Process for the production of friction materials

Details Process for the production of friction materials Process for the production of friction materials

1992-10-28

1994-01-18

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

With carbonizing, then adding carbonizable material and...

264 296, 264 297, 264 85, 264325, 264345, 4234491, B29C 4356, C01B 3102

Patent

active

052797775

ABSTRACT:
A process for producing a friction material under low-temperature conditions using, as a reinforcement, one or more fibers selected from a metal fiber, an organic fiber and an inorganic fiber and, as a binder, a compounded pitch that consists of a mesophase pitch and sulfur and/or an aromatic nitro compound. The content of an optically anisotropic phase in the mesophase pitch is at least 80% and the softening point of the mesophase pitch is not higher than 270.degree. C. The friction material produced exhibits consistent friction characteristics over a broad temperature range.

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patent: 4923661 (1990-05-01), Russo

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