Abstract: Embodiments of the present invention relate to aqueous coating compositions and to methods for improving the freeze/thaw stability of aqueous coating compositions. In one aspect, an aqueous coating composition comprises an aqueous polymeric dispersion and a compound according to Formula (1) as described herein.

Abstract: Provided are a coating material that is for undercoating for a thin inorganic film, has excellent adhesiveness to various base materials, and produces no appearance change or no peeling off even under high-temperature conditions, and an acrylic-modified alkyd resin as a raw material for such a coating material. The acrylic-modified alkyd resin includes a copolymer including as essential components: an alkyd resin (A) having an unsaturated bond in a molecular structure; and a polymerizable monomer (B) having an unsaturated bond in a molecular structure. Also provided are a curable composition, a coating material for undercoating for a thin inorganic film, and a molded body including an undercoat layer including the coating material for undercoating for a thin inorganic film.

Abstract: The present invention relates to compositions comprising eugenol polyethers and/or eugenol polyethers modified with siloxanes, and to the use of eugenol polyethers in polyether siloxanes based on these eugenol polyethers as wetting agents.

Abstract: The present invention relates to new carboxy-functional polyester and diester derivatives preparable by ring-opening reaction of (A) at least one anhydride of the formula (I) where R1?H, C1 to C24 alkyl, or C2 to C24 alkenyl with (B) at least one hydroxy-functional component, where (B1) the polyester derivatives are prepared using at least one linear hydroxy-functional polyester prepared using 7 to 95 mol %, based on the total amount of the monomers used in preparing the polyester (B1), of at least one difunctional monomer (b1) with aliphatic groups with 12 to 70 carbon atoms between the functional groups, and (B2) the diester derivatives are prepared using at least one dihydroxy-functional component which has an aliphatic group with 12 to 70 carbon atoms between the hydroxyl groups. The present invention further relates to aqueous compositions comprising at least one such polyester derivative and/or diester derivative, and water.

Abstract: A coating composition having a solids content of greater than 70% by weight and/or a Volatile Organic Content (VOC) of less than 250 g/l, comprising a novel polyester polyol and a curing agent, wherein the coating composition is capable of curing at ambient temperature, and which provides a coating having excellent durability.

Abstract: The first objective of the present invention is to provide an aqueous paint composition that can form a paint film with excellent smoothness, image clarity, adhesion and water resistance. This aqueous paint is characterized in comprising (A) an aqueous dispersion of an acrylic modified polyester resin, (B) a block polyisocyanate compound having a nonionic hydrophilic group, and (C) an aqueous dispersion of acrylic polymer fine particles.

Abstract: A method of forming a multilayer coating film with smoothness, distinct image, adhesion and water resistance when a plurality of uncured coating films are cured at once, and especially when cured at low temperature. The method includes the following steps 1-1 to 1-4: step 1-1: coating an article with a primer coating composition (X) and forming an uncured primer coating film on the article, step 1-2: a coating the article having the uncured primer coating film with an aqueous colored coating composition (Y1) for a base coat, to form an uncured base coat film thereover, step 1-3: coating the article having the uncured primer coating film and uncured base coat film, with a clear coating composition (Z), and forming an uncured clear coating film thereover, and step 1-4: a curing the uncured primer coating film, the uncured base coat coating film and the uncured clear coating film by heating.

Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, capable of achieving excellent curability under low-temperature, short-time conditions, and forming a multilayer coating film having excellent chipping resistance and an excellent finished appearance. This method comprises sequentially applying an aqueous first colored coating composition (X), an aqueous second colored coating composition (Y), and a clear coating composition (Z) to a substrate, and simultaneously bake-curing the resulting multilayer coating film. In this method, the aqueous first colored coating composition (X) comprises an aqueous film-forming resin (A) and a specific blocked polyisocyanate compound (B), and the clear coating composition (Z) comprises a hydroxy-containing acrylic resin (K) having a hydroxy value in a specific range, a polyisocyanate compound (L), and an organometallic catalyst (M) containing a metal compound (M1) selected from a specific range and an amidine compound (M2).

Abstract: A composition for protecting a surface of an inorganic substrate, such as concrete, terrazzo, or ceramic tile, includes a silicate (i.e., an alkali metal polysilicate or a colloidal silica), a siliconate (e.g., a metal siliconate, such as an alkali metal methyl siliconate, etc.), acrylic latex, a silane coupling agent, and a solvent, such as ethylene glycol monobutyl ether. Inorganic substrates, such as concrete, stone, and ceramic materials, with such a composition on their surfaces are also disclosed, as are methods for polishing and protecting inorganic substrates.

Abstract: A powder coated roving material for making structural parts is provided. The powder coated roving includes a bundle of fibers at least substantially coated with a powder coating material. The bundle is formed of a plurality of inner fibers and a plurality of outer fibers surrounding the inner fibers. The size composition maintains the fibers in a bundled orientation during processing and releases the fibers during molding. The size composition includes an epoxy resin emulsion containing at least one surfactant and a solid epoxy resin having an epoxy equivalent weight from about 450 to about 950, at least one epoxy silane coupling agent, at least one non-ionic lubricant, at least one cationic lubricant, and at least one organic acid. In addition, the size composition may have an acetone solubility from about 30% to about 75%. A method of making a composite roving is also provided.

Abstract: Aqueous liquid and moisture vapor are added to water absorbent resin powder so that particles of the water absorbent resin powder are bound. Supplying the aqueous liquid and moisture vapor to the water absorbent resin powder reduces the amount of particles that remain unbound (ungranulated) and increases the concentration of the water absorbent resin bound particles to provide improved drying efficiency and to obtain particulate water absorbent resin having excellent properties even when the bound particles are highly concentrated. The present invention provides (i) a method for binding water absorbent resin and (ii) a method for producing particulate water absorbent resin including the step of binding particles of water absorbent resin powder.

Abstract: A sulfopolyester containing residues of 2,2,4,4-tetralkylcyclobutane-1,3-diol such as 2,2,4,4-tetramethylcyclobutane-1,3-diol is highly dispersible in water. This allows one to reduce the content of sulfonate groups or reduce the amount of ethylene glycol or other hydrophilic glycols to retain good water resistance in cured coatings. The sulfopolyester may also be a reaction product of a 2,2,4,4-tetralkylcyclobutane-1,3-diol along with 1,4-cyclohexanedimethanol, neopentyl glycol, or a mixture thereof with an acid component. Coating compositions may also contain these sulfopolyesters along with water and a polymer resin.

Abstract: The invention provides water-based paint compositions capable of forming coating film of excellent smoothness, distinctness of image, water resistance and chipping resistance, which comprise aqueous film-forming resin, curing agent and crosslinked resin particles having a core/shell type multilayer structure composed of the core part of a (co)polymer obtained by (co)polymerizing a monomer component comprising 30-100 mass % of polymerizable unsaturated monomer having C4-22 alkyl group and 0-70 mass % of other polymerizable unsaturated monomer, and the shell part having a crosslinked structure.

Abstract: The invention relates to a graft copolymer latex comprising the which comprises a graft copolymer ABC of at least one olefinically unsaturated monomer C and at least one modified alkyd resin A2B or modified oil A1B which modified alkyd resin A2B or modified oil A1B have chain-pendant olefinically unsaturated groups, to a process for its preparation, and the use thereof a binder in coating compositions.

Abstract: Disclosed is a process for preparing a non-transparent microvoided axially stretched film including i) mixing a linear polyester having monomer components consisting essentially of an aromatic dicarboxylic acid, an aliphatic diol and optionally an aliphatic dicarboxylic acid, a non-crosslinked random SAN-polymer and one or more additional ingredients to produce a mixture, ii) forming the mixture produced in step i) in a thick film followed by quenching; iii) stretching the thick film at a temperature between the glass transition temperature of the SAN-polymer and the glass transition temperature of said linear polyester to at least twice the initial length, and (iv) further stretching the film at an angle substantially 90° to the previous stretching process to at least twice the initial length and at 90° C. or below.

Abstract: The invention provides aqueous resin emulsion containing a resin obtained by reaction of a composition containing at least: at least one polyhydric alcohol having at least two hydroxyl groups, at least one polyetherpolyol having a molecular weight of 400 to 8000 g/mol, at least one monobasic carboxylic acid, and at least one polybasic carboxylic acid having at least two carboxyl groups or its anhydride, to form a resin and the resin emulsion is modified by providing basic groups. The invention further relates to a process for preparing a resin, to a resin as obtained by the process and to a coating film obtained from the resin emulsion.

Abstract: Coating composition comprising an oxidatively drying binder, such as an alkyd, and a reactive diluent. The diluent is an ester of malonic acid and an unsaturated mono-alcohol, e.g., geraniol, farnesol, citronellol and/or nerol.

Abstract: An aqueous dispersion comprising a reaction product of trimellitic anhydride and a polyol, wherein the molar ratio of trimellitic anhydride to polyol in the reaction product ranges from 1:2 to 1:4, and wherein the reaction product is further reacted with an anhydride to form another reaction product. A method of making a resin comprising the reaction product described above is also disclosed.

Abstract: A polyester resin emulsion includes crosslinked polyester resin in an emulsion medium, the crosslinked polyester resin having a degree of crosslinking of from about 0.1 percent to about 100 percent. The emulsion can be formed by solvent flashing a mixture of a polyester resin, an initiator, a solvent, and an emulsion medium, wherein the crosslinked polyester resin has a degree of crosslinking of from about 0.1 percent to about 100 percent.

Abstract: The present invention discloses a thermosetting aqueous paint, comprising an oligomer (A-1), having a specific acid value, hydroxyl value and number average molecular weight, and obtained by reacting a compound having at least one hydroxyl group and at least one carboxyl group in a molecule thereof, a monoepoxide compound having a long-chain hydrocarbon group, and as necessary, a polyvalent carboxylic acid and/or polyvalent carboxylic acid anhydride, and/or a polyester resin (A-2) obtained by further reacting a polyvalent carboxylic acid and/or a polyvalent carboxylic acid anhydride and/or a polyisocyanate compound with the oligomer, and a crosslinking agent (B); and also discloses a method for forming a paint film using this paint.

Abstract: A powder coated roving material for making structural parts is provided. The powder coated roving includes a bundle of fibers at least substantially coated with a powder coating material. The bundle is formed of a plurality of inner fibers and a plurality of outer fibers surrounding the inner fibers. The size composition maintains the fibers in a bundled orientation during processing and releases the fibers during molding. The size composition includes an epoxy resin emulsion containing at least one surfactant and a solid epoxy resin having an epoxy equivalent weight from about 450 to about 950, at least one epoxy silane coupling agent, at least one non-ionic lubricant, at least one cationic lubricant, and at least one organic acid. In addition, the size composition may have an acetone solubility from about 30% to about 75%. A method of making a composite roving is also provided.

Abstract: The present invention relates to an aqueous binder composition comprising (a) at least one emulsion polymer comprising as monomer units a C1-C8 alkyl (meth)acrylate, a vinylaromatic compound having up to 20 carbon atoms or mixtures thereof, (b) at least one water-soluble alkyd resin having a weight-average molecular weight of between 5000 and 40 000 Da, and (c) at least one alkyd resin having a weight-average molecular weight of more than 100 000 Da in the form of an aqueous emulsion, wherein the solids content of the mixture of (a), (b), and (c) is less than 60% by weight, and also to their use and preparation.

Abstract: A process for preparing an acrylic-modified alkyd resin comprising the steps of: d) preparing a sulfonated alkyd resin product; e) preparing an acrylated fatty acid product; and f) reacting the product of step a) and the product of step b) under appropriate polymerization conditions, and for preparing a waterbome composition on the basis thereof as well as products obtainable by those processes.

Abstract: The overall performance of water-reducible polymer dispersions, more specifically alkyd dispersions, can be substantially improved by utilizing resins derived from acidolysis reaction products of polyalkylene terephthalates and polyalkylene naphthalates. According to this invention, polymer dispersions can be produced from low acid value polymers and yet have good water dispersibility. When an aqueous coating composition is formulated using the dispersion of this invention, a final coating is formed that has good hydrolytic stability, and when blended with a latex, exhibits improved gloss and wet adhesion.

Abstract: An aqueous dispersion has an addition polymer (B) formed in situ on a sulfopolyester (A). The sulfopolyester (A) is formed as a polycondensation product of first and second reaction mixtures. The first reaction mixture includes at least about 70 mol. % of terephthalic acid or an ester thereof, and about 4–20 mol. % of a difunctional ester forming sulfomonomer containing at least one metal sulfonate group attached to an aromatic nucleus, wherein the functional groups are selected from the group consisting of hydroxyls, carboxyls and alkyl esters. The second reaction mixture includes at least two different glycols, at least about 20 mol. % of the second reaction mixture being ethylene glycol. The addition polymer (B) is formed in situ on the sulfopolyester (B) by polymerizing styrene monomer.

Abstract: The present invention provides production processes of aqueous alkyd resin dispersions, said processes comprising a step of synthesizing alkyd resin by dissolving polyester resin whose chief component is terephthalic acid and which has been recovered from waste materials and regenerated, in a mixture of an alcoholic component, fatty acid and/or oil and fat, and polybasic acid component, said alcoholic component containing tri- or lower polyhydric alcohol and tetra- or higher hydric alcohol at a weight ratio of the former/latter within a range of 0-20, to effect depolymerizaiton and concurrently, esterification reaction; if necessary a step of introducing acid radicals into the resin; and a step of neutralizing and/or dispersing with use of surfactant, the so obtained alkyd resin in water. According to the processes of the present invention, aqueous alkyd resin dispersions can be prepared within a short time, using polyester resin which has been recovered from waste materials and regenerated.

Abstract: A hydrophilic or hydrophobic polyurethane having at least one olefinically unsaturated group selected from the group consisting of pendant olefinically unsaturated groups, terminal olefinically unsaturated groups, and mixtures thereo wherein the pendant olefinically unsaturated groups are sele consisting of pendant olefinically unsaturated groups which are attached to a cycloaliphatic group which represents a link in the polymer main chain and pendant olefinically unsaturated groups which are present as a double bond in a cycloolefinic group which constitutes a link in the polymer main chain, and the terminal olefinically unsaturated groups are selected from the group consisting of terminal olefinically unsaturated groups which are attached to a cycloaliphatic group which forms an endgroup of the polymer main chain and terminal olefinically unsaturated groups which are present as a double bond in a cycloolefinic structure which forms en endgroup of the polymer main chain.

Abstract: A thermosetting water-based resin composition comprising an oil-soluble initiator of which a temperature for one-minute half-life is from 90° to 270 ° C. and a polycondensation resin comprising an unsaturated dicarboxylic acid having a radical-polymerizable unsaturated bond or an acid anhydride thereof as at least one constituent monomer, wherein the polycondensation resin has an acid value of from 3 to 100 mg KOH/g, and wherein said oil-soluble initiator is present in said polycondensation resin; a process for preparing the thermosetting water-based resin composition; a molding compound composition comprising the water-based resin composition; and a molding product prepared by molding the molding compound composition.

Abstract: The present invention relates to stable aqueous polymer dispersions and a process for their preparation. The aqueous dispersions of the invention have less than about 5 weight percent organic solvent, at least about 30 weight percent solids, a mean particle size of not more than about 400 nm, and a viscosity of less than about 20.0 poise at about ambient temperature.

Abstract: A polyurethane comprising lateral and/or terminal ethenylarylene groups produced by reacting a polyurethane prepolymer containing free isocyanate groups with an adduct obtained by reacting an ethenylarylene monoisocyanate with a polyol, polyamine, and/or a compound containing hydroxyl and amino groups in a molar ratio of 1:1. Also, a graft copolymer comprising a hydrophobic core comprising at least one monomer and a hydrophilic shell comprising the polyurethane, or a hydrophobic core comprising the polyurethane and a hydrophilic shell that comprises at least one monomer. Also, a graft copolymer comprising a hydrophobic core comprising at least one monomer and a hydrophilic shell comprising a polyurethane produced by dispersing at least one hydrophilic olefinic unsaturated polyurethane comprising lateral, and optionally terminal, ethenylarylene groups in an aqueous medium and copolymerizing at least one hydrophobic monomer in the polyurethane in emulsion.

Abstract: This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant.

Abstract: The present invention provides production processes of aqueous alkyd resin dispersions, said processes comprising a step of synthesizing alkyd resin by dissolving polyester resin whose chief component is terephthalic acid and which has been recovered from waste materials and regenerated, in a mixture of an alcoholic component, fatty acid and/or oil and fat, and polybasic acid component, said alcoholic component containing tri- or lower polyhydric alcohol and tetra- or higher hydric alcohol at a weight ratio of the former/latter within a range of 0-20, to effect depolymerizaiton and concurrently, esterification reaction; if necessary a step of introducing acid radicals into the resin; and a step of neutralizing and/or dispersing with use of surfactant, the so obtained alkyd resin in water. According to the processes of the present invention, aqueous alkyd resin dispersions can be prepared within a short time, using polyester resin which has been recovered from waste materials and regenerated.

Abstract: The present invention relates to surfactantless latex compositions. More particularly, the present invention pertains to surfactantless latex compositions comprising sulfo-polyester polymers wherein the compositions have a continuous phase comprising water, diol, polyol or a mixture thereof. Still further, the present invention provides methods of making polymer blends comprising a condensation polymer and a latex polymer whereby the latex polymer is derived from a surfactantless latex composition comprising sulfo-polyester polymers. Polymer blends made by such methods are also provided.

Abstract: An efficient method is provided for producing water based coating compositions that are capable of forming highly scratch and abrasion resistant matte coatings in which crosslinked silicone particles are well dispersed. The method involves addition to a water based coating composition of a waterborne suspension of crosslinked silicone particles having an average diameter of 0.1-200 &mgr;m. The method is characterized in that the suspension is a waterborne crosslinked silicone particle suspension provided by effecting crosslinking of a condensation reaction crosslinkable silicone composition comprising (A) an organopolysiloxane containing at least two silanol groups in each molecule, (B) a crosslinker, and (C) a condensation reaction catalyst. The crosslinking is effected in the emulsified composition in an aqueous solution of an anionic surfactant.

Abstract: Water base coating material compositions form coating films of superior flat finish properties. They contain silicone particles with at least two kinds of different average particle size. According to the method of making the composition, a water base coating material composition can be formed by adding an aqueous suspension of silicone particles to a water base coating material composition where the aqueous suspension contains at least two kinds of silicone particles with different average particle size.

Abstract: A distinctive graft copolymer is made by dissolving an unsaturated polyester resin in various vinyl monomers (methyl methacrylate, styrene, etc.). The monomer/unsaturated polyester solution is then miniemulsion polymerized to form a latex consisting of submicron particles of polymer with the polyester grafted onto the polymer backbone. The latex can be applied to a substrate, which on drying forms a polymeric film with good film properties. The latex can be used in a latex paint formulation in place of an acrylate, acetate or styrene-divinyl benzene latex. In this way it is possible to produce water-borne unsaturated polyester coatings which combine the film hardness properties of an unsaturated polyester coating with easy application and cleanup. The coating will beneficially lack organic solvent exposure of typical polyester coatings.

Abstract: An aqueous coating composition comprising a mixture of 90 to 99 wt. % of a filmforming binder composition comprising an alkali non-swellable core-shell addition polymer dispersion (I), and 1-10 wt. % of a rheology modifying addition polymer dispersion (II). It is required that the total amount of (meth)acrylic acid in 100 parts of the total addition polymer (I) is less than 1.75 wt. %. The aqueous coating composition of the present invention can be advantageously used as a base coat in a base coat/clear coat system. This use shows a decrease in strike-in effect compared to previous known base coat/clear coat systems.

Abstract: The present invention relates to a binder composition including a polymer formed from at least one vinyl type monomer and at least one water dispersible polyester-ionomer.

Abstract: A binder for a coating composition is obtainable as the reaction product of a carboxyl-terminated fatty acid ester with an ethylenically unsaturated carboxylic acid and an ethylenically unsaturated carboxylic acid ester. The carboxylic fatty acid ester is produced by reaction of an autoxidisable fatty acid and a polyol, with modification to introduce at least one terminal carboxyl group. The reaction is optionally effected in an organic solvent which is substantially removed at the end. The material is neutralized with a base to render it water-soluble. Thixotropy can be endowed by an amine/(poly)isocyanate final reaction stage to prior neutralization.

Abstract: An aqueous coating composition is provided which includes crosslinkable film-forming resin and about 0.01 to about 25 weight percent on a basis of total resin solids of an amphiphilic adjuvant having an acid value of less than 30, a water-soluble polar end including at least one terminal hydroxyl group and a water-insoluble hydrocarbon end including at least seven contiguous carbon atoms. The coating composition is useful as a monocoat or primer, basecoat or clearcoat in a multi-component composite coating composition for automotive applications.

Abstract: A method of preparing an electrophotographic binder polymer comprising the steps of: a) mixing together at least one vinyl type monomer and at least one polyester ionomer in an aqueous medium; and b) emulsion polymerizing the mixture from step a) to form polymeric latex particles.

Abstract: A waterborne coating composition having a crosslinking agent and a dispersion of polymeric microparticles in an aqueous medium wherein the microparticles are prepared by first forming a mixture in the aqueous medium of ethylenically unsaturated monomers and a substantially hydrophobic, saturated fatty acid-containing polyester. The amount of fatty acid used to prepare the polyester ranges from about 20 to 80 weight percent of the total weight of the fatty acid-containing polyester. The fatty acid-containing polyester contains functional groups which are capable of reacting with the crosslinking agent. The mixture is particularized into microparticles by high stress techniques, followed by polymerization of polymerizable species within the microparticles to produce the polymeric microparticles. The amount of the fatty acid-containing polyester in the dispersion is at least 10 and up to 70 weight percent based on weight of the ethylenically unsaturated monomers and fatty acid-containing polyester.

Abstract: The present invention relates to stable aqueous polymer dispersions and a process for their preparation. The aqueous dispersions of the invention have less than about 2 weight percent organic solvent, at least about 30 weight percent solids, a mean particle size of not more than about 300 nm, and a viscosity of less than about 20.0 poise at about ambient temperature.

Abstract: A water-based latex of an acrylic-modified waterborne alkyd dispersion in water is described. The acrylic-modified waterborne alkyd is a hybrid resin prepared by the polymerization of at least one ethylenically unsaturated monomer in the presence of a waterborne alkyd having at least one pendant sulfonate functionality. The ethylenically unsaturated monomer may also be a latent oxidatively functional (LOF) acrylic monomer. Preparation of the latexes may be achieved by emulsion polymerization of at least one ethylenically unsaturated monomer in the presence of a waterborne alkyd having at least one pendant sulfonate functionality. Preparation of hybrid latexes which contain latent oxidative functional (LOF) acrylic monomers may also be achieved by emulsion polymerization of at least one LOF acrylic monomer in the presence of a waterborne alkyd having at least one pendant sulfonate functionality whereby the latent oxidative functionality of the acrylic polymer survives polymerization.

Abstract: The invention provides a process for preparing a water dispersed polymer blend, comprising the steps of: (I) mixing (a) water; (b) at least one ethylenically unsaturated monomer; (c) at least one branched water-dispersible sulfopolymer; and (II) polymerizing the ethylenically unsaturated monomer within the mixture to provide the water dispersed polymer blend.

Abstract: The present invention provides an aqueous polymer dispersion which is advantageous in that the coating film as formed therefrom has excellent heat resistance even after being preserved at high temperature, and further has excellent transparency without possibility of becoming white turbid even when the drying temperature during the formation of the coating film is a low temperature of not higher than 100° C., and in that, when used as a release agent, the aqueous polymer dispersion will be an aqueous release agent which undergoes no deterioration of the releasibility even after being preserved at high temperature, and further, has excellent transparency.

Abstract: An aqueous binder composition having a reduced tendency to yellow containingA) 20 to 95 wt-% of a water-dilutable organic polyol component that is present in the form of an aqueous solution or dispersion, contains one or more polymer-modified polyester resins which contain carboxylate groups and hydroxyl groups and has been prepared by the polymerization of olefinically unsaturated monomers in the presence of an unsaturated polyester resin that is copolymerized with the monomers andB) 5 to 80 wt-% of at least one heat-activatable cross-linking resin,wherein the percentages are based on the solids contents of components A) and B) and add up to 100%; and their use in heat-curable coating compositions.

Abstract: The invention concerns the use as thermothickeners of multi-block copolymers of general formula (I) or (II): ##STR1## wherein E designates a polyoxyalkylene sequence; A designates a water-soluble polymer sequence; X is a sulphur or oxygen atom; Y is an oxygen atom or an --N--R' group, R' being a linear or branched alkyl; R is a linear or branched alkyl, aralky or alkylaryl group; and n is such that the molecular mass of the multi-block copolymers Mp is greater than 250,000 g/mol.

Abstract: A water reducible polyurethane resin for use in coating compositions is provided with humidity resistance at relatively low cost by employing a urethane prepolymer which is the reaction product of (i) a polyisocyanate, (ii) a polyhydroxy compound which is the reaction product of an organic acid and an epoxy compound, at least one of which includes a hydrocarbon group of at least six carbon atoms, and (iii) a monomer having an anionic group and functionality reactive with isocyanate. Preferred embodiments employ C.sub.36 dimer diacid and the propylene oxide ester of neodecanoic acid to make the polyhydroxy compound.

Abstract: A method for producing a water dispersible resin composition, comprising radically polymerizing, in the presence of a polymerization initiator, a starting mixture comprising (a) 10 to 95% by weight of a water insoluble resin having a solubility in water of not more than 1; and (b) 5 to 90% by weight of a monomer mixture which comprises (1) 2 to 75% by weight of an ethylenically unsaturated monomer having an acid group, and (2) 25 to 98% by weight of an ethylenically unsaturated monomer other than (1); and neutralizing the resulting resin composition containing an acid group by adding a neutralizing agent. A coating composition is provided which is stable and excellent in coating workability and has improved storage stability and solid components content of the coating composition. Since particles excellent in dispersibility improve the uniformity of a coated film, transparency, smoothness, chemical resistance, water resistance and mechanical strength of the coated film are also improved.