Abstract: The present disclosure relates to a composition comprising: at least one dendritic polymer prepared from hyper-branched polymer with hydroxyl groups, having a plurality of peripheral functional groups, wherein the peripheral functional groups comprising at least one cyclic ether group that is covalently bound to said hyperbranched polymer by urethane linkages; and a melamine-based crosslinker. Such compositions have improved flexibility. The present disclosure further relates to the use of such compositions to form coatings after cure, or as an additive component to binder resins.

Abstract: Toughened polymeric materials and methods of forming toughened polymeric materials are provided herein. In some embodiments, a method of forming toughened polymeric materials may include preparing a branched polymeric additive; mixing the branched polymeric additive with a polymer to form a polymeric mixture, wherein the branched polymeric molecule either mixes and/or bonds with the polymer to reduce mobility in the polymer; and curing the polymeric mixture. In some embodiments, a toughened polymeric material comprises a polymer network; and a branched polymeric molecule bonded to the polymer network.

Abstract: This invention relates to a family of aliphatic esters having the following general structure: R1—O—C(O)—R4—C(O)-[—O—R2—O—C(O)—R5—C(O)-]m—O—R3 in which: R1 is selected from one or more of the groups consisting of H, linear and branched saturated and unsaturated alkyl residues of the C1-C24 type, and polyol residues esterified with C1-C24 monocarboxylic acids; R2 comprises —CH2—C(CH3)2—CH2— and C2-C8 alkylene groups, and comprises at least 50% in moles of the said —CH2—C(CH3)2—CH2— groups; R3 is selected from one or more of the groups consisting of H, linear and branched saturated and unsaturated alkyl residues of the C1-C24 type, and polyol residues esterified with C1-C24 monocarboxylic acids; R4 and R5 comprise one or more C2-C22 alkylenes and comprise at least 50% in moles of C7 alkylenes; m lies between 1 and 20; at least one of R1 and/or R3 comprise polyol residues esterified with at least one C1-C24 monocarboxylic acid selected from the group consisting of stearic acid, palmitic acid, 9-ketostearic

Abstract: A coating composition comprising a polyester resin binder and a phosphatized polyester. The compositions are useful for coating containers such as food and beverage containers. The compositions have excellent hydrolytic stability upon storage at high temperature. The compositions are formulated to be substantially free of bisphenol A (BPA) and bisphenol A diglycidyl ether (BADGE).

Abstract: The present invention provides a coating composition, a process for producing the same, one or more coating layers derived therefrom, and articles comprising one or more such coating layers. The coating composition according to the present invention comprises: (a) from 10 to 90 percent by weight of an aqueous, high-solid, solvent-free alkyd dispersion comprising: (i) from 40 to 70 percent by weight of one or more alkyds based on the total weight of the dispersion, wherein each said one or more alkyds has an acid value of less than 20 and a molecular weight (Mn) in the range of greater than 1000 Dalton; (ii) from less than 10 percent by weight of one or more surfactants, based on the total weight of the dispersion; and (iii) from 30 to 55 percent by weight of water, based on the total weight of the dispersion; wherein said aqueous, high-solid, solvent-free alkyd dispersion has an average particle size diameter in the range of from 0.

Abstract: The invention relates to a paste resin AB which is a mixture of a water-reducible alkyd resins B and a basic acrylic copolymer resin A comprising at least one amino group-containing vinyl type monomer A1, and a method of use thereof formulating both water-borne and solvent-borne tinted paints with a wide variety of pigments.

Abstract: A series of resins were synthesized using a range of bio-based materials to control the molecular architecture, and therefore the properties, of the inventive resins. The utility of these resins was demonstrated in the formulation of powder coatings, such as ?-hydroxy amide crosslinked and hybrid types. Generally, the bio-based resins flowed out on heating faster than conventional petrochemically-based resins, allowing the use of lower temperatures in the curing oven than is typically possible and a more active catalyst system, especially in the carboxylic acid-epoxy crosslinked hybrid coating formulations.

Abstract: A stabilizer polymer and coating compositions containing the stabilizer polymer are provided. The stabilizer polymer preferably includes a polyester backbone and a plurality of carbon-carbon double bonds. A coating composition is provided that preferably includes the stabilizer polymer, an acrylic component, and a thermoplastic dispersion. In a preferred embodiment, the acrylic component is included in the stabilizer polymer.

Abstract: A copolyester composition includes: an aliphatic-aromatic copolyester; a coupling agent including a compound having an epoxy functional group; and a cocatalyst including a carboxylate of manganese and a carboxylate of zinc, wherein a weight ratio of the carboxylate of manganese to the carboxylate of zinc ranges from 1:3 to 3:1, and the cocatalyst is present in an amount ranging from 0.03-0.2 part by weight based on 100 parts by weight of the aliphatic-aromatic copolyester.

Abstract: This invention relates to thermoplastic moulding compositions with improved flowability based on a thermoplastic polycarbonate and on a copolymer of at least one olefin with at least one methacrylic ester or acrylic ester of an aliphatic alcohol, where the MFI of the copolymer is no less than 100 g/10 min, to a process for preparation of these moulding compositions, and also to the use of these moulding compositions for production of mouldings for the electrical industry, electronics industry, telecommunications industry, motor vehicle industry, or computer industry, in sports, in medicine, in households, or in the entertainment industry.

Abstract: The invention pertains to low profile additives (“LPA”) comprising branched polymers having a weight average molecular weight (Mw) of at least about 20,000 grams/mole and a number average molecular weight (Mn) of at least about 3,000 grams/mole and methods for making the LPAs. The invention further concerns compositions comprising LPAs synthesized from one or more Bifunctional monomers and one or more branching agents. Also, disclosed are thermosettable resinous compositions and molded articles comprising the LPAs.

Abstract: An aqueous composition comprising dispersed particles comprising: at least one unsaturated flow promoter and at least one copolymer formed by the polymerization of at least one ethylenically unsaturated nonionic monomer and at least one monomer bearing a pendant functionality which can react with the unsaturated flow promoter upon drying and exposure to oxygen.

Abstract: The invention pertains to low profile additives (“LPA”) comprising branched polymers having a weight average molecular weight (Mw) of at least about 20,000 grams/mole and a number average molecular weight (Mn) of at least about 3,000 grams/mole and methods for making the LPAs. The invention further concerns compositions comprising LPAs synthesized from one or more difunctional monomers and one or more branching agents. Also, disclosed are thermosettable resinous compositions and molded articles comprising the LPAs.

Abstract: A core/shell polymer composition with ester linkages formed from secondary or tertiary hydroxy groups may be used with a dispersion agent to form water dispersible polymer compositions for inks, curable coatings, paints, and the like.

Abstract: Water-dilutable brushing paints based on water-soluble alkyd resins rendered water-soluble through neutralization of methacrylic acid groups thereon are described. The brushing paints have favorable applicational properties, especially with regard to wet-edge time and brushability.

Abstract: In a dispersion containing acrylic polymer microparticles, particularly useful in automotive coatings, the dispersion is formed by free radical addition copolymerization of unsaturated monomers in a hydrocarbon dispersing medium in the presence of first and second polymeric dispersion stabilizers. The first polymeric dispersion stabilizer has an acrylic backbone and polyester side chains, and the second polymeric dispersion stabilizer is a branched polyester formed from the reaction of polyol, polyacid or anhydride, and fatty acid.

Abstract: The polyester resin composition of the present invention comprises (A) a thermoplastic polyester resin, (B) an olefinic polymer modified with at least one member selected from the group consisting of an unsaturated carboxylic acid and its derivative, and (C) an aliphatic ester having a molecular weight of 400 to 1,000. The polyester resin of the present invention may comprises: (D) a flame retardant, (E) an inorganic flame retardant auxiliary, and others. The thermoplastic polyester resin composition is useful for the fabrication of sliding members (particularly, gears). Polyester resin compositions with improved dimensional accuracy and sliding properties and shaped articles formed therefrom can be obtained from the resin composition of the present invention.

Abstract: Coating compositions which comprise: (i) a hydroxy-functional compound containing in the molecule an average of at least two hydroxyl groups; (ii) an anhydride-functional compound containing in the molecule an average of at least two cyclic carboxylic acid anhydride groups; and (iii) an epoxy-functional compound containing in the molecule an average of at least two cycloaliphatic epoxy groups, provide low temperature cure response and excellent durability.