C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 143/04 (2006.01) C09D 151/08 (2006.01) C09D 155/00 (2006.01)
Patent
CA 2110037
Coating agents based on polymers containing carboxyl groups and on epoxy resins Abstract The present invention relates to a coating agent, which is characterized in that it comprises A) at least one acrylate copolymer (A) which contains carboxyl groups and is obtainable by solution polymerization using less than 5 % by weight, based on the total weight of the monomers employed for the preparation of copolymer (A), of one or more poly- siloxane macromonomers a1 having a number-average molecular weight of 1000 to 40,000 and on average 0.5 to 2.5 ethylenically unsaturated double bonds per molecule, and/or B) at least one acrylate copolymer (B) which contains epoxide groups and is obtainable by solution poly- merization using less than 5 % by weight, based on the total weight of the monomers employed for the preparation of copolymer (B), of one or more poly- siloxane macromonomers al and [sic] a number-average molecular weight of 1000 to 40,000 and on average 0.5 to 2.5 ethylenically unsaturated double bonds per molecule, C) if appropriate one or more further addition and/or condensation resins containing carboxyl groups and D) if appropriate one or more further epoxy resins.
Brunnemann Michael
Engelke Stephan
Holst Andreas
Rotter Olaf
Basf Lacke + Farben Aktiengesellschaft
Fetherstonhaugh & Co.
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