Friction material comprising powdered phenolic resin and method

Details Friction material comprising powdered phenolic resin and method Friction material comprising powdered phenolic resin and method

1993-08-31

1995-09-26

Raimund, Christopher W.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428290, 523149, 523156, 523155, B32B 516

Patent

active

054533171

ABSTRACT:
The present invention relates to a non-asbestos friction material comprising a phenolic or phenolic-modified resin (and in certain embodiments, silicon nitride particles) incorporated into a fibrous base material which is then impregnated with a silicone resin. The friction material is prepared by mixing the phenolic or phenolic-modified resin (and, in certain embodiments, silicon nitride particles) into an aqueous paper formulation, forming a porous fibrous base material, impregnating the fibrous base material with a silicone resin, and heating the impregnated material to cure the phenolic resin and the silicone resin.

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European Search Report--dated Dec. 22, 1994.

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