Automotive weather stripping

Details Automotive weather stripping Automotive weather stripping

1997-11-14

1999-10-19

Mulcahy, Peter D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524269, 524268, 524424, 524495, C08J 516

Patent

active

059690224

ABSTRACT:
The invention concerns a silicone-modified EPDM modified with a freeze release additive of a fatty acid amide and/or optionally, graphite having at least 85% carbon, and compounded and co-extruded onto the surface of elastomeric sponge automotive weatherstripping thereby forming a permanent skin surface on the sponge material. The resulting material has improved and desirable freeze-release and coefficient of friction properties. These improved properties eliminate the need for currently used spray coatings, resulting in manufacturing cost savings and more durable surface.

REFERENCES:
patent: 4720518 (1988-01-01), Chihara
patent: 4968469 (1990-11-01), White
patent: 5017429 (1991-05-01), Akao
Unichem International-Product Brochure (Dec. 1986), Dec. 1988.

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