A method for the manufacture of mineral wool products is disclosed. In one example, the method comprises reacting an aqueous phenol-formaldehyde resole with free formaldehyde with a first amount of urea, thereby preparing a prereact. The prereact is contacted with a second amount of urea. The resulting mixture of prereact and second amount of urea, as part of a binder, optionally with additives is applied to the surface of mineral fibers. The binder is cured on the surface of the mineral fibers. A mineral wool product with reduced emissions of formaldehyde is also disclosed.
Embodiments of an insulation packaging material (100) for packing at least one insulating board are provided herein. The insulation packaging material (100) comprises at least one marking (111, 112, 113, 114, 115, 116) on a surface (101) of the insulation packaging material (100). The marking (111, 112, 113, 114, 115, 116) is designed to form a predetermined template adapted in size and shape to be used when cutting a cutout (140, 150) from an insulating board. An insulation board package is provided, the package containing insulation packaging material (100) and at least one insulating board or a plurality of stacked insulating boards. Further, a method of forming a predetermined template from an insulation packaging material, a method of forming an insulating board cutout (140, 150) and a method of forming a self-bearing duct section are provided.
B65D 75/04 - Articles or materials wholly enclosed in single sheets or wrapper blanks
B65D 81/36 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents adapted to be used for non-packaging purposes after removal of contents
Embodiments of a curable formaldehyde-free resin, and a method for the manufacture of the curable formaldehyde-free resin are provided herein. The curable formaldehyde-free resin is provided in the form of an aqueous dispersion. The curable formalde-hyde-free resin comprises component a) a reducing sugar, component b) a polycarboxylic acid, component c) one or more polyols having a molecular weight of less than 1000 g/mol, and component d) epoxysilane. The total amount of component c) in the curable formaldehyde-free resin is between 0.5 and 10% wt. with respect to the sum of components a) and b). The amount of component d) is from 0.1% wt. to less than or equal to 2% wt. with respect to the sum of components a) and b). Further, a method for the manufacture of the curable formaldehyde-free resin according to one of the embodiments of the present disclosure is provided.
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
C08G 63/695 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing silicon
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
The present invention refers to an insulation panel comprising a board of mineral wool, a layer of non-woven mineral fibers, and a layer of a woven glass fiber fabric, wherein the layer of non-woven mineral fibers is located between the board of mineral wool and the layer of woven glass fiber fabric, its use for thermal and sound insulation, particularly for façades and ducts.
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 19/04 - Layered products essentially comprising natural mineral fibres or particles, e.g. asbestos, mica next to another layer of a specific substance
B32B 19/06 - Layered products essentially comprising natural mineral fibres or particles, e.g. asbestos, mica next to a fibrous or filamentary layer
The present invention is a curable binder composition for a mineral wool product comprising a low amount of inorganic biocide compound that is stable, presents high reactivity and efficient against pathogen.
C09J 161/24 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
The present invention relates to a method for manufacturing an insulating structure, said insulated structure intended for insulating a rigid construction by fixing insulating elements, part of the mentioned insulating structure, and creating an insulation space that may thereafter be filled with insulating particles. The invention is also related to such an insulating structure for the insulation of a rigid construction.
E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
Embodiments of a curable formaldehyde-free resin, and a method for the manufacture of the curable formaldehyde-free resin are provided herein. The curable formaldehyde-free resin is provided in the form of an aqueous dispersion. The curable formaldehyde-free resin comprises component a) a reducing sugar, component b) a polycarboxylic acid, component c) one or more polyols having a molecular weight of less than 1000 g/mol, and component d) epoxysilane. The total amount of component c) in the curable formaldehyde-free resin is between 0.5 and 10% wt. with respect to the sum of components a) and b). The amount of component d) is from 0.1% wt. to less than or equal to 2% wt. with respect to the sum of components a) and b). Further, a method for the manufacture of the curable formaldehyde- free resin according to one of the embodiments of the present disclosure is provided.
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
Embodiments of a curable formaldehyde-free resin, and a method for the manufacture of the curable formaldehyde-free resin are provided herein. The curable formaldehyde-free resin is provided in the form of an aqueous dispersion. The curable formaldehyde-free resin comprises component a) a reducing sugar, component b) a polycarboxylic acid, component c) one or more polyols having a molecular weight of less than 1000 g/mol, and component d) epoxysilane. The total amount of component c) in the curable formaldehyde-free resin is between 0.5 and 10% wt. with respect to the sum of components a) and b). The amount of component d) is from 0.1% wt. to less than or equal to 2% wt. with respect to the sum of components a) and b). Further, a method for the manufacture of the curable formaldehyde- free resin according to one of the embodiments of the present disclosure is provided.
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
C08K 5/5435 - Silicon-containing compounds containing oxygen containing oxygen in a ring
A method for the manufacture of mineral wool products is disclosed. In one example, the method comprises reacting an aqueous phenol-formaldehyde resole with free formaldehyde with a first amount of urea, thereby preparing a prereact. The prereact is contacted with a second amount of urea. The resulting mixture of prereact and second amount of urea, as part of a binder, optionally with additives is applied to the surface of mineral fibers. The binder is cured on the surface of the mineral fibers. A mineral wool product with reduced emissions of formaldehyde is also disclosed.
The invention relates to a pack (1) comprising an arrangement of insulating panels (2,'"), wherein all insulating panels are disposed in parallel, and wherein each insulating panel comprises a first layer (3) and a second layer (4). Particularly, the arrangement of the pack of the invention provides a low cost packaging for safely shipping and storing insulating panels. The invention also provides a pallet comprising at least one pack of the invention, the use of the pack or of the pallet of the invention for protecting insulating panels during transportation and handling, and a method for preparing the pack of the invention.
The invention relates to a method for the manufacture of mineral wool, comprising reacting an aqueous phenolformaldehyde resole with free formaldehyde with a first amount of urea, thereby preparing a prereact; contacting the prereact with a second amount of urea; applying the resulting mixture of prereact and second amount of urea, as part of a binder, optionally with additives, to the surface of mineral fibers; and curing the binder on the surface of the mineral fibers. The total amount of urea (Ut) (relative to the sum of the dry weight content of the phenolformaldehyde resole and the total amount of urea (Ut), and the second amount of urea (U2), are used in specific ranges. The invention also relates to a mineral wool product with reduced emissions of formaldehyde obtained by the method of the invention.
C03C 25/34 - Condensation polymers of aldehydes, e.g. with phenols, ureas, melamines, amides or amines
C09J 161/30 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic and acyclic or carbocyclic compounds
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
12.
METHOD FOR THE MANUFACTURE OF MINERAL WOOL PRODUCTS
The invention relates to a method for the manufacture of mineral wool, comprising reacting an aqueous phenolformaldehyde resole with free formaldehyde with a first amount of urea, thereby preparing a prereact; contacting the prereact with a second amount of urea; applying the resulting mixture of prereact and second amount of urea, as part of a binder, optionally with additives, to the surface of mineral fibers; and curing the binder on the surface of the mineral fibers. The total amount of urea (Ut) (relative to the sum of the dry weight content of the phenolformaldehyde resole and the total amount of urea (Ut), and the second amount of urea (U2), are used in specific ranges. The invention also relates to a mineral wool product with reduced emissions of formaldehyde obtained by the method of the invention.
C03C 25/34 - Condensation polymers of aldehydes, e.g. with phenols, ureas, melamines, amides or amines
C09J 161/30 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic and acyclic or carbocyclic compounds
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
13.
Method for the manufacture of mineral wool products with a phenol-formaldehyde resole based binder
A method for the manufacture of mineral wool, is disclosed. In one example, the method comprises reacting an aqueous phenol-formaldehyde resole with free formaldehyde with a first amount of urea, thereby preparing a prereact; contacting the prereact with a second amount of urea; applying the resulting mixture of prereact and second amount of urea, as part of a binder, optionally with additives, to the surface of mineral fibers; and curing the binder on the surface of the mineral fibers. The total amount of urea used ranges 10-40 wt. % relative to the sum of the dry weight of the phenol-formaldehyde resole and the total amount of urea, and the second amount of urea used is at least 40 wt.-% of the total amount of urea. The invention also relates to a mineral wool product with reduced emissions of formaldehyde obtained by the method.
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
A curable resin and method is disclosed. In one example, the curable resin is for the manufacture of mineral fiber products such as mineral wool insulating products. The curable resin includes components a), b) and c), wherein a) is a saccharide, b) is a polycarboxylic crosslinking agent, and c) is a polyvalent metal oxide curing accelerator. In one example, the curable resin is formaldehyde free.
IMPROVED INSULATION SYSTEM COMPRISING GLASS WOOL FOR A STRUCTURAL ELEMENT OF A BUILDING AND IMPROVED METHOD FOR SPACED FIXATION OF INSULATING ELEMENTS COMPRISING GLASS WOOL TO STRUCTURAL ELEMENTS OF BUILDINGS
Insulation system for a structural element of a building, such as a wall or a roof, comprising: i) an insulation element comprising glass wool and ii) a spacer fastening device for fastening the insulation element to the structural element. The spacer fastening device comprises a) a hollow shank with first means for engagement with the insulation element and b) an elongated shaft received in the cavity of the hollow shank and comprising a first threaded region. The spacer fastening device is characterized in that it further comprises c) an adjusting element having second means for engagement with the first threaded region of the shaft, the second means for engagement allowing rotation of the adjusting element relative to the shaft to produce a movement of the adjusting element relative to the elongated shaft along its axial direction; and the adjusting element and the hollow shank being locked against relative movement in the axial direction of the shaft, while being rotatable relative to each other. A method for the spaced fixation of an insulation element comprising glass wool to a structural element of a building is also disclosed.
E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
F16B 13/04 - Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
The invention relates to a method for the manufacture of mineral wool, comprising reacting an aqueous phenolformaldehyde resole with free formaldehyde with a first amount of urea, thereby preparing a prereact; contacting the prereact with a second amount of urea; applying the resulting mixture of prereact and second amount of urea, as part of a binder, optionally with additives, to the surface of mineral fibers; and curing the binder on the surface of the mineral fibers. The total amount of urea used ranges 10-40 wt.% relative to the sum of the dry weight of the phenolformaldehyde resole and the total amount of urea, and the second amount of urea used is at least 40 wt.-% of the total amount of urea. The invention also relates to a mineral wool product with reduced emissions of formaldehyde obtained by the method.
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
17.
METHOD FOR THE MANUFACTURE OF MINERAL WOOL PRODUCTS WITH A PHENOL-FORMALDEHYDE RESOLE BASED BINDER
The invention relates to a method for the manufacture of mineral wool, comprising reacting an aqueous phenolformaldehyde resole with free formaldehyde with a first amount of urea, thereby preparing a prereact; contacting the prereact with a second amount of urea; applying the resulting mixture of prereact and second amount of urea, as part of a binder, optionally with additives, to the surface of mineral fibers; and curing the binder on the surface of the mineral fibers. The total amount of urea used ranges 10-40 wt.% relative to the sum of the dry weight of the phenolformaldehyde resole and the total amount of urea, and the second amount of urea used is at least 40 wt.-% of the total amount of urea. The invention also relates to a mineral wool product with reduced emissions of formaldehyde obtained by the method.
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
Curable resin, preferably formaldehyde-free, for the manufacture of mineral fiber products such as mineral wool insulating products. The curable resins comprise components a), b) and c), wherein a) is a saccharide, b) is a polycarboxylic crosslinking agent, and c) is a polyvalent metal oxide curing accelerator.
A curable formaldehyde-free resin in the form of an aqueous dispersion. The resin comprising components a), b) and c), wherein: a) is water-insoluble native starch, b) is a polycarboxylic polymer, and c) is non-polymeric polycarboxylic acid compound, and wherein the amount of polycarboxylic polymer (b) comprised in the resin is between 2 and 45 wt.-% relative to the sum of the weights of the components a), b) and c).
A wall or roof system (1) comprising a structural element (2) having a first (21) and a second side (22); an insulation element (3) having first (31) and second (32) major surfaces, the insulation element (3) arranged with its first major surface (31) proximal to the second side (22) of the structural element (2), the insulation element (3) comprising an internal layer (4) proximal to the structural element (2), and an external layer (5) distal from the structural element (2), both layers being distinct and both layers extending in the length and width direction of the insulation element (3); a spacer fastening device (6) for fixation of the insulation element (3) to the structural element (2), spacer fastening device (6) adapted to hold the second major surface (32) of the insulation element (3) spaced at a defined distance from the second side (22) of the structural element (22), this distance being adjustable by acting on the spacer fastening device (6); wherein the external layer (5) comprises fibrous insulating material with a density lower than 140 kg/m3; and the fibrous insulating material in the external layer (5) has a laminar configuration of the fibers.
E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
21.
IMPROVED METHOD FOR FIXATION OF AN INSULATION ELEMENT TO A STRUCTURAL ELEMENT OF A BUILDING, AND SPACER FASTENING DEVICE SUITABLE FOR USE IN SUCH A METHOD
A method for fixation of an insulation element (3) to a structural element (2), the structural element having a first (21) and a second side (22), comprises: providing an insulation element (3) comprising an insulation material and comprising a first (31) and a second major surfaces (32); positioning the insulation element (3) with its first major surface (31) proximal to the second side (22) of the structural element (2); providing a spacer fastening device (6) comprising a hollow shank (65) and a fastening screw received in the cavity of the hollow shank, wherein the hollow shank and the fastening screw are adapted to be locked relative to each other in an axial longitudinal direction of the fastening screw, the fastening screw comprising a treaded tip for engagement with the structural element, and the hollow shank comprising a helical thread running on its outside; inserting the spacer fastening device with the threaded tip first from the second major surface into the insulation element; rotating simultaneously both the hollow shank and the fastening screw, so as to produce their advance towards the structural element, until the whole length of the helical thread is inserted into the insulation element; rotating the fastening screw, without rotating the hollow shank, to adjust the distance between the second major surface of the insulation element and the second side of the structural element.
E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
B25B 23/00 - Details of, or accessories for, spanners, wrenches, screwdrivers
22.
CURABLE FORMALDEHYDE-FREE RESIN DISPERSION AND IMPROVED MINERAL WOOL PRODUCTS PRODUCED THEREWITH
Curable formaldehyde-free resin dispersions for the manufacture of improved mineral fiber products such as mineral wool insulating products. The curable resins comprise an aqueous dispersion of a) a water-insoluble native starch, b) a non-polymeric polycarboxylic compound of molecular weight ≤ 400 g/mol, and c) a polyol with a molecular weight < 1000 g/mol, preferably < 500 g/mol, and optionally a polymer from unsaturated carboxylic monomers in a concentration, if present, ≤ 1 wt.-% related to the sum of the weights of the components a), b) and c).
C04B 26/28 - Polysaccharides or derivatives thereof
C03C 25/32 - Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
D04H 1/58 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
C08G 63/12 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C09J 103/02 - StarchDegradation products thereof, e.g. dextrin
The present invention relates to a new formaldehyde-free binder composition for mineral wool products, wherein the binder composition is an aqueous composition containing starch, wherein an amount of 95 weight % or more of the starch is water-insoluble native starch, and an acrylic component. The present invention also relates to the use of this formaldehyde-free binder composition in the manufacturing of mineral wool insulation products. Finally, the present invention relates to a process for manufacturing the formaldehyde-free binder composition wherein a dispersion of starch, wherein an amount of 95 weight % or more of the starch is water-insoluble native starch, is brought in contact with the acrylic component at a temperature of not higher than 40° C.
C08L 3/02 - StarchDegradation products thereof, e.g. dextrin
C04B 26/28 - Polysaccharides or derivatives thereof
C04B 26/04 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
E04B 1/74 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
C09J 133/08 - Homopolymers or copolymers of acrylic acid esters
C08L 33/08 - Homopolymers or copolymers of acrylic acid esters
A curable formaldehyde-free resin in the form of an aqueous dispersion, comprising components a), b) and c), wehrein: a) is water-insoluble native starch, b) is a polycarboxylic polymer, and c) is non-polymeric polycarboxylic acid compound, and wherein the amount of polycarboxylic polymer (b) comprised in the resin is between 2 and 45 wt.-% relative to the sum of the weights of the components a), b) and c).
The present invention relates to a new formaldehyde - free binder composition for mineral wool products., wherein the binder composition is an aqueous composition containing starch, wherein an amount of 95 weight % or more of the starch is water- insoluble native starch, and an acrylic component. The present invention also relates to the use of this formaldehyde-free binder composition in the manufacturing of mineral wool insulation products. Finally, the present invention relates to a process for manufacturing the formaldehyde-free binder composition wherein a dispersion of starch, wherein an amount of 95 weight % or more of the starch is water-insoluble native starch, is brought in contact with the acrylic component at a temperature of not higher than 40 °C.
The present invention relates to a new formaldehyde - free binder composition for mineral wool products., wherein the binder composition is an aqueous composition containing starch, wherein an amount of 95 weight % or more of the starch is water- insoluble native starch, and an acrylic component. The present invention also relates to the use of this formaldehyde-free binder composition in the manufacturing of mineral wool insulation products. Finally, the present invention relates to a process for manufacturing the formaldehyde-free binder composition wherein a dispersion of starch, wherein an amount of 95 weight % or more of the starch is water-insoluble native starch, is brought in contact with the acrylic component at a temperature of not higher than 40 °C.
C04B 26/28 - Polysaccharides or derivatives thereof
27.
PROCESS FOR THE PREPARATION OF A PHENOL-FORMALDEHYDE RESIN HAVING A LOW AMOUNT OF FREE FORMALDEHYDE, A PHENOL-FORMALDEHYDE RESIN RESULTING FROM THIS PROCESS, AND THE USE OF THIS RESIN AS A BINDER FOR MINERAL WOOL INSULATION PRODUCTS
The present invention relates to a process for reducing the content of free formaldehyde in a commercial phenol-formaldehyde resin, comprising the step of treating a phenol-formaldehyde resin with at least one phenol derivative or aniline derivative, wherein the pH of the resin is 7 or higher. The present invention further relates to a phenol-formaldehyde resin resulting from this process. The phenol-formaldehyde resin obtained by the process of the present invention may be used for the preparation of a binder composition for mineral wool products.
PROCESS FOR THE PRODUCTION OF A PHENOL-FORMALDEHYDE RESIN HAVING LOW FREE-FORMALDEHYDE CONTENT, THE PHENOL-FORMALDEHYDE RESIN RESULTING FROM THIS PROCESS, AND ITS USE AS A BINDER FOR MINERAL WOOL INSULATION PRODUCTS
The present invention relates to a method of reducing the content of free formaldehyde in phenol-formaldehyde resins, wherein this method comprises the step of treating the phenol-formaldehyde resin starting material with at least one oxidizing agent. The present invention further relates to the phenol-formaldehyde resin resulting from this process and its use as a binder in the manufacture of mineral wool insulation products of low formaldehyde emissions. The resulting phenol-formaldehyde resin has a free formaldehyde content of lower than 0.5 weight % determined according to ISO 11402; the pH is in the range of 7 to 10, the dilutability is more than 20 times in demineralized water at 20°C, the viscosity is below 100 mPa.s at 20°C, and the phenol-formaldehyde condensates, contained in the resin, consist of phenol and formaldehyde.
C03C 25/34 - Condensation polymers of aldehydes, e.g. with phenols, ureas, melamines, amides or amines
E04B 1/74 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
C08G 8/10 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
C08L 61/06 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
29.
METHOD AND DEVICE FOR PRODUCING THERMOPLASTIC PLASTICS FOAM PANELS, PANEL MANUFACTURED USING SAME METHOD AND DEVICE AND PANELS' USE
A method for producing thermoplastic plastic foam panels (30) especially extruded polystyrene panels, comprises the steps of feeding foamable plastic material for forming a plastic melt to an extruder (11) and generating a plastic melt therein, and to a nozzle (12) which is positioned downstream from the extruder (11) directing the plastic melt into separate flow channels (16, 17) inside the nozzle (12) to form individual strands, expanding the individual strands to form strands (20a, 20b) of foamed plastic material at the outlet (32) of the nozzle (12), combining, preferably under pressure, the co-extruded strands (20a, 20b) of foamed plastic material at their main surfaces (50) to form a joined strand (22) of foamed plastic material; and cutting the joined strand (22) of foamed plastic material into pieces of defined length to form the panels (30). Further, the invention relates to a device for carrying out the method and a panel as produced by such method and device, and the use of such panel for insulation purposes.
A package (10) comprises a multitude of rolls (1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d) or packages of panels (22a, 22b, 22c, 22d, 22e, 22f, 22g, 22h) of mineral wool, especially fibre glass insulating material, wherein each roll (1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d) or package of panels (22a, 22b, 22c, 22d, 22e, 22f, 22g, 22h) is held in a compressed state and a plurality of rolls (1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d) or packages of panels (22a, 22b, 22c, 22d, 22e, 22f, 22g, 22h) are grouped into one module (6), respectively and a plurality of modules (6a, 6b, c) are arranged on a support surface (9) of the package (10), the modules (6; 6a, 6b, 6c) being in a compressed state and packed in a wrapping (3) of plastic film. The package is characterized in that each module (6; 6a, 6b, 6c) is formed by at least two rows (13) of rolls (1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d) or packages of panels (22a, 22b, 22c, 22d, 22e, 22f, 22g, 22h), at least two such rows (13) being arranged on top of each other and the modules (6a, 6b, 6c) being arranged next to each other on the support surface (8) and being held together on the support surface (8), preferably packed in a further plastic film wrapping ( 9).
B65D 71/00 - Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottlesBales of material
B65D 85/16 - Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles of other shapes
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 63/02 - Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
patents
