Environmentally durable elastomer composition with excellent low

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524491, C08K 501

Patent

active

046457917

ABSTRACT:
This invention relates to an environmentally durable composition which has excellent low temperature dynamic properties. The composition comprises a substantially homogeneous mixture of 100 parts by weight elastomer having a fully saturated backbone, curing agent for the elastomer in amounts sufficient to crosslink the elastomer, reinforcing particulate filler and at least 20 parts by weight of an aliphatic oil. The aliphatic oil modifies the low temperature dynamic properties of the elastomer. Particulate graphite may be incorporated into the composition to lower its friction.

REFERENCES:
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patent: 2035988 (1930-03-01), Seabury et al.
patent: 3080596 (1963-03-01), Symbolik
patent: 3171699 (1965-03-01), Maxey
patent: 3384580 (1968-03-01), Peace
patent: 3794611 (1974-02-01), Brice
patent: 4103385 (1978-08-01), Porter
patent: 4224196 (1980-09-01), Gursky
Ribbed Design Makes Extrusion Possible, Rubber & Plastic News, Jan. 3, 1983, p. 3.
De-smearing Wiper Blades, Morning News, Aug. 5, 1982.

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