Abstract: The present invention is directed to a water-based acrylic emulsion dispersant to be used as a grind resin to incorporate inorganic pigment into a pigment dispersion for a coating composition. The acrylic emulsion dispersant is the reaction product of butyl methacrylate, butyl acrylate, styrene, methyl ether polyethylene glycol methacrylate, polyethylene glycol methacrylate, and polyphosphoric acid. The present invention is also directed to a method of preparing the acrylic emulsion dispersant. In this method, the butyl methacrylate, butyl acrylate, and styrene are combined with water to establish a first reaction blend. Similarly, the methyl ether polyethylene glycol methacrylate and the polyethylene glycol methacrylate are combined with water to establish a second reaction blend. Next, the first and second reaction blends are polymerized to form an intermediate emulsion polymer containing a hydroxyl group from the functionality of the polyethylene glycol methacrylate.

Abstract: A hyperbranched polyester polyol macromolecule, having a plurality of both embedded and exterior hydroxyl groups thereon, may be synthesized in a polymerization reaction having several steps. The hyperbranched polyol includes a central nucleus, a first chain extension, an intermediate substituent and a second chain extension. The central nucleus is a hydrocarbon structure with a plurality of oxygen atoms. The first chain extender is attached to the central nucleus and includes a carboxylic ester group and a plurality of hydroxyl groups. The intermediate substituent is attached to the first chain extender, and is a polyfunctional carboxylic acid or anhydride thereof. The preferred intermediate substituent is a cyclic compound. The second chain extension is attached to the intermediate substituent. The preferred second chain extension includes a glycidyl ester or epoxy. Methods of making a hyperbranched polyester polyol are also disclosed.

Abstract: The present invention is directed to a polyester resin for use in a coating composition. The polyester resin is the reaction product of a first compound comprising a plurality of hydroxyl groups, a lactone compound, a carboxylic acid anhydride, an epoxy compound having at least one epoxy group, and a carbamate compound. The present invention is also directed to a coating composition including the polyester resin and to a method of preparing the resin.

Abstract: The invention relates to positional isomer diethyloctandioldicarbamates and diethyloctandioldiallophanates, to a method for the production thereof and to the use thereof as synthetic building blocks and constituents of adhesives, luting compounds and coating materials.

Abstract: The present invention provides a crosslinker for organic coatings having an amino resin core with substituents including more than one olefin functional group, a silicon-containing group, and at least one alkoxyalkyl or alkylol group. Coating compositions containing the crosslinker can be cured with radiation, especially ultraviolet radiation. The crosslinker can be included in a coating composition with one or more curable resins, applied onto a substrate and cured to form the cured coating of the invention.

Abstract: The present invention is directed to a rheology control agent. The rheology control agent is used in a coating composition and is the reaction product of a first compound comprising a plurality of hydroxyl groups, of a lactone compound, and of a carbamate compound. The present invention is also directed to a coating composition including the rheology control agent and to a method of preparing the rheology control agent.

Abstract: The present invention is directed to a polyester polycarbamate polymeric pigment dispersant to be used as a grind resin to incorporate pigment into pigment dispersions for coating compositions. The pigment dispersant is the reaction product of a first compound having a plurality of hydroxyl groups, a carboxylic acid anhydride, a second compound having at least one epoxy group, and a carbamate compound. The present invention is also directed to a method of preparing the pigment dispersant.

Abstract: The present invention provides a coating composition containing 1) a carbamate-functional resin having in its structure a hyperbranched or star polyol core, a first chain extension based on a polycarboxylic acid or anbydride, a second chain extension based on an epoxy containing compound, and having carbamate functional groups on the core, the second chain extension, or both; and 2) a second resin containing functional groups reactive with the carbamate groups on the carbamate-functional resin. In one embodiment, the coating compositions are used as a cloarcoat to be applied over a basecoat to form a composite coating. The compositions exhibit a combination of desirable properties, such as scratch and mar resistance, resistance to environmental etch, good intercoat adhesion, and high solids.

Abstract: The present invention provides a coating composition containing a carbamate-functional resin having in its structure a hyperbranched or star polyol core, a first chain extension based on a polycarboxylic acid or anhydride, a second chain extension based on an epoxy containing compound, and having carbamate functional groups on the core, the second chain extension, or both; and a second resin containing functional groups reactive with the carbamate groups on the carbamate-functional resin. In one embodiment, the coating compositions are used as a clearcoat to be applied over a basecoat to form a composite coating. The compositions exhibit a combination of desirable properties, such as scratch and mar resistance, resistance to environmental etch, good intercoat adhesion, and high solids.

Abstract: The present invention is directed to a water-based acrylic emulsion dispersant to be used as a grind resin to incorporate inorganic pigment into a pigment dispersion for a coating composition. The acrylic emulsion dispersant is the reaction product of butyl methacrylate, butyl acrylate, styrene, methyl ether polyethylene glycol methacrylate, polyethylene glycol methacrylate, and polyphosphoric acid. The present invention is also directed to a method of preparing the acrylic emulsion dispersant. In this method, the butyl methacrylate, butyl acrylate, and styrene are combined with water to establish a first reaction blend. Similarly, the methyl ether polyethylene glycol methacrylate and the polyethylene glycol methacrylate are combined with water to establish a second reaction blend. Next, the first and second reaction blends are polymerized to form an intermediate emulsion polymer containing a hydroxyl group from the functionality of the polyethylene glycol methacrylate.

Abstract: The present invention is directed to a curable, water-based coating composition utilized in waterborne coating systems such as a waterborne primer system. The coating composition is the reaction product of a water-dispersible cross-linking agent and a water-based copolymer prepared by free-radical polymerization. The copolymer is the reaction product of a first block and a second block. The first block is the reaction product of a plurality of ethylenically unsaturated monomers. One of the ethylenically unsaturated monomers includes a functional group suitable for reaction with the cross-linking agent. The functional group in the first block is preferably a carbonate, carbamate, or hydroxyl functional group. Other monomers in the plurality include acrylic acid and methyl methacrylate. The first block is also the reaction product of a vinylaromatic hydrocarbon monomer such as diphenylethylene. The second block is the reaction product of a non-functional, ethylenically unsaturated monomer.

Abstract: The present invention is directed to a polymeric pigment dispersant to be used as a grind resin to incorporate pigment into a pigment dispersion for a coating composition. The polymeric pigment dispersant is the reaction product of dipentacrythritol, hexahydrophthalic anhydride, glycidylneodecanoate, dimethylethanolamine, and polyphosphoric acid. The present invention is also directed to a method of preparing the polymeric pigment dispersant. In this method, the dipentaerythritol and the hexahydrophthalic anhydride are polymerized to form an intermediate compound. Next, an epoxy group of the glycidylneodecanoate reacts with the intermediate compound, and then the dimethylethanolamine salts the intermediate compound. Finally, the polyphosphoric acid is added to form the completed polymeric pigment dispersant. The polymeric pigment dispersant has improved stability in the pigment dispersion and is utilized for efficient wetting and grinding of the pigment in the pigment dispersion.

Abstract: The present invention provides a crosslinker for organic coatings having an amino resin core with substituents including more than one olefin functional group, a silicon-containing group, and at least one alkoxyalkyl or alkylol group. Coating compositions containing the crosslinker can be cured with radiation, especially ultraviolet radiation. The crosslinker can be included in a coating composition with one or more curable resins, applied onto a substrate and cured to form the cured coating of the invention.

Abstract: The present invention is directed to a polyester carboxylate polymeric pigment dispersant to be used as a grind resin to incorporate inorganic pigment into a pigment dispersion for a coating composition. The polymeric pigment dispersant is the reaction product of pentaerythritol, hexahydrophthalic anhydride, glycidylneodecanoate, and dimethylethanolamine. The present invention is also directed to a method of preparing the polymeric pigment dispersant. In this method, the pentaerythritol and the hexahydrophthalic anhydride are polymerized to form an intermediate compound. Next, an epoxy group of the glycidylneodecanoate reacts with the intermediate compound, and then the dimethylethanolamine neutralizes the intermediate compound to form the completed polymeric pigment dispersant. The polymeric pigment dispersant is utilized for efficient wetting and grinding of the pigment.

Abstract: The present invention provides a coating composition containing

Abstract: A hyperbranched polyester polyol macromolecule, having a plurality of both embedded and exterior hydroxyl groups thereon, may be synthesized in a polymerization reaction having several steps. The hyperbranched polyol includes a central nucleus, a first chain extension, an intermediate substituent and a second chain extension. The central nucleus is a hydrocarbon structure with a plurality of oxygen atoms. The first chain extender is attached to the central nucleus and includes a carboxylic ester group and a plurality of hydroxyl groups. The intermediate substituent is attached to the first chain extender, and is a polyfunctional carboxylic acid or anhydride thereof. The preferred intermediate substituent is a cyclic compound. The second chain extension is attached to the intermediate substituent. The preferred second chain extension includes a glycidyl ester or epoxy. Methods of making a hyperbranched polyester polyol are also disclosed.

Abstract: The present invention is directed to a curable, water-based coating composition utilized in waterborne coating systems. The coating composition is the reaction product of a water-based copolymer prepared by free-radical polymerization, and a cross-linking agent. The copolymer is the reaction product of a first block and a second block. The first block is the reaction product of a first ethylenically unsaturated monomer, acrylic acid, and a second ethylenically unsaturated monomer, methyl methacrylate, as wells as the reaction product of a vinylaromatic hydrocarbon monomer, diphenylethylene. The second block is the reaction product of a plurality of ethylenically unsaturated monomers, styrene, 2-ethylhexyl methacrylate, cyclohexyl methacrylate, and carbonate-modified glycidyl methacrylate including a carbonate functional group.

Abstract: The polyisocyanate ester compound is a branched material having at least two ester linkages, at least four urethane linkages further from the center of the compound compared to the ester linkages, and at least one terminal isocyanate group for each urethane linkage, which isocyanate group may be blocked. The compound can be prepared by first by reacting a polyol compound having at least two hydroxyl groups with a carboxylic acid compound having one carboxylic acid group and at least two hydroxyl groups to form a hydroxyl-functional ester product. The hydroxyl-functional ester product is then reacted with a polyisocyanate compound in which the isocyanate groups have different reactivities. The reaction with the polyisocyanate compound is carried out under conditions so that only one of the isocyanate groups is substantially reactive with the hydroxyl groups of the ester product of the first stage.

Abstract: A resinous binder useful in clear coat compositions comprises a) a polyepoxide such as a copolymer of an ethylenically unsaturated epoxide with other (meth)acrylate(s) or styrene, b) a polyacid such as a carboxyl-terminated polyester, and c) a polyisocyanate.

Abstract: A binder for a coating composition is formed using a principal resin polyol, in combination with a hyper-branched polyol as a reactive intermediate, and at least one crosslinker. The principal resin polyol is at least one of a polyester polyol, a polyether polyol, and a polyacrylate. Hyper-branched polyester polyols may be used as reactive diluents, which will cross-link with isocyanates, isocyanurates, epoxides, anhydrides or their corresponding polyacids and/or aminoplasts to form a binder having particular properties, to help control the rheology of a coating system. The hyperbranched polyol, the principal resin polyol, or both may, optionally, include a carbamate functional group in the structure thereof. Coating compositions may be made using the binders together with additional components.