Process for the production of friction materials

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...

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Bibliographic Details
Main Authors TOKUMURA, HIROSHI, KAMIOKA, NOBUO, SAKAMOTO, HITOSHI, KOJIMA, TAKASHI
Format Patent
LanguageEnglish
French
German
Published 05.05.1993
Subjects
ADHESIVES
BLASTING
BRAKES
CHEMISTRY
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
DYES
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary: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 DEG C. The friction material produced exhibits consistent friction characteristics over a broad temperature range.
Bibliography:Application Number: EP19920309899