C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/446.5
C07F 7/10 (2006.01) C08G 18/30 (2006.01) C08G 18/71 (2006.01) C08G 18/77 (2006.01)
Patent
CA 2015043
Mo3350 LeA 26,871 PREPOLYMERS CONTAINING ESTER AND ISOCYANATE GROUPS AND A PROCESS FOR THEIR PRODUCTION ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the production of prepolymers containing ester and isocyanate groups by reacting a) isocyanatocarboxylic acid chlorides with b) organic compounds which contain at least two silylated hydroxyl groups, contain only 0-silylated hydroxyl groups and are otherwise inert to isocyanate and chlorocarbonyl groups under the reaction conditions, and are based on polyhydroxyl compounds having a molecular weight of 400 to about 20,000. The present invention also relates to the prepolymers containing ester and isocyanate groups obtained by this process. Mo3350
Nachtkamp Klaus
Pedain Josef
Schmalstieg Lutz
Aktiengesellschaft Bayer
Nachtkamp Klaus
Pedain Josef
Schmalstieg Lutz
Swabey Ogilvy Renault
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