Patent application number | Description | Published |
20080249242 | Aqueous Vinyl Graft Copolymer Compositions - An aqueous composition comprising at least one vinyl graft copolymer (A) and at least one vinyl polymer (B) obtained by a process comprising steps a) polymerising at least one vinyl monomer to obtain at least one macromonomer with a Tg | 10-09-2008 |
20100136353 | AQUEOUS OLIGOMER / POLYMER EMULSION WITH CATIONIC FUNCTIONALITY - An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35. | 06-03-2010 |
20110021689 | WATER BORNE CROSSLINKABLE BLOCK COPOLYMERS OBTAINED USING RAFT - There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A] | 01-27-2011 |
20110111244 | ADHESION TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT - An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A] | 05-12-2011 |
20110118394 | COATING COMPOSITION COMPRISING AUTOXIDISABLE COMPONENT - An aqueous solution coating composition comprising an autoxidisable polyvinyl polymer having ≧20% of fatty acid residue by weight of polymer; T | 05-19-2011 |
20110196084 | AQUEOUS CROSSLINKABLE VINYL GRAFT COPOLYMER COMPOSITIONS - An aqueous composition comprising: A) a crosslinkable vinyl graft copolymer comprising 30 to 85 wt % of a polymeric backbone; and 70 to 15 wt % of at least one macromonomer grafted to the polymeric backbone, where the Tg of the macromonomer is in the range of from 15 to 140° C.; where the Tg of the polymeric backbone is ≦40° C.; where the vinyl graft copolymer comprises 0.6 to 10 wt % of at least one carbonyl functional vinyl monomer; where the polymeric backbone contains ≧75% of the carbonyl functional vinyl monomers in the vinyl graft copolymer; and B) a hydrazide functional compound; where the ratio of hydrazide functional groups to carbonyl functional groups in the vinyl graft copolymer is in the range of from 0.1 to 1.5; and where the composition comprises ≦50 wt % of organic co-solvent by weight of the vinyl graft copolymer. | 08-11-2011 |
20110207871 | AQUEOUS DISPERSIONS CONTAINING CRYSTALLISABLE BLOCK COPOLYMERS - An aqueous dispersion comprising a crystallisable vinyl block copolymer-polymer which comprises: i) a vinyl block copolymer comprising at least blocks [A] | 08-25-2011 |
20120035316 | MACROMONOMERS AND GRAFT COPOLYMERS PREPARED BY EMULSION POLYMERIZATION WITH A COBALT CHELATE CHAIN TRANSFER AGENT - Process for preparing a macromonomer using free radical-initiated aqueous emulsion polymerisation in a polymerisation reactor of at least one olefinically unsaturated monomer, which process employs a hydrophobic Co chelate complex as a CTA, a stabilising substance(s) for the emulsion polymerisation process and a monomer feed stage MF; | 02-09-2012 |
20120196143 | ADHESION TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT - An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A] | 08-02-2012 |
20120282212 | AQUEOUS OLIGOMER/POLYMER EMULSION WITH CATIONIC FUNCTIONALITY - An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35. | 11-08-2012 |
20130030118 | PROCESS FOR OBTAINING LOW FREE MONOMER LEVELS IN A BLOCK COPOLYMER EMULSION PREPARED WITH (REVERSE) IODINE TRANSFER POLYMERISATION - A process for obtaining an aqueous emulsion comprising a block copolymer by the solution polymerisation of vinyl monomers to obtain block [B] in the presence of a) a radical precursor; and b) an iodine atom containing block [A]; where block [A] and [B] together comprise 0 to 2 wt % of methacrylic acid; where block [A] and block [B] together comprise ≧2.5 wt % of vinyl monomers bearing ionic or potentially ionic water-dispersing groups not including methacrylic acid; and performing a post polymerisation reaction on the block copolymer emulsion obtained in step II; and wherein said aqueous emulsion has a free vinyl monomer level <1000 ppm when having a solids content of ≧20 wt %. | 01-31-2013 |
20130065070 | AQUEOUS EMULSION - The invention relates to an aqueous emulsion comprising at least a vinyl polymer, said vinyl polymer comprising: a) 45 to 99 wt % of itaconate ester monomers having formula (I), wherein R and R′ are independently an alkyl or an aryl group; b) 0.1 to 15 wt % of ionic or potentially ionic unsaturated monomers; c) 0 to 54 wt % of unsaturated monomers, different from a) and b); and 0.9 to 54.9 wt % by weight of total monomers of a chaser monomer composition added subsequently and polymerised after the polymerisation of monomers a), b) and c); wherein a)+b)+c) and the chaser monomer composition add up to 100%; and wherein the aqueous emulsion contains less than 0.5 wt % free itaconate ester monomers of formula I based on the total weight of the aqueous emulsion. | 03-14-2013 |
20130150528 | WATER-BORNE CROSSLINKABLE BLOCK COPOLYMERS OBTAINED USING RAFT - There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A] | 06-13-2013 |
20130224509 | AQUEOUS OLIGOMER / POLYMER EMULSION WITH CATIONIC FUNCTIONALITY - An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35. | 08-29-2013 |
20140004351 | PROCESS FOR MAKING HIGH-PERFORMANCE POLYETHYLENE MULTIFILAMENT YARN | 01-02-2014 |
20140037837 | BIO-RENEWABLE VINYL BEADS - A process for preparing vinyl polymer beads said process comprising aqueous suspension polymerisation of olefinically unsaturated monomers using a free-radical initiator, wherein at least 20 wt % of the olefinically unsaturated monomers used is derived from at least one bio-renewable olefinically unsaturated monomer. | 02-06-2014 |
20140037975 | ADHESON TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT - An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A] | 02-06-2014 |
20140058031 | AQUEOUS BIO-RENEWABLE VINYL POLYMER COMPOSITION - An aqueous polymer coating composition comprising at least: a vinyl polymer A having a wt average molecular wt Mw within the range of from 1,000 to 150,000 g/mol and an acid value >5 mgKOH/g; and a vinyl polymer B having a molecular wt Mw of at least 80,000 g/mol and an acid value <35 mgKOH/g; wherein I) the wt % of olefinically unsaturated monomers used to form polymer A and polymer B are in the ratio of 5:70 to 95:30 and add up to 100%; II) at least 20 wt % of at least one of polymer A and or polymer B is derived from at least one bio-renewable olefmically unsaturated monomer. | 02-27-2014 |
20140107290 | PROCESS FOR OBTAINING LOW FREE MONOMER LEVELS IN A BLOCK COPOLYMER EMULSION PREPARED WITH (REVERSE) IODINE TRANSFER POLYMERISATION - A process for obtaining an aqueous emulsion comprising a block copolymer by the solution polymerisation of vinyl monomers to obtain block [B] in the presence of a) a radical precursor; and b) an iodine atom containing block [A]; where block [A] and [B] together comprise 0 to 2 wt % of methacrylic acid; where block [A] and block [B] together comprise ≧2.5 wt % of vinyl monomers bearing ionic or potentially ionic water-dispersing groups not including methacrylic acid; and performing a post polymerisation reaction on the block copolymer emulsion obtained in step II; and wherein said aqueous emulsion has a free vinyl monomer level <1000 ppm when having a solids content of ≧20 wt %. | 04-17-2014 |
20140127153 | AQUEOUS OLIGOMER / POLYMER EMULSION WITH CATIONIC FUNCTIONALITY - An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35. | 05-08-2014 |
20140242399 | POLYMER, COMPOSITIONS AND PROCESS FOR PREPARING THEM - 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. | 08-28-2014 |