N,n'-bis(trans-4-isocyanatocyclohexyl)urea, a process for...

Details N,n'-bis(trans-4-isocyanatocyclohexyl)urea, a process for... N,n'-bis(trans-4-isocyanatocyclohexyl)urea, a process for...

C - Chemistry, Metallurgy

07

C

402/159, 260/455

C07C 275/62 (2006.01) C07C 275/26 (2006.01) C08G 18/46 (2006.01) C08G 18/50 (2006.01) C08G 18/78 (2006.01) C08G 18/80 (2006.01)

Patent

CA 1317307

Mo-3079 LeA 25,619 N,N'-BIS(TRANS-4-ISOCYANATOCYCLOHEXYL)UREA, A PROCESS FOR ITS PREPARATION AND ITS USE ABSTRACT OF THE DISCLOSURE The present invention relates to N,N'-bis- (4-isocyanatocyclohexyl)urea obtained from the reaction with water of cyclohexane-1,4-diisocyanate having a high trans isomer content. This invention further relates to the process for preparing the N,N'-bis(4-isocyanato- cyclohexyl)urea and to its use in the synthesis of polyurethanes. Le A 25 619

580642

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