifier, wherein the Tg of the adhesive is at most about 100 C. The adhesive provides high bond strength and excellent long-term heat aging, weathering resistance, as well as good low temperature properties while providing a moisture proof seam. A method for making the roofing underlayment includes applying the adhesive to the membrane then applying a release liner over the adhesive layer. A method for using the roofing underlayment comprises removing the release liner then adhering the underlayment to the roof deck by contacting the first to the roof deck.
A hot melt adhesive uses a blend of polymers having controlled stereoerror and comprises a stereoblock polypropylene comprising a first block having an isotactic index of between about 50% and about 95% and a second block having an isotactic index of between about 5% and 50%, wherein the difference between the isotactic indeces of the first block and the second block is at least about 10%. The hot melt adhesive exhibits improved peel and tack properties without compromising shear strength and vice versa.
A hot melt adhesive composition comprises a polypropylene homopolymer having a DSC melting point of less than 100°C; a butene-based copolymer; and a plasticizer. The butene-based copolymer may comprise a butene-rich amorphous poly-alpha olefin, such as a butene-propylene copolymer, or a semi-crystalline copolymer, such as a butene-ethylene copolymer. The hot melt adhesive is especially useful for bonding substrates which swell or elongate significantly in use. Such uses include adhering superabsorbent polymers to a substrate or adhering together two substrates at least one of which having superabsorbent polymers, such as the top and bottom layer of an absorbent core of a disposable hygiene article, such as a diaper, feminine sanitary napkin, and adult incontinence pad. The hot melt adhesive composition, which does not contain a tackifier, demonstrates suitable elongation at break and stress at yield, with a sufficiently low viscosity, to stabilize an absorbent core having superabsorbent polymers.
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
C09J 7/04 - on paper or textile fabric (adhesive bandages, dressings or absorbent pads A61L 15/16)
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
22.
METHOD AND SYSTEM FOR TESTING AN ADHESIVE USED FOR A FEMININE CARE PAD
A system for testing an adhesive used for an adhesive-backed hygiene article, such as a feminine care pad, a breast pad, or certain adult incontinence pads, comprises first and second substrates defining a gap for positioning a weight which, by using a force measurement system, is caused to move over the substrate and to detach the adhesive-backed hygiene article from the cloth material. A method utilizes the system and measures the force as the weight moves after the weight contacts the adhesive-backed hygiene article. The force measured is reflective of the entire system, both the force required to cause the adhesive between the article and the cloth material to fail and for the article to bunch on itself. Depending on the specific test, one or two weights may be used.
A hot melt wetness indicator comprising an adhesive base composition utilizing a halogen-free species, namely nitrazine yellow, to trigger color change in hygiene articles, such as disposable diapers, to serve as moisture or wetness indicator upon insult. In some embodiments of the invention, the wetness indicator turns from yellow to purple.
A61F 13/42 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators with wetness indicator or alarm
24.
Wetness indicator free from halogen-containing species
A hot melt wetness indicator comprising an adhesive base composition utilizing a halogen-free species, namely nitrazine yellow, to trigger color change in hygiene articles, such as disposable diapers, to serve as moisture or wetness indicator upon insult. In some embodiments of the invention, the wetness indicator turns from yellow to purple.
A61F 13/42 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators with wetness indicator or alarm
A61F 13/84 - Accessories, not otherwise provided for, for absorbent pads
Build-up of adhesive on process equipment is reduced or even eliminated by increasing the running temperature of process equipment used to guide substrates as they are conveyed along a system used to apply adhesive and form laminates. Preferably, the process equipment is heated to a temperature of at least about 5°C, preferably at least about 10°C, and most preferably at least about 15°C, above the crossover temperature of the adhesive, and at most about 60°C, preferably at most about 50°C, and most preferably at most about 45°C, above the crossover temperature. This method is particularly beneficial when using hot melt adhesives to form laminates with permeable substrates, such as low basis weight nonwovens, for use in disposable absorbent articles. A system for applying a hot melt adhesive to a substrate comprises a heater for providing heat to the process equipment and, optionally, a chiller for cooling the process equipment.
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 37/06 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
B32B 37/08 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
26.
Methods for making a plasticized polymer, methods for making a composition using the plasticized polymer, and compositions comprising the plasticized polymer
A method for making a plasticized polymer comprises polymerizing a polymerizable monomer, such as an ethylenically unsaturated monomer, in a plasticizer, such as mineral oil, and in the presence of a catalyst system. The plasticized polymer may be mixed with a tackifying resin in a method for making an adhesive. A composition, which may be useful as an adhesive, comprises a polymer system comprising a first polymer; a plasticized system comprising a first plasticizer that was in the presence of the first polymer during the polymerization step to make the first polymer; and a tackifier. The method can be used to make compositions having polymers with a low density or a low molecular weight or both. The final compositions made by methods of the invention include adhesives, sealants, coating, or lubricants.
C10M 177/00 - Special methods of preparation of lubricating compositionsChemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
27.
METHODS FOR MAKING A PLASTICIZED POLYMER, METHODS FOR MAKING A COMPOSITION USING THE PLASTICIZED POLYMER, AND COMPOSITIONS COMPRISING THE PLASTICIZED POLYMER
A method for making a plasticized polymer comprises polymerizing a polymerizable monomer, such as an ethylenically unsaturated monomer, in a plasticizer, such as mineral oil, and in the presence of a catalyst system. The plasticized polymer may be mixed with a tackifying resin in a method for making an adhesive. A composition, which may be useful as an adhesive, comprises a polymer system comprising a first polymer; a plasticized system comprising a first plasticizer that was in the presence of the first polymer during the polymerization step to make the first polymer; and a tackifier. The method can be used to make compositions having polymers with a low density or a low molecular weight or both. The final compositions made by methods of the invention include adhesives, sealants, coating, or lubricants.
C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
A hot melt adhesive comprises a polylactide homopolymer or copolymer, such as polylactic acid; sulfonated copolyester; and at least one plasticizer, and is compostable. The plasticizer may be a solid plasticizer, such as a benzoate, and a second plasticizer may also be used. The adhesive is suitable for use in a variety of applications, such as case and carton applications, use with burlap or other compostable substrates for tree bulbs or plant seeds, and use with other compostable films, and is especially appropriate for dual-walled paperboard beverage cups. The adhesive demonstrates good bond performance comparable to non-compostable adhesives over a range of temperatures, reflective of the temperatures of hot and cold beverages.
C09J 167/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
C09J 141/00 - Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfurAdhesives based on derivatives of such polymers
A hot melt adhesive comprises a polylactide homopolymer or copolymer, such as polylactic acid; sulfonated copolyester; and at least one plasticizer, and is compostable. The plasticizer may be a solid plasticizer, such as a benzoate, and a second plasticizer may also be used. The adhesive is suitable for use in a variety of applications, such as case and carton applications, use with burlap or other compostable substrates for tree bulbs or plant seeds, and use with other compostable films, and is especially appropriate for dual-walled paperboard beverage cups. The adhesive demonstrates good bond performance comparable to non-compostable adhesives over a range of temperatures, reflective of the temperatures of hot and cold beverages.
A hot melt adhesive comprises at least one polymer selected from the group consisting of polystyrene, polybutene, polyisobutene, linear low density polyethylene, polypropylene random copolymer, polypropylene, olefin block copolymer, polyolefins, styrene block copolymers, and ethyl vinyl acetate polymers; a tackifying resin; and at least one precisely end-capped polystyrene (PECPS). The use of the styrene-based oligomers and polymers with the precisely controlled end-groups in hot melt adhesive formulations to improve compatibility with polymers and block copolymers frequently used in such adhesives.
A moisture-curable adhesive composition comprises a polymer component selected from a silane-terminated polyalkylene oxide and/or a polyurethane; a plurality of amino-silane modified wollastonite fibers having an average aspect ratio of from about 1.5:1 to about 12:1 and an average fiber length of from about 6 μm to about 825 μm; at least two fillers, wherein one of said fillers is untreated and a second of said fillers is treated with a modifier selected from the group consisting of a fatty acid derivative, a silane, a titanate, and mixtures thereof wherein at least one of said fillers is irregularly shaped; and a rheology modifier. The composition preferably further comprises a plurality of irregularly-shaped crumb rubber particles having an average particle size of between about 0.5 to 1.5 mm. The composition is useful for adhering tiles to surfaces, especially large format tiles to substantially vertically-extending wall surfaces.
A semicrystalline copolyester resin composition formed by twin screw extrusion of various ingredients includes copolyester resins, antiblock, slip and antifog additives. This semicrystalline copolyester resin can be extruded on to PET film or coextruded with PET resin to form clear PET films with antifog properties. These films with antifog properties are produced in a single step without the use of solvent and does not involve any secondary step for coating a separate antifog layer. This minimizes the cost and time required by a converter to make such clear antifog films. These films containing the heat seal copolyester resin can be heat sealed to clear APET trays. Contents within the trays, such as food, can be seen without fogging on the inside of the film that is used to seal the tray. The seals are strong and the peels are smooth giving a very good packaging performance.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
A hot melt adhesive composition, which may be used as a construction adhesive in hygiene articles, comprises a first polymer comprising a unimodal copolymer of propylene and ethylene and having a weight average molecular weight of between about 5,000 and 60,000 daltons; a second polymer comprising a copolymer of propylene and ethylene and having a weight average molecular weight of at least 100,000 daltons; a tackifying resin having a Ring & Ball softening point of at most 115°C; and a plasticizer. The composition demonstrates good peel strength and good shear resistance and is sprayable, with a sufficiently low viscosity, at low application temperatures, such as at about 121°C.
A laminate comprises a primary substrate and a secondary substrate mated with the primary substrate through contact with a hot melt adhesive. The hot melt adhesive comprises a polymer blend based on a low molecular weight semicrystalline propylene based polymer and a high molecular weight essentially amorphous propylene based polymer, both of which are prepared by using single-site catalysts. The composition further contains a compatible tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 5/04 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a layer being specifically extensible by reason of its structure or arrangement
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
35.
Hot melt adhesive compositions containing propylene copolymers and methods for using the same
A hot melt adhesive composition, which may be used as a construction adhesive in hygiene articles, comprises a first polymer comprising a unimodal copolymer of propylene and ethylene and having a weight average molecular weight of between about 5,000 and 60,000 daltons; a second polymer comprising a copolymer of propylene and ethylene and having a weight average molecular weight of at least 100,000 daltons; a tackifying resin having a Ring & Ball softening point of at most 115° C.; and a plasticizer. The composition demonstrates good peel strength and good shear resistance and is sprayable, with a sufficiently low viscosity, at low application temperatures, such as at about 121° C.
A polymer composition for use in a hot melt adhesive comprises at least one semierystalline, low molecular weight (LMW) propylene-based polymer; at least one essentially amorphous, high molecular weight (HMW) propylene-based polymer; and at least one essentially amorphous, LMW propylene-based polymer. A hot melt adhesive composition further contains a tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. The hot melt adhesive is useful for a variety of industrial applications where bonding of low surface energy substrates is encountered, including disposable nonwoven hygienic articles, labeling and other assembly applications. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies. The composition demonstrates improved peel strength while maintaining very good creep resistance.
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
C09J 7/24 - PlasticsMetallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
37.
HOT MELT ADHESIVE COMPOSITIONS BASED ON PROPYLENE-BASED POLYMERS AND METHODS FOR USING SAME
A polymer composition for use in a hot melt adhesive comprises at least one semicrystalline, low molecular weight (LMW) propylene-based polymer; at least one essentially amorphous, high molecular weight (HMW) propylene-based polymer; and at least one essentially amorphous, LMW propylene-based polymer. A hot melt adhesive composition further contains a tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. The hot melt adhesive is useful for a variety of industrial applications where bonding of low surface energy substrates is encountered, including disposable nonwoven hygienic articles, labeling and other assembly applications. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies. The composition demonstrates improved peel strength while maintaining very good creep resistance.
A method for making a laminate comprises the steps of applying a hot melt adhesive composition in a molten state to a primary substrate and mating a secondary substrate to the first substrate by contacting the secondary substrate with the adhesive composition. The composition comprises a polymer blend based on a low molecular weight semicrystalline propylene based polymer and a high molecular weight essentially amorphous propylene based polymer, both of which are prepared by using single-site catalysts. The composition further contains a compatible tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 5/04 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a layer being specifically extensible by reason of its structure or arrangement
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
39.
Moisture curable adhesive composition and method for installing hardwood floors
An adhesive composition for adhesively bonding floor coverings to a variety of substrates. The composition includes 0.2 to 10 weight percent of a plurality of irregularly shaped spacer particles of size 0.5 mm to 10 mm; 10 to 50 weight percent of a moisture curable polymer system; and 40 to 90 weight percent of additives for modifying physical properties of the composition. The adhesive has a composition such that, when cured, results in an elastomeric film of uniform thickness that exhibits controlled moisture vapor transmission and sound abatement properties. A floor structure and a method for constructing the floor structure using the adhesive composition are also provided.
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08G 65/336 - Polymers modified by chemical after-treatment with organic compounds containing silicon
C09J 171/00 - Adhesives based on polyethers obtained by reactions forming an ether link in the main chainAdhesives based on derivatives of such polymers
A hot melt adhesive comprises at least one polymer selected from the group consisting of polystyrene, polybutene, polyisobutene, linear low density polyethylene, polypropylene random copolymer, polypropylene, olefin block copolymer, polyolefins, styrene block copolymers, and ethyl vinyl acetate polymers; a tackifying resin; and at least one precisely end-capped polystyrene (PECPS). The use of the styrene-based oligomers and polymers with the precisely controlled end-groups in hot melt adhesive formulations to improve compatibility with polymers and block copolymers frequently used in such adhesives.
C09J 153/00 - Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers
C09J 153/02 - Vinyl aromatic monomers and conjugated dienes
C09J 155/00 - Adhesives based on homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups
41.
A MOISTURE-CURABLE ADHESIVE COMPOSITION AND A METHOD FOR MOUNTING TILES ON WALL SURFACES
A moisture-curable adhesive composition comprises a polymer component selected from a silane-terminated polyalkylene oxide and/or a polyurethane; a plurality of amino-silane modified wollastonite fibers having an average aspect ratio of from about 1.5:1 to about 12:1 and an average fiber length of from about 6 µm to about 825 µm; at least two fillers, wherein one of said fillers is untreated and a second of said fillers is treated with a modifier selected from the group consisting of a fatty acid derivative, a silane, a titanate, and mixtures thereof wherein at least one of said fillers is irregularly shaped; and a rheology modifier. The composition preferably further comprises a plurality of irregularly-shaped crumb rubber particles having an average particle size of between about 0.5 to 1.5 mm. The composition is useful for adhering tiles to surfaces, especially large format tiles to substantially vertically-extending wall surfaces.
C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
A semicrystalline copolyester resin composition formed by twin screw extrusion of various ingredients includes copolyester resins, antiblock, slip and antifog additives. This semicrystalline copolyester resin can be extruded on to PET film or coextruded with PET resin to form clear PET films with antifog properties. These films with antifog properties are produced in a single step without the use of solvent and does not involve any secondary step for coating a separate antifog layer. This minimizes the cost and time required by a converter to make such clear antifog films. These films containing the heat seal copolyester resin can be heat sealed to clear APET trays. Contents within the trays, such as food, can be seen without fogging on the inside of the film that is used to seal the tray. The seals are strong and the peels are smooth giving a very good packaging performance.
B65B 7/28 - Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
43.
HOT MELT ADHESIVES FOR BONDING ELASTOMERIC COMPONENTS, NONWOVEN MATERIALS, AND THERMOPLASTIC FILMS
A hot melt adhesive composition comprises a polymer blend based on a first polymer component having a low melting point and is selected from a polypropylene homopolymer and a copolymer of propylene and ethylene and mixtures thereof; a second polymer component comprising an amorphous polyolefin; and about 30% to about 75% by weight of a tackifying resin, The composition optionally further contains a plasticizer, an antioxidant, a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. The hot melt composition has a viscosity equal to or less than about 80,000 cP at 180 °C and is useful for a variety of industrial applications including bonding together the substrates used in disposable hygiene products, such as nonwoven layers, elastic attachments, and thermoplastic films (polyolefin, polylactic acid, etc.). The hot melt adhesive composition may be dually functional, serving as an elastic component adhesive and a construction adhesive.
Adhesive bleed-through of substrates and build-up of adhesive on process equipment can be reduced or even fully eliminated by increasing the running temperature of circumferential rolls (e.g., nip rollers or idlers) used to compress and adhesively bond the substrates of a laminate structure together, as opposed to the usual cooling of the nip rollers. This method is particularly beneficial when using polyolefin-based hot melt adhesives to form laminates with permeable substrates, such as low basis weight nonwovens, for use in disposable absorbent articles. The method can be used to make a range of laminated structures, such as bi-laminates and tri-laminates.
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
46.
Method for improving creep performance in elastic applications
A method and system of using a polyolefin-based, hot melt adhesive improves creep performance of elastic strands adhered to another substrate. Some deflection, greater than 1°, of the exit angle formed by a line normal to the axis of a neutrally-positioned applicator and the elastic strand extending from the applicator is introduced. Preferably, deflection of the entrance angle is also introduced and a head tilt angle is also provided. The use of deflection improves creep performance or allows for a reduced amount of adhesive to be used to achieve the same or similar creep performance. The elastic strands may be used to form a leg cuff in personal care products, such as diapers, and the substrate to which they are applied could be a polyethylene film or non-woven materials.
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
A61L 15/22 - Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
C09J 145/00 - Adhesives based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring systemAdhesives based on derivatives of such polymers
47.
METHOD AND SYSTEM FOR IMPROVING CREEP PERFORMANCE IN ELASTIC APPLICATIONS
A method and system of using a polyolefin-based, hot melt adhesive improves creep performance of elastic strands adhered to another substrate. Some deflection, greater than 1°, of the exit angle formed by a line normal to the axis of a neutrally-positioned applicator and the elastic strand extending from the applicator is introduced. Preferably, deflection of the entrance angle is also introduced and a head tilt angle is also provided. The use of deflection improves creep performance or allows for a reduced amount of adhesive to be used to achieve the same or similar creep performance. The elastic strands may be used to form a leg cuff in personal care products, such as diapers, and the substrate to which they are applied could be a polyethylene film or non-woven materials.
B05C 5/04 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being supplied to the apparatus in a solid state and melted before application
B05C 5/00 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
B05D 5/00 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
B05D 5/10 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an adhesive surface
48.
HOT MELT ADHESIVE COMPOSITION BASED ON A BLEND OF PROPYLENE COPOLYMERS PREPARED USING SINGLE-SITE CATALYSTS AND METHODS
A hot melt adhesive composition comprises a polymer blend based on a low molecular weight semicrystalline propylene based polymer and a high molecular weight essentially amorphous propylene based polymer, both of which are prepared by using single-site catalysts. The composition further contains a compatible tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. The hot melt composition has low viscosity ranging from 500 mPa.s to 35,000 mPa.s at 177 oC and is useful for a variety of industrial applications where bonding of low surface energy substrates is encountered, including disposable nonwoven hygienic articles, labeling and other assembly applications. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies.
A hot melt adhesive composition comprises a polymer blend based on a low molecular weight semicrystalline propylene based polymer and a high molecular weight essentially amorphous propylene based polymer, both of which are prepared by using single-site catalysts. The composition further contains a compatible tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. The hot melt composition has low viscosity ranging from 500 mPa·s to 35,000 mPa·s at 177° C. and is useful for a variety of industrial applications where bonding of low surface energy substrates is encountered, including disposable nonwoven hygienic articles, labeling and other assembly applications. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
A low temperature heat seal coating solution which contains an amorphous or semi-crystalline polyester or co-polyester resin, tackifier, anti-blocking agent, and solvent. The coating solution can be applied to a packaging web such as a foil or film by converters using conventional methods such as gravure, rod, slot die, or printing process. The heal seal coating can be sealed to itself or another substrate to manufacture food packaging bags or pharmaceutical blister packaging. The heat seal temperature can be as low as 70° C. under conventional equipment and conditions in the industry.
C09D 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
B05D 3/14 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chainCoating compositions based on derivatives of such polymers
The invention provides a fluid-absorbent core comprising: (a) an upper layer, (b) a lower layer, (c) fluid-absorbent polymer particles between upper layer and lower layer, the upper layer and the lower layer being at least partially joined together by attachments forming a sandwich-like structure with at least some of the unattached regions between the upper layer and the lower layer forming pockets containing fluid-absorbent polymer particles, the fluid- absorbent core further comprising an acquisition-distribution layer, said acquisition-distribution layer being either totally joined to the upper layer and at most partially joined to the lower layer or totally joined to the lower layer and at most partially joined to the upper layer.
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
A61F 13/537 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
about 0.1% to about 5% of a stabilizer or antioxidant; wherein the components total 100% by weight of the composition, and the viscosity of the composition is equal to or less than about 20,000 centipoise (cP) at 163° C. (325° F.).
A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
A61F 13/51 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
A61F 13/515 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads characterised by the interconnection of the topsheet and the backsheet
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
A low activation temperature heat seal hot melt adhesive for packaging applications based on a blend of metallocene catalyzed polyolefin polymer, tackifying resin, wax and other optional additives. In order to achieve the high viscosity suitable for an extrusion heat seal application, the adhesive composition of the invention is highly loaded with polymer, and thus should have a viscosity of about 50,000 centipoise or more measured at a temperature of 300°F. Accordingly, the hot melt adhesive composition contains about 50% to about 90 % by weight of metallocene catalyzed polyolefin polymer, about 5% to about 50% by weight of tackifying resin, about 0.5% to about 40% by weight of wax, about 0.1% to about 5% by weight of a stabilizer or antioxidant, and 0% to about 25% by weight of optional additives. The hot melt adhesive composition must have an activation temperature of about 160°F or less, and provide a minimum peel force of about 1.0 pound per inch in order to meet the sealing performance requirements for packaging food and other consumer goods.
A hot applied, non-crosslinking, non-butyl, sealant. These sealants are composed of olefin polymers, styrenic block copolymers, an ethylene vinyl acetate copolymer, tackifying resins, plasticizers, and preferably inorganic fillers, and organosilane adhesion promoters. Optionally, the sealant may include UV absorbers, antioxidants, pigments, and the like. The sealants are suitable for use as edge sealants for insulated glass (IG) window units.
C09D 123/02 - Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCoating compositions based on derivatives of such polymers not modified by chemical after-treatment
A hot melt adhesive made from a blend of a polypropylene -based polymer, a polyolefinm elastomer, and an amorphous polyolefin. These adhesives exhibit excellent molten and pre-set flow allowing them to wet out substrates yet develop properties needed to form and maintain strong bonds making them useful for hygiene, construction, and packaging applications.
A hot melt adhesive made from a blend of a polypropylene-based polymer, a polyolefin elastomer, and an amorphous polyolefin. These adhesives exhibit excellent molten and pre-set flow allowing them to wet out substrates yet develop properties needed to form and maintain strong bonds making them useful for hygiene, construction, and packaging applications.
A non-pressure sensitive hot melt adhesive for use in mailer applications uses a styrenic block copolymer (SBC) with a hydrogenated mid-block as the primary polymer in the composition. The adhesive contains about 10% to about 50% by weight of the SBC, about 2% to about 30%> by weight of a polyolefin polymer as a secondary polymer in the composition, about 10%> to about 70%> by weight of a suitable plasticizer, about 0%) to about 30%> by weight of a wax, about 0%> to about 50%> by weight of one or more tackifying resins, about 0.1 % to about 4% by weight of a stabilizer, and about 0%> to about 3%) by weight of auxiliary additives, so that the viscosity of the composition is equal to or less than about 10,000 cP at 163°C. The formulation balances the cohesive and adhesive strength required to insure the adhesive fails cohesively to prevent paper tear. In addition, the presence of the secondary polymer allows additional oil absorption into the polymer, thus preventing oil from staining the substrates or surfaces without significantly increasing the viscosity.
A non-pressure sensitive hot melt adhesive for use in mailer applications uses a styrenic block copolymer (SBC) with a hydrogenated mid-block as the primary polymer in the composition. The adhesive contains about 10% to about 50% by weight of the SBC, about 2% to about 30% by weight of a polyolefin polymer as a secondary polymer in the composition, about 10% to about 70% by weight of a suitable plasticizer, about 0% to about 30% by weight of a wax, about 0% to about 50% by weight of one or more tackifying resins, about 0.1% to about 4% by weight of a stabilizer, and about 0% to about 3% by weight of auxiliary additives, so that the viscosity of the composition is equal to or less than about 10,000 cP at 163° C. The formulation balances the cohesive and adhesive strength required to insure the adhesive fails cohesively to prevent paper tear. In addition, the presence of the secondary polymer allows additional oil absorption into the polymer, thus preventing oil from staining the substrates or surfaces without significantly increasing the viscosity.
C09J 153/00 - Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers
C09J 153/02 - Vinyl aromatic monomers and conjugated dienes
B42D 15/04 - Foldable or multi-part cards or sheets
B42D 15/00 - Printed matter of special format or style not otherwise provided for
The present invention is directed to a novel process for dosing super absorbent polymer particles into a plurality of particles flows, comprising the steps of: (i) providing super absorbent polymer particles; (ii) imparting a rotation to said particles; and (iii) collecting separate flows of particles, wherein the step (ii) is performed with a rotating mobile (11) provided into a housing (12).
Use for manufacturing absorbent article and article thus obtained.
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
B32B 37/18 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
64.
Polyolefin-based hot melt adhesives with improved properties
A hot melt adhesive composition made from polypropylene copolymer or polypropylene impact copolymer, a polyolefin elastomer, a low density polyethylene, a tackifying resin, a plasticizer, and a nucleating agent. These adhesives are fast setting yet show an improved balance of mechanical properties making them useful for hygiene, construction, and packaging applications.
A hot melt adhesive composition made from polypropylene copolymer or polypropylene impact copolymer, a polyolefin elastomer, a low density polyethylene, a tackifying resin, a plasticizer, and a nucleating agent. These adhesives are fast setting yet show an improved balance of mechanical properties making them useful for hygiene, construction, and packaging applications.
A conductor rail connector to connect the ends of two conductor rails may have first and second connection elements able to be connected to the conductor rail ends using at least one screw element supported on one side on a first side of a conductor rail end and supported on the other side on the first connection element.
A low temperature heat seal coating solution which contains an amorphous or semi-crystalline polyester or co-polyester resin, tackifier, anti-blocking agent, and solvent. The coating solution can be applied to a packaging web such as a foil or film by converters using conventional methods such as gravure, rod, slot die, or printing process. The heal seal coating can be sealed to itself or another substrate to manufacture food packaging bags or pharmaceutical blister packaging. The heat seal temperature can be as low as 70°C under conventional equipment and conditions in the industry.
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chainCoating compositions based on derivatives of such polymers
A low temperature heat seal coating solution which contains an amorphous or semi-crystalline polyester or co-polyester resin, tackifier, anti-blocking agent, and solvent. The coating solution can be applied to a packaging web such as a foil or film by converters using conventional methods such as gravure, rod, slot die, or printing process. The heal seal coating can be sealed to itself or another substrate to manufacture food packaging bags or pharmaceutical blister packaging. The heat seal temperature can be as low as 70° C. under conventional equipment and conditions in the industry.
C09D 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
B05D 3/14 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chainCoating compositions based on derivatives of such polymers
A hot melt adhesive composed of a styrene-butadiene-styrene polymer having a relatively high diblock content and styrene content, a second styrenic block copolymer having a lower diblock content than the styrene-butadiene-styrene polymer, which is preferably a styrene-isoprene-styrene polymer, together with tackifying resin, and liquid plasticizer. The preferred styrene-butadiene-styrene polymer contains a styrene content of greater than 30 percent and a diblock content greater than 30 percent by weight. When used in conjunction with a styrene-isoprene-styrene polymer, the hot melt composition provides improved peel strength at 5°C, and when used as a pad attachment positioning adhesive, did not exhibit adhesive transfer at 40°C.
A hot melt adhesive composed of a styrene-butadiene-styrene polymer having a relatively high diblock content and styrene content, a second styrenic block copolymer having a lower diblock content than the styrene-butadiene-styrene polymer, which is preferably a styrene-isoprene-styrene polymer, together with tackifying resin, and liquid plasticizer. The preferred styrene-butadiene-styrene polymer contains a styrene content of greater than 30 percent and a diblock content greater than 30 percent by weight. When used in conjunction with a styrene-isoprene-styrene polymer, the hot melt composition provides improved peel strength at 5° C., and when used as a pad attachment positioning adhesive, did not exhibit adhesive transfer at 40° C.
C09J 153/02 - Vinyl aromatic monomers and conjugated dienes
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
71.
HOT MELT ADHESIVE WITH FUNCTIONALIZED METALLOCENE CATALYZED POLYOLEFINS
A hot melt adhesive composition containing a functionalized polymer, namely, a metallocene catalyzed polyolefin elastomer grafted with maleic anhydride, together with a non-functionalized secondary polymer, namely, a metallocene catalyzed random or block polyolefin elastomer having a melt index equal to or greater than 15, a first tackifying resin having a softening point of at least 95°C, and a wax. The composition may optionally include an aromatic reinforcing resin having a softening point equal to or higher than 115°C, and a plasticizer. These hot melts provide superior hot tack, excellent adhesion, flexibility, and heat resistance above 150°F in applications such as rigid packaging, hot fill packaging, and bottle labeling.
A hot melt adhesive composition containing a functionalized polymer, namely, a metallocene catalyzed polyolefin elastomer grafted with maleic anhydride, together with a non-functionalized secondary polymer, namely, a metallocene catalyzed random or block polyolefin elastomer having a melt index equal to or greater than 15, a first tackifying resin having a softening point of at least 95° C., and a wax. The composition may optionally include an aromatic reinforcing resin having a softening point equal to or higher than 115° C., and a plasticizer. These hot melts provide superior hot tack, excellent adhesion, flexibility, and heat resistance above 150° F. in applications such as rigid packaging, hot fill packaging, and bottle labeling.
A hot melt adhesive using polypropylene impact copolymers that is particularly well suited for elastic attachment and stretch films in diaper structures. The hot melt adhesive composition is a blend of about 2.5% to about 30%, by weight, of a polypropylene impact copolymer; about 2.5% to about 30%, by weight, of an olefin based elastomer; about 10% to about 70%, by weight, of a tackifying resin having a softening point of at least about 80° C. and up to about 140° C.; about 0% to about 60%, by weight, of a plasticizer; and about 0.1% to about 5% of a stabilizer or antioxidant.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 25/10 - Layered products essentially comprising natural or synthetic rubber next to a fibrous or filamentary layer
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
A hot melt adhesive composed of an ethylene vinyl acetate copolymer, a hydrogenated styrenic block copolymer, a tackifying resin, and a liquid plasticizer. The preferred ethylene vinyl acetate copolymer has a vinyl acetate content between 8 and 28 percent by weight, and the preferred hydrogenated styrenic block copolymer is a styrene-ethylene-butylene-styrene having about 30% styrene content and essentially no diblock. The hot melt gives excellent peel strength when used as a construction adhesive for disposable nonwoven articles. It can also be formulated to exhibit very low bleed through and blocking characteristics when used on low basis weight nonwoven fabrics.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
C08L 91/00 - Compositions of oils, fats or waxesCompositions of derivatives thereof
A hot melt adhesive composed of an ethylene vinyl acetate copolymer, a hydrogenated styrenic block copolymer, a tackifying resin, and a liquid plasticizer. The preferred ethylene vinyl acetate copolymer has a vinyl acetate content between 8 and 28 percent by weight, and the preferred hydrogenated styrenic block copolymer is a styrene-ethylene-butylene-styrene having about 30% styrene content and essentially no diblock. The hot melt gives excellent peel strength when used as a construction adhesive for disposable nonwoven articles. It can also be formulated to exhibit very low bleed through and blocking characteristics when used on low basis weight nonwoven fabrics.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
Goods & Services
Antimicrobial surface agent sold as a component ingredient of adhesives for laying ceramic tiles, carpet and vinyl adhesives, polyurethane adhesives, flooring adhesives and adhesive materials for the building industry and tiles Antimicrobial surface agent sold as a component ingredient of construction mastic sealants for buildings, adhesive sealants for general use and for buildings and waterproof sealants Antimicrobial surface agent sold as a component ingredient of cement and cement mixes in the nature of portland cement patching compounds, flooring underlayments, grout, tile grout, mortar, and mortar for glass
77.
Hot melt adhesive based on low melting point polypropylene homopolymers
wherein the components total 100% by weight of the composition, and the viscosity of the composition is equal to or less than about 20,000 centipoise (cP) at 163° C. (325° F.).
A hot melt adhesive for use on porous substrates, wherein the hot melt adhesive has a) about 10% to about 70%> by weight of a polypropylene homopolymer having a DSC melting point of less than 100°C; b) about 10% to about 60% of a first tackifying resin having a Ring & Ball Softening Point of about 95°C to about 140°C; c) about 0% to about 65% of a second tackifying resin that is different than the first tackifying resin; d) about 5% to about 50%> of a plasticizer; e) about 1% to about 40% by weight of a secondary polymer which is either a semi- crystalline polymer or wax with an enthalpy of fusion of greater than 30 Joules/gram; f) about 0.1% to about 5% of a stabilizer or antioxidant; wherein the components total 100% by weight of the composition, and the viscosity of the composition is equal to or less than about 20,000 centipoise (cP) at 163°C (325°F).
a) is obtained; providing a pre-metered amount of SAP particulate material (6); providing a second sheet layer (7) material and affixing it for sandwiching with the first sheet layer; and finishing the absorbent article.
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
A61L 15/60 - Liquid-swellable gel-forming materials, e.g. super-absorbents
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
B05C 19/04 - Apparatus specially adapted for applying particulate materials to surfaces the particulate material being projected, poured or allowed to flow onto the surface of the work
A61L 15/60 - Liquid-swellable gel-forming materials, e.g. super-absorbents
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
B05C 19/04 - Apparatus specially adapted for applying particulate materials to surfaces the particulate material being projected, poured or allowed to flow onto the surface of the work
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
A61F 13/53 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium
A61F 13/538 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by specific fibre orientation or weave
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
86.
NOVEL PROCESS FOR DOSING SUPER ABSORBENT PARTICLES
The present invention is directed to a novel process for dosing super absorbent polymer particles into a plurality of particles flows, comprising the steps of: (i) providing super absorbent polymer particles; (ii) imparting a rotation to said particles; and (iii) collecting separate flows of particles, wherein the step (ii) is performed with a rotating mobile (11) provided into a housing (12). Use for manufacturing absorbent article and article thus obtained.
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
The present invention relates to absorbent cores especially ultrathin fluid absorbent cores comprising fluid-absorbent polymers in a plurality of pockets, wherein the particle size distribution of the fluid-absorbent polymers in the pockets vary by not more than 15% between the pockets.
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A hot melt adhesive using polypropylene impact copolymers that is particularly well suited for elastic attachment and stretch films in diaper structures. The hot melt adhesive composition is a blend of about 2.5% to about 30%, by weight, of a polypropylene impact copolymer; about 2.5% to about 30%, by weight, of an olefin based elastomer; about 10% to about 70%, by weight, of a tackifying resin having a softening point of at least about 80°C and up to about 140°C; about 0% to about 60%, by weight, of a plasticizer; and about 0.1% to about 5% of a stabilizer or antioxidant.
A hot applied, non-crosslinking, non-butyl, sealant. These sealants are composed of olefin polymers, styrenic block copolymers, an ethylene vinyl acetate copolymer, tackifying resins, plasticizers, and prefereably inorganic fillers, and organosilane adhesion promoters. Optionally, the sealant may include UV absorbers, antioxidants, pigments, and the like. The sealants are suitable for use as edge sealants for insulated glass (IG) window units.
The present invention is directed to a liquid-absorbing article comprising: • - a first sheet layer (2) presenting an array of absorbent receiving pockets (4); • - masses of superabsorbent material (6), which masses are placed in said absorbent receiving pockets; • - a second sheet layer (7) placed on top of the first layer; • - bonding beads (5), ensuring structural strength, placed between the respective pockets. The first sheet layer (2) forming pleats (10) on the masses (6) of superabsorbent material, the pleats being present in a zone that extends about the periphery of the pocket thus formed.
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
The present invention is directed to a liquid-absorbing article comprising: - a first sheet layer presenting an array of absorbent receiving pockets; - masses of superabsorbent material, which masses are placed in said absorbent receiving pockets; - a second sheet layer placed on top of the first layer; - bonding beads placed between the respective pockets.
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
The present invention is directed to a novel process for preparing an absorbent article, wherein the process comprises providing a first sheet layer (2); conforming said first layer on a first roll C2, whereby longitudinal corrugations are formed on the layer; conforming said corrugated layer (2) on a second roll C3, whereby a pattern of pockets (4, 4a) is obtained; providing a pre-metered amount of SAP particulate material (6) into said pockets; providing a second sheet layer (7) material and affixing it for sandwiching with the first sheet layer; and finishing the absorbent article.
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
B65B 9/04 - Enclosing successive articles, or quantities of material, between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
The present invention is directed to a novel process for manufacturing an absorbent article comprising the steps of: providing a first sheet layer (2); providing an array of pockets (4, 4a) into said first sheet layer; providing a pre-metered amount of SAP particulate material (6); said pre-metered amount of SAP material being delivered from a rotating delivering drum (101, 111 ), said drum having apertures (103a, 103b, 103c, 103d, 113a, 113b, 1 13c) on its periphery corresponding to the array of pockets (4, 4a), said pre- metered amount of SAP material being delivered from the inner part of said drum (101, 111) through said apertures (103a, 103b, 103c, 103d, 113a, 113b, 113c); providing a second sheet layer (7) material and affixing it for sandwiching with the first sheet layer; finishing the absorbent article.
A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
B65B 9/04 - Enclosing successive articles, or quantities of material, between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
98.
PETROLATUM CONTAINING HOT MELT BOTTLE LABELING ADHESIVE
A novel hot melt adhesive for bonding labels on plastic bottles is described. The adhesive comprises a blend of a styrenic block copolymer, an ethylene vinyl acetate copolymer, a tackifying resin, petrolatum and optionally a wax. The use of petrolatum instead of mineral oil provides for better elevated temperature resistance than traditional formulations.
A hot melt adhesive that is composed of a metallocene catalyzed polyethylene polymer, a hydrogenated styrenic block copolymer, a tackifying resin, and a solid plasticizer. The preferred polyethylene polymer is an ethylene-octene copolymer, and the preferred styrenic block copolymer is a styrene-ethylene-butylene-styrene having less than 30% styrene content. The preferred solid plasticizer is either glycerol tribenzoate or 1,4-cyclohexane dimethanol dibenzoate.
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
100.
POLYOLEFIN BASED HOT MELT ADHESIVE CONTAINING A SOLID PLASTICIZER
A hot melt adhesive that is composed of a metallocene catalyzed polyethylene polymer, a hydrogenaied styrenic block copolymer, a tackifying resin, and a solid plasticizer. The preferred polyethylene polymer is an ethylene-octene copolymer, and the preferred styrenic block copolymer is a styrene-ethylene-butylene-styrene having less than 30% styrene content. The preferred solid plasticizer is either glycerol tribenzoate or 1,4-cyclohexane dimethanol dibenzoate.
