Patent · US Expired

Elastomeric composition of EPDM and ethylene-nitrile polymers

US4743656A · kind A · utility

3Cited by
1References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 12, 1985
Grant dateMay 10, 1988
Priority date
Expiry dateDec 12, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L91/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Elastomeric compositions produced by curing a blend of (A) ethylene/alphaolefin/nonconjugated polyene terpolymer; and (B) acrylonitrile/conjugated diene copolymer, utilizing a curing agent comprising sulfur, a sulfur cure accelerator and a peroxide curative exhibit desirable properties. Also disclosed is a process for preparing such elastomers.

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