NBR gels in butyl rubber compounds

US6620886B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Werner Obrecht · Moers, DE
• Anthony Sumner · Recklinghausen, DE

Key dates

• Filing date: Dec 4, 2001
• Grant date: Sep 16, 2003
• Expiry date: Dec 4, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2312/00
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The rubber mixtures according to the present invention comprising uncrosslinked butyl rubbers and nitrile-containing rubber gels as well as optionally, conventional additives and auxiliary substances, are suitable for the production of vulcanizates and molded rubber bodies of all kind having low gas permeability, low weight and acceptable mechanical properties, the mixtures exhibiting good processability.