Patent · US Expired

Polyamide-rubber blend composition

US4661563A · kind A · utility

7Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 1984
Grant dateApr 28, 1987
Priority date
Expiry dateMar 13, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L77/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polyamide-rubber blend composition is disclosed. The composition is prepared by mixing the following components (a) and (b) under heating in the presence of a crosslinking agent. PA1 (a) 70 to 40 vol % of a rubber composition made of 5 to 40 vol % of an acrylonitrile-butadiene copolymer rubber and 95 to 50 vol % of an epichlorohydrin rubber; and PA1 (b) 30 to 60 vol % of a polyamide resin, the gel fraction of the rubber composition (a) in the blend composition is at least 70 wt %. The acrylonitrile-butadiene copolymer rubber of the composition preferably contains not less than 1.5 wt % of a carboxyl group in the polymer.

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