C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4301
C08L 75/04 (2006.01) C08F 290/06 (2006.01) C08G 18/08 (2006.01)
Patent
CA 2023633
Mo3418 LeA 27,119 SURFACE-ACTIVE COPOLYMERS AND THEIR USE FOR THE PRODUCTION OF POLYURETHANE POWDERS ABSTRACT OF THE DISCLOSURE The present invention is directed to novel surface active copolymers and the use thereof in the production of polyurethane powders. More particularly, the copolymers comprise have a substantially linear structure and are obtained by copolymerization of A) a partial reaction product of 1) (meth)acrylic acid or a derivative thereof and 2) a macromolecular compound substituted by at least two functional groups selected from OH and NH2, the functional groups not reacted with A1) being irreversibly blocked, with B) a urethane of 1) a long-chain alkyl isocyanate and 2) a hydroxyalkyl (meth)acrylate. Mo3418
Dhein Rolf
Hassel Tillmann
Kipphardt Helmut
Muller Hanns-Peter
Vernaleken Hugo
Aktiengesellschaft Bayer
Swabey Ogilvy Renault
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