Elastomeric blends

Details Elastomeric blends Elastomeric blends

1989-10-16

1991-09-24

Lieberman, Allan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524506, 524520, 524523, 525230, C08L 902, C08L 1300, C08L 1502

Patent

active

050514806

ABSTRACT:
Compositions of acrylic rubber and another rubber which can be nitrile rubber, hydrogenated nitrile rubber, fluoroelastomer, silicon rubber, or fluorosilicone rubber are described, in which the acrylic rubber can be uncured or at least partially crosslinked. The compositions are millable and processable and, by the addition of curatives for the nitrile rubber, hydroganted nitrile rubber, fluoroelastomer, siloicone rubber, or fluorosilicone rubber, can be further crosslinked to become vulcanizates which exhibit excellent resistance to the effects of hot air, hot oil, and ozone. The acrylic rubber is a copolymers from alkyl acrylate monomer which copolymer contains no crosslinking sites other than acrylate ester sites, and can be crosslinked by reaction with a paraffinic alcohol.

REFERENCES:
patent: 3873494 (1975-03-01), Lewis
patent: 4286023 (1981-08-01), Ongchin
patent: 4591615 (1986-05-01), Aldred et al.
patent: 4656219 (1987-04-01), Oyama et al.
patent: 4687810 (1987-08-01), Coran
patent: 4725637 (1988-02-01), Fernyhough et al.
Blends of Polyacrylate Rubber . . . 1. Antal et al. Int'l Pol. Sci. & Technol. 5 11 (1978).

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