Copolymers crosslinking at room temperature

US5350823A · kind A · utility

Assignee

• BASF SE

Inventors

• Karl Haeberle · Speyer, DE
• Gerhard Bauer · Düsseldorf, DE
• Lothar Maempel · Zeven, DE

Key dates

• Filing date: Oct 14, 1993
• Grant date: Sep 27, 1994
• Expiry date: Oct 14, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D133/062
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Copolymers are composed of PA1 a) from 0.01 to 40% by weight of a copolymerized ethylenically unsaturated compound having at least one isocyanate group blocked with an oxime, PA1 b) from 30 to 99.99% by weight of at least one C.sub.1 -C.sub.20 -alkyl (meth)acrylate, one vinyl ester of carboxylic acids of 1 to 20 carbon atoms, one vinylaromatic of up to 20 carbon atoms, one ethylenically unsaturated nitrile of 3 to 6 carbon atoms, one vinyl halide or one nonaromatic hydrocarbon of 4 to 8 carbon atoms having at least 2 conjugated double bonds, PA1 c) from 0 to 30% by weight of at least one comonomer having at least one keto or aldehyde group and PA1 d) from 0 to 50% by weight of at least one further monomer.