Patente US5385980 - Curable halobutyl rubber/poly-epihalohydrin rubber blends

A curable halobutyl rubber/polyepihalohydrin rubber blend comprises a cure system consisting essentially of (a) sulfur, (b) sulfur accelerator, (c) zinc-containing promoter, (d) urea or urea derivative vulcanization accelerator and, optionally, (e) di- or tri-mercapto nonsulfur curative such as 2,4,6-trimercapto-1,3,5-triazine....http://www.google.es/patents/US5385980?utm_source=gb-gplus-sharePatente US5385980 - Curable halobutyl rubber/poly-epihalohydrin rubber blends

Patentes

Curable halobutyl rubber/poly-epihalohydrin rubber blends