Back to results
US 4,374,952 AGranted
Nitrile rubber/EPDM graft blends
AssigneeUniroyal, Inc.
InventorsCharles D. Shedd, Allen L. Stone
Life of this patent
Estimating the term…
Abstract
A polymer composition comprising a blend of NBR elastomer with EPDM grafted with acrylonitrile or acrylonitrile copolymer, imparts oil and ozone resistance to the blend.
Claims15
A polymer blend composition which comprises:
- (A) a butadiene-acrylonitrile copolymer elastomer;
- and
- (B) a graft polymer comprising
- (1) an EPDM substrate, onto which has been grafted a superstrate which is
- (2) an acrylonitrile resin,
- wherein the weight ratio of (A) to (B) is about 95:5 to 5:95.
3 more elements
Dependencies are inferred from the claim text.