C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/9043
C08F 226/06 (2006.01) C08F 8/30 (2006.01) C08F 8/32 (2006.01) C08F 8/44 (2006.01)
Patent
CA 2037373
Mo3556 LeA 27,582 AQUEOUS SOLUTIONS OR DISPERSIONS OF HYDROXY-FUNCTIONAL COPOLYMERS AND A PROCESS FOR THEIR PRODUCTION ABSTRACT The present invention relates to aqueous solutions or dispersions of hydroxy-functional copolymers containing imide structural units corresponding to the formula (I), Image The present invention also relates to a process for the production of these aqueous solutions or dispersions of hydroxy-functional copolymers containing imide structural units by reacting anhydride-functional and optionally carboxyl-functional copolymers corresponding to the hydroxy-functional copolymers with aminoalcohols and optionally aminocarboxylic acids. In a further embodiment of the process the hydroxy-functional copolymers may be reacted with lactones resulting in ring opening and the formation of ester groups. Mo3556
Blum Harald
Hohlein Peter
Schneider Volker
Aktiengesellschaft Bayer
Swabey Ogilvy Renault
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