Elastomeric compositions containing fluoropolymer blends

Details Elastomeric compositions containing fluoropolymer blends Elastomeric compositions containing fluoropolymer blends

C - Chemistry, Metallurgy

08

L

C08L 27/12 (2006.01) C08J 3/24 (2006.01) C08J 5/00 (2006.01) C08J 11/04 (2006.01) C08L 15/02 (2006.01) C08L 27/16 (2006.01) C08L 27/18 (2006.01) C08L 27/20 (2006.01)

Patent

CA 2501594

Processable rubber compositions contain a vulcanized fluorocarbon elastomer dispersed in a thermoplastic matrix comprising a fully fluorinated polymer and a partially fluorinated polymer. The processing temperature is below the melting point of the fully fluorinated polymer. The compositions are made by combining a curative, uncured fluorocarbon elastomer, a fully fluorinated thermoplastic, and a partially fluorinated thermoplastic material, and heating the mixture at a temperature and for a time sufficient to effect vulcanization of the elastomeric material, while mechanical energy is applied to mix the mixture during the heating step. Shaped articles such as seals, gaskets, O- rings, and hoses may be readily formed from the rubber compositions according to conventional thermoplastic processes such as blow molding, injection molding, and extrusion.

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