Elastomer compositions with superior low temperature...

Details Elastomer compositions with superior low temperature... Elastomer compositions with superior low temperature...

C - Chemistry, Metallurgy

08

L

15/30, 400/4905,

C08L 23/16 (2006.01) C08K 3/04 (2006.01) C08L 23/02 (2006.01) C08L 91/00 (2006.01)

Patent

CA 1309535

-32- Abstract of the Disclosure This invention relates to an environmentally durable composition which has superior 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, at least 20 parts by weight of particularly defined polyalphaolefin oil and, preferably, particularly defined paraffinic oil and/or naphthenic oil. Inclusion of the polyalphaolefin oil in the composition improves the low temperature dynamic properties and processability of the elastomer, which are further improved by inclusion of naphthenic oil and/or paraffinic oil therein. Particulate graphite may be incorporated into the composition to lower its friction.

579935

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