C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 167/02 (2006.01) C08G 63/688 (2006.01) C08G 63/692 (2006.01) C09D 167/00 (2006.01)
Patent
CA 2085326
91/F 398 J Abstract Aqueous filler composition Aqueous filler composition comprising a polyester resin, which is built up of the educts (a), (b), (c), (d) and (e) or their ester forming derivatives, the sum of the reactants corresponding to 100 mol-% and the ratio of the sum of the hydroxyl equivalents (eg OH) to the sum of the carboxyl equivalents in the reactants being between 0.5 and 2.0, where (a) is at least one dicarboxylic acid which is not a sulfo or phosphorus monomer, (b) is 0 to 15 mol-% of at least one difunctional sulfo or phosphono monomer, the functional groups of which are carboxyl and/or hydroxyl groups, having at least one sulfonate or phosphonate group, (c) is at least one difunctional compound which is derived from a glycol containing two -C(R)2-OH groups, (d) is up to 40 mol-% of a higher functional compound (functionality > 2), the functional groups of which comprise hydroxyl and/or carboxyl groups, and (e) is 0 to 20 mol-% of a monofunctional carboxylic acid, it being possible for the radicals R in (c) independently of one another to be hydrogen, C1-C4-alkyl or C6-C10-aryl, the amounts of free hydroxyl groups being between 30 and 350 milliequivalents OH/100 g, preferably between 100 and 250 meq (OH)/100 g, and the content of free neutralized and/or neutralizable acid groups, in particular sulfonic acid groups, phosphonic acid groups and carboxylic acid groups, being between 5 and 350 meq acid groups/100 g, preferably between 9 and 120 meq acid groups/100 g.
Exner Reiner
Kuhn Ute
Schwab Michael
Zoeller Joachim
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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