Patent ID: 7358306
Filing Date: 2008-04-15
Classification: C08G

Abstract:
1. Cured manufactured articles obtained from compositions comprising: hydrogen-containing rubbers, a curing agent, and curable perfluoropolyether polyurethanes obtained by reaction among the following compounds a) perfluoropolyether diols having a number average molecular weight from 2,000 to 5,000; b) diisocyanates of formula  wherein R is a hydrogen-containing and/or fluorinated radical; c) hydrogen-containing diols selected from one or more of the following: c c c  wherein nb is an integer from 1 to 12 and nb′ is an integer and is 0 or 1; c  wherein v′ and v″ are numbers higher than 1, such that v′+v″ is a number comprised between 2 and 10; c c c with the proviso that: when diisocyanate b) is used wherein R in formula (VIA) is different from —Ph—CH