A compound is disclosed, which together with at least one epoxy function and at least one ethylenically unsaturated function, whereby the epoxy functions may be unreacted or having been reacted with a moiety reactive toward an epoxy function, also comprises at least one sulphur-containing anionic moiety. The compound is preferably soluble or dispersible in an aqueous medium. Further disclosed are radiation curable compositions, preferably aqueous, and functional compositions made with the compound, articles coated therewith, uses of the compound in coatings and inks, and processes for the production of the compound and its derivatives.
C07D 303/38 - Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
The present invention provides for an ethylenically unsaturated hydroxyl- terminated polyurethane (I) obtained by reacting (i) at least one ethylenically unsaturated compound (A) containing at least two reactive groups capable of reacting with isocyanate groups and at least one ethylenically unsaturated group; with (ii) at least one saturated alcohol component (B) comprising: (iia) at least one saturated hydroxylated compound (B1) containing hydrophilic groups capable of rendering the polyurethane dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, and at least one compound (B2) that is selected from saturated polyester polyols (B21) and/or from saturated polycarbonate polyols (B22); and/or (iib) at least one compound (B3) that is selected from saturated polyester polyols (B31) containing compound (B1) moieties and/or from saturated polycarbonate polyols (B32) containing compound (B1) moieties; and, optionally, one or more of compounds (B1) and/or (B2); (iii) optionally, at least one ethylenically unsaturated compound (C) containing essentially one reactive group capable of reacting with isocyanate groups; and with (iv) at least one polyisocyanate (D). The present invention further relates to radiation curable coating compositions comprising same, to their preparation process and their uses.
The present invention relates to an ethylenically unsaturated hydroxyl-terminated polyurethane (I) obtained by reacting (i) at least one ethylenically unsaturated compound (A) containing at least two reactive groups capable of reacting with isocyanate groups and at least one ethylenically unsaturated group; with (ii) at least one saturated alcohol component (B) comprising: (iia) at least one saturated hydroxylated compound (B1) containing hydrophilic groups capable of rendering the polyurethane dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, and, optionally, at least one compound (B2) that is selected from saturated polyester polyols (B21) and/or from saturated polycarbonate polyols (B22); and/or (iib) at least one compound (B3) that is selected from saturated polyester polyols (B31) containing compound (B1) moieties and/or from saturated polycarbonate polyols (B32) containing compound (B1) moieties; and, optionally, one or more of compounds (B1) and/or (B2); (iii) optionally, at least one ethylenically unsaturated compound (C) containing essentially one reactive group capable of reacting with isocyanate groups; with (iv) at least one polyisocyanate (D) selected from a tetramethylxylenediisocyanate. The present invention further relates to dispersions in water containing same, to their production and uses.
The present invention relates to a process for the preparation of a radiation curable composition comprising at least one (meth)acrylic copolymer A and at least one radiation curable epoxy based compound B, said process comprising a first copolymerization step, and a subsequent esterification step.
The present invention relates to a radiation curable aqueous composition comprising at least one ethylenically unsaturated polymer (1) which is the reaction product of - a water-dispersible (meth)acrylic polymer A containing pendant hydroxyl or isocyanate groups, and containing pendant groups capable to render the polymer dispersible in aqueous medium either directly or after reaction with a neutralizing agent; - at least one ethylenically unsaturated compound B which can be radically polymerized under irradiation and which attaches to the (meth)acrylic polymer A by an urethane linkage; - and, optionally, at least one neutralizing agent C. The present invention further relates to the making and use of such radiation curable aqueous compositions.
The invention relates to amino(meth)acrylates obtained from the reaction of amines with a mixture of urethane(meth)acrylates and (meth)acrylated diluent sand their use for making coatings, adhesives, varnishes and inks. The amino(meth)acrylates of the invention are particularly suited for use in sealer compositions for parquet and laminate floors.
C07C 229/12 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings to carbon atoms of acyclic carbon skeletons
C07C 271/28 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a non-condensed six-membered aromatic ring
C08G 18/67 - Unsaturated compounds having active hydrogen
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
This invention relates to a radiation curable aqueous coating composition comprising: - from 1 to 99 % by weight, relative to the total weight of (1) and (2), of at least one radiation curable aqueously dispersed polyester resin composition (1) comprising an emulsifier D and the reaction product AC of a hydroxy functional polyester resin A and an olefinically unsaturated compound C which can be radically polymerised and which is attached to the polyester resin backbone by an ester linkage or a urethane linkage, and - from 1 to 99 % by weight, relative to the total weight of (1) and (2), of at least one other olefinically unsaturated compound (2) selected from the group of: water-dispersible compounds (21); water-soluble compounds (22); and/or water-compatible compounds (23) that have a weight average molecular weight of at least 450 Dalton and are different from the reaction product AC.
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09D 133/00 - Coating compositions 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCoating compositions based on derivatives of such polymers
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
C09D 175/00 - Coating compositions based on polyureas or polyurethanesCoating compositions based on derivatives of such polymers
A process for making highly mechanical and chemical resistant ceramic substrates comprises coating said substrates with a base coat layer of a powder coating composition comprising at least one polyester having carboxy and/or hydroxy functional groups and at least one hardener having functional groups readable with the polyester functional groups, curing the applied composition, applying a further layer of a liquid coating composition and curing it by exposure to heat. Ceramic substrates thus coated are also provided.
A process for making highly mechanical and chemical resistant ceramic substrates, especially tiles is provided, wherein the process comprises coating said substrates with a base coat layer of a thermosetting or radiation curable powder coating composition, curing the applied powder coating composition, and applying a further layer of a liquid coating composition and curing the composition by exposure to heat. Coated ceramic substrates, in particular tiles are also provided.
The invention relates to a radiation curable composition comprising at least one radiation curable (meth)acrylated oligomer having a number average molecular weight Mn of at least 1000, at least one radiation curable monomer and at least one IR shielding component comprising hexaboride particles and an organic dispersant and their use to make solar control glass laminates.
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
The present invention relates to polyesters that can be prepared from renewable resources and/or recycled materials, to their use and their production process. In particular there are provided hydroxyl-functional or carboxyl-functional polyesters comprising moieties of (e) terephthalic acid and/or isophthalic acid, (f) ethylene glycol, (g) a dianhydrohexitol, and of (h) one or more linear chain dicarboxylic acids; wherein the polyester has a number average molecular weight, as measured by gel permeation chromatography, of from 400 to 15000 daltons, more preferably from 550 to 15000 daltons. Polyesters of the invention can basically be prepared from recycled polyethylene terephthalate and from renewable polyacids and/or polyols. The present invention further provides a process to produce such polyesters via glycolysis of a polyethylene terepthalate and/or a polyethylene isophthalate with a dianhydrohexitol.
C08G 63/672 - Dicarboxylic acids and dihydroxy compounds
C08G 63/91 - Polymers modified by chemical after-treatment
C09D 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C09D 167/07 - Unsaturated polyesters having carbon-to-carbon unsaturation having terminal carbon-to-carbon unsaturated bonds
C08J 11/24 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
The present invention relates to a powder coating composition for low temperature cure which comprises a mixture of a carboxylic acid group containing first polyester; at least one of a second polyester having a glass transition temperature ≤ 45°C and/or a crystalline polycarboxylic acid; a glycidyl group containing acrylic copolymer; a further compound and/ or resin having functional groups readable with the carboxylic acid groups; and a thermosetting curing catalyst. These thermosetting powder coatings are designed for coating heat-sensitive substrates such as wood, fibre board and other materials which can not withstand the excessive heat/time conditions necessary to cure traditional coatings. The powder coatings of the invention, when cured at temperatures below 150°C, produce a finish which exhibits a high gloss, smooth surface along with an outstanding hardness and weatherability.
The present invention relates to a process for the preparation of radiation curable compositions comprising at least one radiation curable (meth)acrylic copolymer A and at least one (meth)acrylated epoxy compound B, said process comprising: - the preparation of a copolymer P by copolymerization of monomers comprising : (i) from 0.1 to 50 mole% of at least one epoxy (meth)acrylate (a1), and (ii) from 50 to 99.9 mole% of at least one other copolymerizable monomer (m) different from (a1) in the presence of at least one non-copolymerizable epoxy compound (b1) and - further reacting copolymer P thereby obtained and the non-copolymerizable epoxy compound (b1) with at least one carboxylic (meth)acrylate (a3).
The invention relates to radiation curable compositions comprising at least one radiation curable (meth)acrylic copolymer A prepared by reacting a copolymer P obtained from copolymerizing monomers comprising (i) from 10 to 50 mole % of at least one (meth)acrylate (a1) comprising a first functional group, and (ii) from 50 to 90 mole % of at least one alkyl(meth)acrylate (a2) having at least 6 carbon atoms in the alkyl chain, with at least one (meth)acrylate (a3) comprising a second functional group which can react with the first functional group of (meth)acrylate (a1), said radiation curable (meth)acrylic copolymer A having a number average molecular weight Mn of 1000 to 23000, and their use for making inks, varnishes, adhesives and coatings.
A composition comprising at least one curable compound (I) advantageously having a refractive index Formul (I) of at least 1.60 and obtained from the reaction of A at least one aromatic polyisocyanate, B at least one monofunctional alcohol or amine, C at least one further monofunctional alcohol or amine different from B, D at least one diol or diamine, and E optionally a hydroxyl group containing (meth)acrylate, the compound (I) comprising at least one curable functional group selected from the group consisting of carbon-carbon double bonds and epoxy groups.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The present invention relates to urethane (meth)acrylate resinsobtained from the reaction, in a first step, ofat least one polyisocyanate (I) with at least one compound (II) containing at least two reactive groups capable to react with isocyanate groups and at least one (meth)acrylate (III) containing essentially one reactive group capable to react with isocyanate groups, and, in a subsequent step, reacting the product obtained from the first step with at least one polyisocyanate (IV) different from the polyisocyanate (I) used in the first step, and their use for making radiation cured pressure sensitive adhesives.
The invention relates to a flame retardant composition comprising at least one polymer precursor, at least one flame retardant (A) selected from cyclic phosphonate esters responding to formula (I) and at least one flame retardant (B) selected from phosphorus derivatives different from the cyclic phosphonates of formula (I) and their use to make fire resistant glass laminates.
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
The present invention relates to an aqueous composition comprising from 5 to 90 % by weight of a polymerizable ethylenically unsaturated water dispersible polyurethane (A) and from 1 to 60 % by weight relative to the weight of polyurethane (A) of a least one polymerizable ethylenically unsaturated compound (B) having a water solubility at 25 °C of less than 50 g/l, and it use for making high gloss coatings as well as wood stains.
The invention relates to radiation-curable aqueous composition comprising a high molecular weight ethylenically unsaturated polyurethane obtained from the reaction of a polyisocyanate, at least one hydrophilic compound which is capable to render the polyurethane prepolymer dispersible in aqueous medium, an ethylenically unsaturated compound containing at least two reactive groups capable to react with isocyanate groups and an active hydrogen containing chain extender and a low molecular weight ethylenically unsaturated polyurethane end-capped with an ethylenically unsaturated compound containing essentially one reactive group capable to react with isocyanate groups.
The invention relates to a flame retardant composition comprising at least one radiation curable polymer precursor and at least one halogenated flame retardant which is soluble in the composition and their use to make fire resistant glass laminates
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
The present invention relates to aqueous radiation-curable compositions comprisingfrom 5 to 95 % by weight, relative to the total weight of (A) and (B), of at least one water-dilutable (meth)acrylated urethane (A) containing at least one polyethylene glycol segmentandat least onependant hydrophilicgroup,and from 5 to 95 % by weight, relative to the totalweight of (A) and (B), of at least one other (meth)acrylated compound (B) selected from the group of water-dispersible(meth)acrylated polyurethanes (B1), water-dilutable (meth)acrylates (B2) different from the (meth)acrylated urethane (A), and mixtures thereofand their use for making inks and overprint varnishes.
There is described a powder coating composition suitable for food contact use comprising a mix of: (A) a first polyester that is amorphous and COOH functional being obtained from IPA and/or TPA and no more than 10 mole% neopentyl glycol (NPG); (B) a second optional COOH functional polyester obtained from analiphatic diacid and analiphatic diol, and (C) a curing agent that comprises functional groups reactable with the COOH of the polyester(s). The powders are suitable for coating the interior of metal cans especially those holding alcoholic beverages.
The present invention relates to composition comprising at least one compound obtained from the reaction of at least one compound (i) having a refractive index (A) of at least 1.50 comprising at least one isocyanate-reactable functional group -XH, wherein each of X is, independently, O or NR, at least one polyisocyanate (ii), and, optionally, at least one compound (iii) comprising at least one isocyanate-reactable functional group -YH and at least one curable functional group Q, wherein each of Y is, independently, O, NR or S, and its use for making high refractive index coatings and films.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/67 - Unsaturated compounds having active hydrogen
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C08G 18/81 - Unsaturated isocyanates or isothiocyanates
The present invention is directed to a laminate composition, comprising (1) one or more thiol-functional compounds; (2) one or more oligomeric or polymeric compounds containing one or more carbon-carbon double bonds or triple bonds; and (3) one or more monomeric compounds containing or more carbon-carbon double bonds or triple bonds. The present invention is also directed to methods of producing glass and/or polymer laminates using the above composition, glass and/or polymer laminates made from the method, and machines or articles of manufacture incorporating the above laminates.
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
The present invention relates to a radiation curable composition comprising (a) from 1 to 99 % by weight of a (meth)acrylated natural oil which is the reaction product of an unsaturated natural oil with an unsaturated anhydride and a hydroxyl functional (meth)acrylate, and (b) from 1 to 99 % by weight of a (meth)acrylated oligomer and/or monomer, and optionally an inert resin and/or filler, as well as their use for making inks and coatings.
C08L 33/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
C09D 133/00 - Coating compositions 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCoating compositions based on derivatives of such polymers
C08F 265/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group
C08F 267/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated polycarboxylic acids or derivatives thereof as defined in group
C08F 289/00 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups
C08F 283/00 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass
C08L 51/08 - 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 macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
C09D 151/08 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
There is described a powder composition curable by radiation and thermally, comprising a mixture of (a) from about 1 % to about 15%, by weight of the mixture, of a polyester of Tg ≤ 40°C obtained and/or obtainable by reacting, (i) an acid component comprising (A) from about 70 to about 100 mol % of a first poly carboxylic acid; and (B) from about 0 to about 30 mol % of an optional second poly carboxylic acid different from the first poly carboxylic acid; with (ii) an alcohol component comprising (A) from about 70 to about 100 mol % of a first polyol; and (B) from about 0 to about 30 mol % of an optional second polyol different from the first polyol; and optionally with (iii) one or more glycidyl (meth)acrylate(s), hydroxy functional (meth)acrylate(s) and/or polyisocyanate(s); (b) from about 85% to about 99%, by weight of the mixture, of a copolymer comprising at least one activated unsaturated moiety (such as an acrylic copolymer); and (c) a hardener capable of reacting with the acrylic copolymer and/or the polyester when heated.
C09D 133/00 - Coating compositions 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCoating compositions based on derivatives of such polymers
C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
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
There is described a multi step mini-emulsion process for preparing a hybrid acrylic / polyurethane pressure sensitive adhesive (PSA) of very high shear strength, good peel strength and/or also high moisture vapor transmission rate, the process comprising the steps of: a) forming a first aqueous mixture comprising a hydrophilic stabilizer; b) forming separately a second oil mixture comprising: i) at least one vinyl functional polyurethane (optionally prepared from an isocyanate functional monomer; at least one monol and/or at least one α,β-ethylenically unsaturated monomer ii) optionally at least one hydrocarbon polymer (such as polystyrene); and iii) at least one α,β-ethylenically unsaturated monomer (such as (meth)acrylate or acids thereof; and/or iv) optionally at least one hydrophobic stabilizer; where components (ii), (iii) and/or (iv) may optionally be the same; c) mixing the aqueous and oil mixtures together to form a pre-(macro) emulsion; d) generating a stable mini-emulsion there-from optionally by applying high shear to form an aqueous continuous phase and stabilized oil droplets of average diameter from about 10 to about 1000 nm, and e) polymerizing the polymer precursor(s) within the droplets, optionally in the presence of a free radical initiator; to obtain a polymer latex.
There are disclosed aqueous dispersions suitable for preparing pressure sensitive adhesive (PSA) comprising (a) monomer composition of (i) at least one hydrophobic monomer (Component I), (ii) at least one hydrophilic monomer (Component II) (iii) at least one partially hydrophilic monomer (Component III) (iv) at least one a monomer of Formula 1 (other than N-vinyl- pyrrolidone) where Y denotes an electronegative group, R0 is H, OH or an optionally hydroxy subsitituted C1-10hydrocarbo, R1 is H or a C1-10hydrocarbo; R2 is a C1-10hydrocarbo group substituted by at least one activated unsaturated moiety; and A represents a divalent organo moiety attached to both the HN and Y moieties, x is an integer from 1 to 4; where the A, NH, C=O and Y moieties together represent a ring having from 4 to 8 ring atoms, and R1 and R2 are attached to any point on the ring (examples of a monomer of Formula 1 are alkyl imidazolidone (meth)acrylate) (b) at least one water-soluble or water-dispersible polymerizable surfactant (c) an average particle size of from about 50 nm to about 300 nm; (d) a pH of from about 5.5 to about 9.0. The dispersions are substantially free of trifluoroalkyl (meth)acrylate monomers. A process for making the dispersions is also described. The PSAs may be used to affix transparent labels to a container of low surface energy for a no look label which is resistant to water whitening.
There is described a process for preparing a hybrid organic inorganic nano-composite used to prepare high (nD≥1.52) refractive index (Rl) protective coatings for brightness enhancers for LCDs: the process comprising the steps of a) diluting an aqueous solution of inorganic nano-particles (such as ZrO2) with a first solvent (such as acetic acid or methyl ethyl ketone (MEK)) to form a dispersion; b) adding surface modifiers (such as 1-benzoyl acetone, diphenyl acetic acid, diphenyl phosphonic acid, ethylene methacrylate phosphate; 2,2,6,6- tetramethyl-3,5-heptanedione or neopentyl(diallyl)oxy trimethacryl zirconate); c) removing the first solvent to enhance the interactions between the surface modifier and nano- particles; d) washing the resultant slurry of surface modified lipophilic nano particles by repeated dilution with an azeotropic solvent mixture (such as ethyl acetate, toluene and water) and distillation to remove low Rl impurities and/or OH groups, e) adding a radiation curable polymer precursor (such as an optionally brominated epoxy acrylate to the mixture opt with a photo initiator (Pl); and f) removing the remaining solvent to form a solid composite comprising an intimate mixture of surface modified inorganic nano-particles and uncured polymer precursor.
C08K 9/04 - Ingredients treated with organic substances
C09C 1/00 - Treatment of specific inorganic materials other than fibrous fillers Preparation of carbon black
C09C 3/08 - Treatment with low-molecular-weight organic compounds
C09D 133/00 - Coating compositions 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCoating compositions based on derivatives of such polymers
C09D 133/08 - Homopolymers or copolymers of acrylic acid esters
C09D 133/10 - Homopolymers or copolymers of methacrylic acid esters
G02B 1/00 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements
C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
The invention relates to process for making highly mechanical and chemical resistant ceramic substrates, especially tiles, by coating said substrates with at least one layer obtained from a powder coating composition comprising a least one acrylic copolymer comprising carboxy, hydroxy and/or glycidyl functional groups and at least one hardener having functional groups reactable with the acrylic copolymers' functional groups and optionally at least one primer layer obtained from a polyester powder coating composition comprising at least one carboxy and/or hydroxy functional polyester and at least one hardener having functional groups reactable with the polyesters' functional groups.
The invention relates to process for making highly mechanical and chemical resistant ceramic substrates, especially tiles, by coating said substrates with a base coat layer of a powder coating composition comprising at least one polyester having carboxy-and/or hydroxy-functional groups and at least one hardener having functional groups reactable with the polyester functional groups, curing the applied composition and applying a further layer comprising a radiation curable resin and curing this resin by exposure to radiation.
There is described a multi step process for preparing an aqueous dispersion of heterogeneous polymer particles by mini-emulsion polymerisation, the process comprising the steps of (I) (a) forming a mixture comprising: (i) water; (ii) at least one stabiliser (such as a surfactant and a hydrophobic co-stabiliser); (iii) at least one tackifier (such as polyterpenes, rosin resins and/or hydrocarbon resins); (iv) at least one α,β-ethylenically unsaturated monomer; (b) applying high shear to the mixture from step (a) to form an essentially stable mini-emulsion comprising an aqueous continuous phase and dispersed therein stabilised droplets of average diameter from about 10 to about 1000 nm, (c) polymerising the monomer(s) within the droplets in the presence of a free radical initiator; (d) adding further monomer to the dispersed phase to form a dispersion; then: (II) using the dispersion from step (I) as a seed to form a dispersion of heterogeneous polymer particles in a subsequent emulsion polymerisation. The resultant tackified PSAs may have a core shell structure and are stable under high shear.
C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
C08F 265/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of esters
C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
C08F 257/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group on to polymers of styrene or alkyl-substituted styrenes
C08L 51/00 - 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
C09D 151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers
C09J 151/00 - Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers
Polymers are described that are prepared from di and mono-functional silicone and silane monomers of Formula 1 in which Y represents a direct bond or a oxy group; R1 represents an optionally substituted organo group with at least one double bond which optionally may be an activated unsaturated moiety such as a (meth) acrylate group: for example 1-n-propoxy(acrylate) or ethenyl; and R2 and R3 each separately, and independently within each optional repeat unit, represent an optionally substituted hydrocarbo, hydrocarbo(oxy), hydrosilico and/or hydrosilico(oxy) groups; or example, methyl; or trimethylsiloxy; R4 independently represents an optionally subsitituted organo group with at least one double bond (such as R1 above) an optionally subsitituted hydrocarbo, and/or hydrosilico group for example trimethylsilyl or ethenyl; and n is from about 0 to about 2000; preferably from about 1 to about 100, for example n is 1. Such polymer precursors can be used to prepare flow modifying agents, defoamers and/or pressure sensitive adhesives.
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C09D 131/02 - Homopolymers or copolymers of esters of monocarboxylic acids
C09D 143/04 - Homopolymers or copolymers of monomers containing silicon
B01D 19/04 - Foam dispersion or prevention by addition of chemical substances
C09J 133/04 - Homopolymers or copolymers of esters
C09J 143/04 - Homopolymers or copolymers of monomers containing silicon
There is described an aqueous dispersion suitable for preparing a pressure sensitive adhesive (PSA) free of alkyl phenol ethoxylates (APE) about which there are environmental concerns in some countries. The dispersion comprises: (a) a monomer composition comprising: at least one hydrophobic monomer (Component I) (such as butyl acrylate), at least one hydrophilic monomer (Component II) (such as acrylic acid) and at least one partially hydrophilic monomer (Component III) (such as methyl methacrylate and/or vinyl acrylate) with at least one water-soluble or water-dispersible anionic surfactant of Formula R1(R2O)nA where R1 denotes a hydrocarbo group (for example C12-18alkyl), R2O denotes independently in each repeat unit a hydrocarbyloxy group, preferably ethoxy, A is an anionic substituent preferably sulfo, and n is from 1 to 8, preferably 2 to 6. An exemplified ꡞ anionic surfactant is Rhodapex EST 30 a sodium fatty alcohol ether sulfate, (3 EO, tridecyl). Preferably the anionic surfactant is used in combination with a non-ionic ꡞ surfactant, such as Abex 2535 a fatty alcohol ether (40 EO).
C08F 220/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
C09J 133/00 - 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofAdhesives based on derivatives of such polymers
C09J 125/04 - Homopolymers or copolymers of styrene
The invention relates to amino(meth)acrylates obtained from the reaction of amines with a mixture of epoxy(meth)acrylates and (meth)acrylated diluent and there use for making flexible varnishes, coatings, adhesives and inks.
C07C 213/04 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reaction of ammonia or amines with olefin oxides or halohydrins
C07C 215/20 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated the carbon skeleton being saturated and containing rings
C07C 67/28 - Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group
C07C 69/28 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with dihydroxylic compounds
G03F 7/027 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
PSAs having high shear stability are disclosed. The PSAs are obtained from an aqueous dispersion comprising an effective amount of surfactant mixture comprising at least one ionic surfactant comprising a plurality, preferably at least three, aromatic rings, at least one electronegative substituent selected from a mono valent oxy substituted sulfo anion, and/or a mono valent oxy substituted phospho anion, and optionally at least one substituent comprising one or more repeating alkoxy units (e.g. Soprophor 4D 384 and/or DPOS-45), and at least one non-ionic surfactant (e.g. Abex 2535) and a monomer composition comprising: at least one hydrophobic monomer (Component I), at least one hydrophilic monomer (Component II) at least one partially hydrophilic monomer (Component III). The dispersion forms PSAs which are sufficiently stable under high shear to be curtain coatable.
PSAs having enhanced resistance to water-whitening and high shear stability are disclosed. The PSAs are obtained from an aqueous dispersion comprising an effective amount of surfactant mixture comprising at least one ionic surfactant comprising a plurality, preferably at least three, aromatic rings, at least one electronegative substituent selected from a mono valent oxy substituted sulfo anion, and/or a mono valent oxy substituted phospho anion, and at least one substituent comprising one or more repeating alkoxy units (e.g. Soprophor 4D 384), and at least one non-ionic surfactant (e.g. Abex 2535) and a further non aromatic ionic surfactant (e.g. Aerosol OT 75); and a monomer composition comprising: at least one hydrophobic monomer (Component I), at least one hydrophilic monomer (Component II) at least one partially hydrophilic monomer (Component III) and optionally at least one a ureido monomer (e.g. Norsocryl 102) (Component IV). The dispersion has an average particle size of from about 100 nm to about 400 nm and a pH of from about 5.5 to about 9.0. The latex forms PSAs which have good water whitening resistance and is sufficiently stable under high shear to be curtain coatable.
C09D 133/00 - Coating compositions 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCoating compositions based on derivatives of such polymers
The invention relates to radiation-curable aqueous composition comprising an (meth)acrylated polyurethane pre-polymer obtained from the reaction of a polyisocyanate, optionally a polyol, at least one hydrophilic compound containing at least one reactive group capable to react with isocyanate groups and which is capable to render the polyurethane pre-polymer dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, an (meth)acrylated compound containing at least two reactive groups capable to react with isocyanate groups and an (meth)acrylated compound containing essentially one reactive group capable to react with isocyanate groups, said composition comprising an amount of (meth)acrylated and polymerizable ethylenically unsaturated groups of at least 3 meq per g.
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
Radiation curable compositions comprising at least one radiation curable oligomer obtained from the reaction of one or more carboxyl functional polyester (a) having a glass transition temperature TG and/or melting temperature Tm of less than 30 °C, with (b1) one or more (meth)acrylated mono-epoxide, and/or (b2) one or more polyepoxide and one or more &agr;, &bgr; unsaturated carboxylic acid.
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
C09D 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C09D 167/06 - Unsaturated polyesters having carbon-to-carbon unsaturation
C08G 63/47 - Polyesters chemically modified by esterification by unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
C08G 63/91 - Polymers modified by chemical after-treatment
There is described a removable pressure sensitive adhesive (PSA) composition suitable for applying to protective film used to cover sensitive substrates (such as glass or LCD displays in mobile phones and the like), the PSA comprising: i) 70 to 90% w/w 5 of a hydroxyl functionalized acrylic polymer (such as 2-ethylhexyl acrylate (EHA), n-butyl acrylate (BA), hydroxy ethyl acrylate (HEA) and hydroxy ethyl methacrylate (HEMA); ii) 10 to 30% w/w of a polyether polyol (such as polypropylene glycol (PPG) and/or polyethylene glycol (PEG)); and iii) 2 to 10% of a polyfunctional isocyanate (such as poly diphenylmethane di-isocyanates (MDI) and/or poly toluene di-isocyanates (TDI). Components i), ii) iii) can be mixed together in the same vessel at room temperature: The PSAs have good removability (ultra low peel) and also good wetability.
Radiation curable compositions comprising at least one radiation curable oligomer responding to a structure (C)-(B)-(A)-⏧(B)(C)]x wherein (A) is the residue of one or more hydroxyl functional polyester having a molecular weight MN higher than 900, a TG and/or Tm of 5 less than 30 °C, and which is obtained from an acid constituent comprising at least 75 mole % of saturated aliphatic polyacid and, optionally, 0 to 25 mole % of another polyacid and an alcohol constituent, (B) is the residue of one or more polyisocyanate, (C) is the residue of one or more ethylenically unsaturated hydroxyl compound, and x is from 0.5 to 10.
There are disclosed urethane acrylates of Formula (1) : where R1a, R1b and R1c each independently represent C2-15hydrocarbylene, preferably linear C3-12alkylene (such as , C4-8alkylene; e.g. hexylene); a isophorone unit and/or a tolyl unit. R2a, R2b and R2c each independently represent: a divalent moiety of Formula (2) where X and Y independently represent C2-10hydrocarbylene, preferably C2-8alkylene; and k is from O to 30; I is from O to 30; and 'k + I' is from 1 to 30; and/or a divalent moiety of Formula (3) where V and W independently represent C2-10hydrocarbylene, preferably C2-8alkylene; and i is from 0 to 30; j is from 0 to 30; and 'i + j' is from 1 to 30; p is from 1 to 10; and r is from 1 to 10; and R3a R3b and R3c each independently represent H or methyl (i.e. R3 forms respectively part of an acrylate or a methacrylate group); with the provisos that at least one of R2a, R2b and R2c is a moiety of Formula (2); at least one of R2a, R2b and R2c is a moiety of Formula (3); and when R2 represents a divalent moiety of Formula (3), the sub moiety within Formula (3), is attached directly to the amide group in Formula (1). The UAs of Formula (1) are of non crystalline and of low viscosity and are suitable for preparing polymeric flexibilizers suitable for tenting applications. A process for preparing these urethane acrylate is also described.
There is disclosed a polymer (Polymer P) which is obtained and/or is obtainable from a monomer composition comprising (a) from about 5% to about 95% by weight of at least one C2-12alkyl acrylate; (b) from about 2.5% to about 60% by weight of at least one polymer precursor selected from the group consisting of: C1-30 alkyl (meth)acrylates, C2-30 vinyl aromatic compounds, C2-30 vinyl halides, C2-30 vinyl nitriles, C2-30 vinyl esters of carboxylic acids and mixtures thereof; with the provisos that (i) the homopolymers of each of said polymer precursor(s) have a Tg above about -25°C; and (ii) each of said polymer precursor(s) comprises other than a functional group selected from the group consisting of: hydroxy, carboxy, acid anhydride, nitro, epoxy and amino ;(c) from about 0.1 % to about 2% by weight of at least one polymer precursor comprising at least one activated unsaturated moiety (conveniently ethylenically unsaturated monomer) having at least one carboxy and/or acid anhydride group(s); and (d) optionally up to about 60% by weight of at least one further optionally substituted polymer precursor comprising at least one activated unsaturated moiety (conveniently ethylenically unsaturated monomer) where the further optional substituent(s) are other than carboxy and/or acid anhydride group(s) where each of the constituents 'a', 'b' and 'c' and optionally constituent 'd' are different from each other with the additional proviso that Polymer P was obtained and/or is obtainable by polymerisation of the each of the constituents 'a', 'b' and 'c' and optionally constituent 'd' in the presence of a water soluble initiator in an amount above about 0.35% and optionally up to about 2% by weight of the total monomer composition.
C09J 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
There is disclosed a curable PSA made by a solventless single stage polymerisation of the following materials: from about 10% to about 80% by weight of at least one polyol which has molecular weight at least 1000 daltons; from about 0.5% to about 20% at least one poly-isocyanate(s) from about 0.1% to about 10%, by weight of at least one hydroxyl (meth)acrylate(s); from about 10% to about 80% by weight of one or more tackifier resins.
The invention relates to low extractable coatings, varnishes, adhesives or inks obtained with a radiation curable composition comprising amino(meth)acrylates obtained from the reaction of a primary and/or secondary amine (A) with a (methjacrylated ethoxylated and/or propoxylated polyol (B) having a degree of alkoxylation of at least 4.
The invention relates to thermosetting powder compositions which give coatings proving remarkable weatherability, excellent mechanical properties and an outstanding flow containing a binder which comprises a mixture of amorphous polyesters (A) containing from 50 to 100 mol % of isophthalic acid and from 70 to 100 mol % of neopentyl glycol, and (B) which comprises from 75 to 100 mol % of at least one straight-chain saturated di-carboxylic aliphatic acid having from 4 to 14 carbon atoms and from 75 to 100 mol % of at least one branched chain aliphatic diol.
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
A radiation curable composition comprising a (meth)acrylated polyester having unsaturated (meth)acrylic groups on the molecules, responding to formula (I) or formula (II) wherein each D, independently, represents ethylene or propylene, x, y is an integer from (1) to (50), each A, independently, represent hydrogen, alkyl, alkenyl, with the proviso that adjacent A' s can be linked together to form a cycle, each B, independently, represents an alkylene or alkenylene chain, optionally comprising one or more ether bridges, each R, independently, represents hydrogen or methyl.
UV curable urethane (meth)acrylate polymers of Formula (1), where: R1 and R’ are each independently hydrogen or C1-20hydrocarbo, R2, R'2, R3 and R4 are each independently optionally substituted divalent organo group, and p is an integer from about 6 to about 100 which are useful as laminating and/or pressure sensitive adhesives are disclosed as is methods of making them. The oligomers/polymers comprise a urethane extended backbone formed by reacting diisocyanates with polyols derived from rubber oligomers/polymers.
C08G 18/67 - Unsaturated compounds having active hydrogen
C08F 299/06 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes
patents