1,4-BIS- (4-ISOCYANATOPHENOXY) -BENZOLE, A METHOD FOR THE PRODUCTION THEREOF AND THEIR USE IN THE PRODUCTION OF POLYURETHANE PLASTICS

摘要

1. 1,4-Bis-(4-isocyanatophenoxy)-benzenes corresponding to the following general formula see diagramm : EP0244727,P6,F5 in which R**1 and R**2 may be the same or different and represent a hydrogen atom or a methyl group.