Ethylene-alkyl acrylate copolymer rubber composition

Details Ethylene-alkyl acrylate copolymer rubber composition Ethylene-alkyl acrylate copolymer rubber composition

2005-06-20

2008-10-14

Lipman, Bernard (Department: 1796)

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...

C524S523000, C525S194000, C525S208000, C525S222000, C525S223000

Reexamination Certificate

active

07435778

ABSTRACT:
An ethylene-alkyl acrylate copolymer rubber composition, which comprises 100 parts by weight of ethylene-alkyl acrylate copolymer rubber having an amine vulcanizable group, 0-60 parts by weight of EPDM, 5-40 parts by weight of a plasticizer, 0.5-4 parts by weight of an organic peroxide cross-linking agent, 0.5-4 parts by weight of an amine-based cross-linking agent, and preferably 0.1-0.5 parts by weight of a sulfur compound. Oil extended EPDM can be used in place of EPDM or EPDM and the plasticizer. Use of 1-30 parts by weight of α-olefin oligomer together with 5-50 parts by weight of EPDM can improve the processability (non-adhesion of product itself to a mold or prevention of bleed occurrence).

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