Method of producing super soft PAU core-shell copolymer dispersions is a solvent free process. The products have characteristics of both polyurethane and polyacrylate including being non-sticky, having a feeling of touching a peach when touching it by the hand, and having improved adhesion, tensile strength, and toughness.

A polyurethane resin having an anionic group and a polyalkylene oxide in a side chain thereof is obtainable by reacting a polyester polyol, a polyether diol, a polyol containing an anionic group, and a polyisocyanate, and the polyester polyol is obtained by reacting an aromatic polycarboxylic acid and a polyol. The polyurethane resin can be used as binder in an ink jet ink and provides excellent scratch and solvent resistance of printed images.

The invention relates to alkyd resin obtainable by polymerization of reaction components comprising: (a) a polybasic acid; (b) a polyhydric alcohol; (c) an unsaturated fatty acid comprising in the range of from 12 to 24 carbon atoms; and (d) optionally a monocarboxylic acid other than an unsaturated fatty acid comprising in the range of from 12 to 24 carbon atoms and other than a polyhydric alcohol, wherein at least part of the polybasic acid (a) and/or of the monocarboxylic acid (d) is a 1-substituted-5-oxopyrrolidine-3-carboxylic acid obtainable by reacting itaconic acid with a primary amine group of an amine, wherein the amine comprises an aromatic or non-aromatic cyclic group. The invention further relates to a polyurethane-polyester hybrid alkyd resin obtainable by reacting the above alkyd resin with a polyurethane prepolymer with emulsifying groups. The invention further relates to a coating composition comprising such alkyd resin or such polyurethane-polyester hybrid alkyd resin as binder polymer, and to a substrate coated with such coating composition.

The present invention relates to a polymer, preparable by reacting at least one polymer, preparable by reacting (a) dimer fatty acids with at least (b) one polyether having a C3 to C6 alkylene radical and a number-average molecular weight of 450 to 2200 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.7, and the resulting polymer has a number-average molecular weight of 1500 to 5000 g/mol and an acid number <10 mg KOH/a, at least one polyether with a C3 to C6 alkylene radical and with a number-average molecular weight of 250 to 3000 g/mol, at least one compound having at least one anionic group and/or at least one functional group capable of forming anions, and at least one, more particularly at least two, isocyanate-reactive functional groups, at least one polyisocyanate, and optionally at least one monool or diol, at least one compound having more than two isocyanate-reactive functional groups, and optionally neutralizing the groups of component (C) that are capable of forming anions.

Disclosed is a solventless adhesive composition comprising (A) an isocyanate component obtained by the reaction of reactants comprising at least one monomeric cycloaliphatic isocyanate compound comprising at least one cyclohexyl (ene) group and at least one first polyol: and (B) a polyol component comprising particularly selected functionalized and non-functionalized polyol. The solventless adhesive composition can be used for the production of laminate materials. e.g. laminate packing material, which well meet the requirements of various food compliance regulations and has superior performance properties such as heat and chemical resistance. A method for producing said laminate material and the resultant laminate material are also disclosed.

A pressure sensitive adhesive composition includes a polyurethane polymer that includes the reaction product of a polyisocyanate component and a polyol component. The polyol component has a total solubility parameter ranging from 10 to 14 (cal/cm.sup.3).sup.1/2.

Method of producing super soft PAU core-shell copolymer dispersions is a solvent free process. The products have characteristics of both polyurethane and polyacrylate including non-sticky, having a feeling of touching a peach when touching it by the hand, and improved adhesion, tensile strength, and toughness.

The present invention provides an aqueous polyurethane dispersion (PUD) comprising an amorphous polyester having a glass transition temperature (T.sub.g) as determined by differential scanning calorimetry of less than 30 C.; wherein the aqueous polyurethane dispersion (PUD) has a glass transition temperature (T.sub.g) as determined by differential scanning calorimetry (DSC) of 0 C. to 20 C. and a hard block content of greater than 50% and wherein the aqueous polyurethane dispersion (PUD) provides resistance to one or more selected from the group consisting of 10% HCl, water, motor oil, diesel fuel, 10% acetic acid, methyl ethyl ketone and 25% NaOH. Coatings, adhesives, sealants, paints, primers, and topcoats, made from the inventive aqueous polyurethane dispersion (PUD) provide good chemical resistance to a variety of surfaces including floors, windows, doors, window frames, door frames, window shutters, railing, gates, pillars, arbors, pergolas, trellises, gazebos, posts, fencing, pipes and fittings, wire and cable insulation, automobile components, credit cards, and siding.

Provided is a conductive composition for molded film that enables production of a molded film for which tensile force-induced reductions in conductivity are suppressed. The conductive composition for molded film contains a resin (A), conductive fine particles (B), and a solvent (C), wherein the solvent (C) contains, in 100 parts by mass of the solvent (C), at least 40 parts by mass of a solvent (C) that satisfies the following condition (1) and condition (2). (1) A boiling point of 180? C. to 270? C. (2) At least one of the following is satisfied: the polar parameter ?p of the Hansen solubility parameter (HSP) is 0??p?5.0, and the hydrogen-bond parameter ?h of the Hansen solubility parameter (HSP) is 9.8??h?4.0.

An alkyd resin is provided wherein the alkyd resin is obtainable by polymerization of reaction components comprising a polybasic acid, a polyhydric alcohol, and unsaturated fatty acids, or by further reacting such alkyd resin with a polyurethane prepolymer with emulsifying groups. Also provided are a coating composition comprising such alkyd resin as binder polymer, and a substrate coated with such coating composition.