Abstract: The present invention relates to a radiation curable aqueous coating composition comprising a dispersion of a chain extended polyurethane which dispersion comprises (a) a polyurethane-urea polymer comprising (i) acryloyl groups present in an amount of at least 2.0 mmol per g of the polyurethane-urea polymer; and (ii) urea groups present in an amount of at least 0.

Abstract: The present invention relates to an aqueous coating composition comprising dispersed polymer particles, wherein (i) the dispersed polymer particles are polyurethane-vinyl polymer hybrid particles obtained by free-radical polymerization of at least one vinyl monomer in the presence of a polyurethane, (ii) the polyurethane and the vinyl polymer in the hybrid particles are present in a weight ratio of polyurethane to vinyl polymer ranging from 1:1 to 20:1, (iii) the polyurethane is the reaction product of at least the following components: (a) from 5 to 40 wt. % of at least one organic difunctional isocyanate, (b) from 0.5 to 4 wt. % of an isocyanate-reactive compound containing ionic or potentially ionic water-dispersing groups having a molecular weight of from 100 to 500 g/mol, (c) from 40 to 80 wt. % of at least one diol having a molecular weight from 500 to 5000, (d) from 0 to 10 wt.

Abstract: There is described an aqueous urethane acrylate copolymer dispersion comprising a) from 10 to 95 wt-% of a polyurethane copolymer, and b) from 5 to 90 wt-% of a polyvinyl copolymer, where vinyl copolymer (b) comprises from 30 parts to 100 parts by weight of biorenewable monomer(s)—such as itaconic acid, itaconate diesters and/or diamides for example dimethyl itaconate (DMI) or dibutyl itaconate (DBI) and where optionally the composition has a residual monomer level of less than 5000 ppm.

Abstract: An aqueous emulsion coating composition comprising an autoxidisable vinyl oligomer having ?20 wt % of unsaturated fatty acid residue; Tg from ?50 to +15° C.; Mw from 2,500 to 40,000 g/mol; polydispersity from 2 to 12, said composition having ?15% co-solvent by weight of solids, ?13% NMP by weight of solids ?38% solids by weight of composition; said composition when in the form of a coating having a telegraphing value defined as the difference in gloss at a 20° angle of between a film cast on rough PVC and a film cast on smooth PVC of 10 gloss units.

Abstract: An aqueous solution coating composition comprising an autoxidizable polyvinyl polymer having ?20% of fatty acid residue by weight of polymer; Tg from ?60 to +15° C.; acid value of 15 to 75 mg KOH/g, Mw from 2500 to 100000 g/mol; polydispersity ?30, said composition having ?25% co-solvent by weight of solids, ?30% solids by weight of composition; said composition when in the form of a coating having a telegraphing value defined as the difference in gloss at a 20° angle of between a film cast on rough PVC and a film cast on smooth PVC of 10 gloss units.

Abstract: An aqueous polymer composition which when in the form of a film shows excellent elongation at break comprising (i) 5 to 30 wt. % of polyurethane where the acid value of the polyurethane is between 3 to 40 mg KOH/g; (ii) 70 to 95 wt. % of vinyl polymer comprising 20 to 90 wt. % of vinyl polymer with Tg<20° C.; 10 to 80 wt. % of vinyl polymer with Tg?20° C.; where at least one of the vinyl polymers contains acid functional groups with acid value in the range of from 15 and 240 mg KOH/g.

Abstract: The present invention relates to a radiation curable aqueous coating composition comprising a dispersion of a chain extended polyurethane which dispersion comprises (a) a polyurethane-urea polymer comprising (i) acryloyl groups present in an amount of at least 2.0 mmol per g of the polyurethane-urea polymer; and (ii) urea groups present in an amount of at least 0.

Abstract: An aqueous coating composition comprising an autoxidisable fatty acid modified polyester resin having ?40 wt % of fatty acid residues; a Tg in the range of from ?70 to +20° C.; an acid value less than 40 mg KOH/g; a Mw in the range of from 5,000 to 125,000 g/mol; >5 wt % of ring structures; and said composition having a co-solvent content less than 20 wt % by weight of solids; a solids content >38 wt %; and when in the form of the film having a telegraphing value of less than 35 gloss units.

Abstract: An aqueous coating composition comprising an autoxidizable polyester resin having ?30 wt % of fatty acid residues; a Tg in the range of from ?60° C. to +35° C.; an acid value greater than 15 mg KOH/g and less than 75 mg KOH/g; a Mw in the range of from 2,500 to 100,000 g/mol; the composition having a co-solvent content less that 15 wt % by weight of total composition; a solids content >30 wt %; and when in the form of a film, the composition has a telegraphing value of less than 20 gloss units.

Abstract: An aqueous coating composition comprising an autoxidizable fatty acid modified polyester resin having ?40 wt % of fatty acid residues; a Tg in the range of from ?70 to +20° C.; an acid value less than 40 mg KOH/g; a Mw in the range of from 5,000 to 125,000 g/mol; >5 wt % of ring structures; and the composition having a co-solvent content less than 20 wt % by weight of solids; a solids content >38 wt %; and when in the form of the film having a telegraphing value of less than 35 gloss units.

Abstract: A water dilutable UV-curable polyurethane containing alkylene oxide groups, the polyurethane being obtained from components comprising at least: (i) 1 to 25 wt. % of at least one polyisocyanate; (ii) 0 to 80 wt. % of at least one hydroxyl functional compound containing alkylene oxide groups; (iii) 10 to 90 wt. % of at least one hydroxyl functional compound containing at least one polymerizable unsaturated (meth)acryloyl functional group per molecule; and (iv) 0 to 50 wt. % of at least one isocyanate-reactive compound not comprised by (ii) or (iii); wherein the sum of (i) to (iv) is 100%.

Abstract: An aqueous coating composition, which when in the form of a film exhibits an MVTR of ?500 g/m2/24 h comprising 20 to 80 wt % of a polyurethane A with an acid value of 8 to 40 mg KOH/g and a hard segment content ?40 wt %, a ring structure content ?48 wt % and 80 to 20 wt % of a vinyl polymer B with a Tg?20° C.

Abstract: There is described a process for preparing a Schiff base crosslinkable aqueous dispersion of a polyurethane A (PUD) the process comprising (a) reacting components (1) to (4) as present to form an acidic isocyanate terminated prepolymer that comprises anionic or potentially anionic functional groups thereon; where: (1) component one comprises 10 to 80% by weight of at least one polyisocyanate optionally containing at least one anionic or potentially anionic dispersing group; (2) optional component two comprises up to 15% by weight of at least one isocyanate-reactive polyol containing at least one anionic or potentially anionic dispersing group; (3) component three comprises 15 to 85% by weight of at least one isocyanate reactive polyol other than component two if present, and having a weight average molecular weight greater than or equal to 500 Daltons optionally containing at least one anionic or potentially anionic dispersing group; and (4) optional component four comprises up to 20% by weight of at least on

Abstract: There is described (pref. non-adhesive) coating compositions (which may be either water or solvent borne) that comprise an autoxidisable vinyl polymer, the autoxidisable polymer having a vinyl polymer backbone 25% to 75% by wt of the autoxidisable polymer; fatty acid residue 25% to 75% by wt of the autoxidisable polymer; Tg from ?60° C. to +20° C., Mw from 3500 to 50000 g/mol; and polydispersity from 2 to 10; the autoxidisable polymer obtained by a process of: (A) polymerising ethylenically unsaturated vinyl monomers comprising: at least one epoxy functional vinyl monomer 15% to 100% by wt total monomers in (A); 0 to 85% of at least one other ethylenically unsaturated vinyl monomer, (preferably other than styrenic monomers) by wt total monomers in (A); (B) reacting the epoxy functional polymer from (A) with fatty acids having an average iodine value from 30 to 250 g I2/100 g fatty acid; where composition has: a) a opt.

Abstract: There is described an aqueous urethane acrylate copolymer dispersion comprising a) from 10 to 95 wt-% of a polyurethane copolymer, and b) from 5 to 90 wt-% of a polyvinyl copolymer, where vinyl copolymer (b) comprises from 30 parts to 100 parts by weight of biorenewable monomer(s)—such as itaconic acid, itaconate diesters and/or diamides for example dimethyl itaconate (DMI) or dibutyl itaconate (DBI) and where optionally the composition has a residual monomer level of less than 5000 ppm.

Abstract: There is described a process for preparing an silane-functional oligomer (such as an alkoxysilane polyurethane) suitable for use as a crosslinkable coating component, the process comprising the steps of: 1) reacting an aminoalkyl silane with a cyclic carbonate, lactone or lactam to form a hydroxyl (OH) or imino (NH) functional silane intermediate, 2) reacting the silane intermediate from step 1) (optionally immediately without isolation) with a diisocyanate (diNCO) to form a silane functional polyurethane; where in step 2) the molar ratio of the total amount OH or NH groups on the silane intermediate of step 1) to the diisocyanate is from 1.8 to 2.2 (preferably about 2.0) and the resultant silane polymer is substantially-free of isocyanate groups thereon.

Abstract: An aqueous emulsion coating composition comprising an autoxidisable vinyl oligomer having ?20 wt % of unsaturated fatty acid residue; Tg from ?50 to +15° C.; Mw from 2,500 to 40,000 g/mol; polydispersity from 2 to 12, said composition having ?15% co-solvent by weight of solids, ?13% NMP by weight of solids ?38% solids by weight of composition; said composition when in the form of a coating having a telegraphing value defined as the difference in gloss at a 20° angle of between a film cast on rough PVC and a film cast on smooth PVC of 10 gloss units.

Abstract: An aqueous solution coating composition comprising an autoxidisable polyvinyl polymer having ?20% of fatty acid residue by weight of polymer; Tg from ?60 to +15° C.; acid value of 15 to 75 mg KOH/g, Mw from 2500 to 100000 g/mol; polydispersity ?30, said composition having ?25% co-solvent by weight of solids, ?30% solids by weight of composition; said composition when in the form of a coating having a telegraphing value defined as the difference in gloss at a 20° angle of between a film cast on rough PVC and a film cast on smooth PVC of 10 gloss units.

Abstract: An aqueous coating composition comprising an autoxidisable polyester resin having ?30 wt % of fatty acid residues; a Tg in the range of from ?60° C. to +35° C.; an acid value greater than 15 mg KOH/g and less than 75 mg KOH/g; a Mw in the range of from 2,500 to 100,000 g/mol; said composition having a co-solvent content less that 15 wt % by weight of total composition; a solids content >30 wt %; and when a film, a telegraphing value of less than 20 gloss units.

Abstract: An aqueous coating composition comprising an autoxidisable fatty acid modified polyester resin having 40 wt % of fatty acid residues; a Tg in the range of from ?70 to +20° C.; an acid value less than 40 mg KOH/g; a Mw in the range of from 5,000 to 125,000 g/mol; >5 wt % of ring structures; and said composition having a co-solvent content less than 20 wt % by weight of solids; a solids content >38 wt %; and when in the form of the film having a telegraphing value of less than 35 gloss units.