Polyamide-rubber blended composition

Details Polyamide-rubber blended composition Polyamide-rubber blended composition

C - Chemistry, Metallurgy

08

L

400/3018, 400/46

C08L 77/00 (2006.01) C08L 9/02 (2006.01) C08L 71/00 (2006.01) C08L 71/03 (2006.01)

Patent

CA 1223997

ABSTRACT OF THE DISCLOSURE The present invention describes a polyamide- rubber blended composition having improved resistance to ozone, stress whitening and gasoline prepared by mixing together with heating the following components: (a) from 70 to 20 volume percent of a rubber composition consisting of: (i) 30 to 70 volume percent of an acrylonitrile-butadine copolymer rubber containing at least 0.8 weight percent of an epoxy group in the polymer, and (ii) 30 to 80 volume percent of an epichlorohydrin rubber; (b) 30 to 80 volume percent of a polyamide resin; and (c) at least 0.15 parts by weight of a carboxylic acid having a functional group calculated in terms of the weight of the carboxyl group per 100 parts by weight of the rubber composition of component (a).

466586

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