Nitrile rubber/EPDM graft blends

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525 66, 525 69, 525 72, 525 76, 525 78, 525 84, 525 86, 525 87, C08L 5100, C08L 5104, C08L 3320

Patent

active

043979874

ABSTRACT:
Oil resistant, ozone resistant polymer blends are prepared by blending an Acrylonitrile/Butadiene polymer with an EPDM polymer which has had grafted onto it a polymer prepared by polymerizing onto the backbone a methacrylate monomer. The preferred EPDM graft polymer is a methylmethacrylate grafted onto the EPDM backbone.

REFERENCES:
patent: 3489821 (1970-01-01), Witt et al.
patent: 3538192 (1970-11-01), Bishop
patent: 3897405 (1975-07-01), Son et al.
patent: 3981958 (1976-09-01), Nakashima

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