C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 7/06 (2006.01) C08F 293/00 (2006.01) C08G 77/442 (2006.01) C09D 183/00 (2006.01) C09D 183/10 (2006.01)
Patent
CA 2432601
The invention relates to the use of block copolymers as levelling agents for surface coatings, having a weight- average molecular weight of from 1000 to 100000. The levelling agent is a linear or branched block copolymer composed of a polysiloxane block and one or more blocks prepared from ethylenically unsaturated monomers by controlled free-radical addition polymerization. The invention also relates to coating compositions which comprise the levelling agent.
Bubat Alfred
Frank Albert
Goebelt Bernd
Haubennestel Karlheinz
Byk-Chemie Gmbh
Goudreau Gage Dubuc
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