C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 271/20 (2006.01) B01J 27/24 (2006.01) C07C 271/24 (2006.01) C07D 295/13 (2006.01) C07D 295/14 (2006.01) C08G 18/16 (2006.01) C08G 18/18 (2006.01)
Patent
CA 2052048
Mo-3632 LeA 27,919 NEW URETHANES, A PROCESS FOR THEIR PREPARATION AND THEIR USE AS CATALYSTS FOR THE ISOCYANATE POLYADDITION PROCESSES ABSTRACT OF THE DISCLOSURE New urethanes of the general formulae Image (I) and/or Image (II) in which R1 represents H or CH3; R2 and R3 are identical or different and each represent a C1-C10-alkyl radical or together represent a C2-C1O-alkylene radical which can be interrupted by hetero atoms such as 0 or NR4 (R4 = C1-C6-alkyl), and A is an optionally branched C1-C10-alkylene radical or a C5-C10-cycloalkylene radical, excluding the compounds where R1 = H, R2 and R3 = CH3 and A = -(CH2)3-, and mixtures thereof have been found to be useful as catalysts for the isocyanate polyaddition process. Mo3632
Heilig Gerhard
Kirchmeyer Stephan
Muller Hanns-Peter
Wiedermann Rolf
Aktiengesellschaft Bayer
Heilig Gerhard
Kirchmeyer Stephan
Muller Hanns-Peter
Swabey Ogilvy Renault
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