Aqueous filler composition

US5436312A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Reiner Exner · Bad Dürkheim, DE
• Michael Schwab · Neuötting, DE
• Ute Kuhn · Niedernhausen, DE
• Joachim Zoeller

Key dates

• Filing date: Sep 15, 1994
• Grant date: Jul 25, 1995
• Expiry date: Sep 15, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D167/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

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 PA1 (a) is at least one dicarboxylic acid which is not a sulfo or phosphorus monomer, PA1 (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, PA1 (c) is at least one difunctional compound which is derived from a glycol containing two --C(R).sub.2 --OH groups, PA1 (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 PA1 (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, C.sub.1 -C.sub.4 -alkyl or C.sub.6 -C.sub.10 -aryl, the amounts of free hydroxyl groups being between 30 and 350 milliequivalents OH/1…