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

1995-05-26

1996-06-25

Raimund, Christopher W.

Paper making and fiber liberation

Processes and products

With coating after drying

1621644, 162165, D21F 1100

Patent

active

055296661

ABSTRACT:
The present invention relates to the process of making 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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