C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/63 (2006.01) C08F 279/02 (2006.01) C08G 18/79 (2006.01) C08L 51/00 (2006.01) C09D 151/04 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2210209
The present invention relates to binder compositions containing A) 40 to 95 parts by weight of OH-functional graft copolymer resins prepared by copolymerizing a) 0.1 to 10 parts by weight of polybutadienes containing at least 20% of 1,2-vinyl groups, b) 5 to 30 parts by weight of aliphatic .alpha.-olefins, c) 0.1 to 35 parts by weight of glycidyl esters of .alpha.-alkylalkane- monocarboxylic acids, d) 10 to 70 parts by weight of unsaturated, aromatic monomers, e) 5 to 60 parts by weight of hydroxyalkyl esters of acrylic and/or methacrylic acid having primary hydroxyl groups, f) 0 to 50 parts by weight of (cyclo)aliphatic esters of acrylic and/or methacrylic acid, g) 0.1 to 20 parts by weight of .alpha.,.beta.-mono-olefinically unsaturated monocarboxylic or dicarboxylic acids and/or maleic acid or fumaric acid semi-esters and h) 0 to 30 parts by weight of other copolymerizable compounds and B) 5 to 60 parts by weight of polyfunctional crosslinking resins, wherein 1 to 30% by weight of the OH groups of the component A) are secondary OH groups. The present invention also relates to the use of these binder compositions for vehicle coatings, in particular automotive refinish coatings and large vehicle coatings, for wood and furniture coatings, general industrial coatings, and for coatings that provide corrosion protection.
Margotte Dieter
Sonntag Michael
Wamprecht Christian
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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