C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/28 (2006.01) C08F 257/02 (2006.01) C08F 265/04 (2006.01) C08F 265/06 (2006.01) C08F 291/00 (2006.01) C08G 18/62 (2006.01) C08G 18/70 (2006.01) C08G 18/78 (2006.01) C09D 133/14 (2006.01) C09D 151/00 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2296828
The present invention relates to a hydroxy-functional copolymer P, which is present as a dispersion and/or solution in water, and is obtained by successively carrying out process steps A - D: A) initially introducing a hydrophobic polymer containing hydroxyl groups into a reaction vessel, B) introducing an initiator component into that vessel, C) subsequently polymerizing a hydrophobic monomer mixture containing hydroxyl groups in that vessel and D) subsequently polymerizing a hydrophilic monomer mixture containing hydroxyl and acid groups in that vessel. The present invention also relates to a process for the preparation of copolymers P following the procedure previously set forth and to coating compositions containing these copolymers P and one or more crosslinking agents.
Bachmann Rolf
Blum Harald
Hovestadt Wieland
Melchiors Martin
Noble Karl-Ludwig
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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