Patent · US Expired

Heat-resistant polyorganosiloxane composition

US4824903A · kind A · utility

9Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1986
Grant dateApr 25, 1989
Priority date
Expiry dateDec 2, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/70
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A heat-resistant silicone rubber is obtained from a composition of a vinyl-containing polyorganosiloxane, a hydrogenpolyorganosiloxane, a platinum-containing catalyst, carbon black, and an acetylacetone salt of a metal wherein the metal can be copper, zinc, aluminum, iron, cerium, zirconium, or titanium. The silicone rubber can maintain its rubber properties at temperatures of 350.degree. C. for prolonged periods of time.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.