Friction particle for brake lining

Details Friction particle for brake lining Friction particle for brake lining

1974-12-23

1976-06-29

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 19R, 260 19A, 260 39R, 260 39SB, 260 515, 260838, 260840, 260DIG39, C08G 3718, C08G 5110

Patent

active

039666700

ABSTRACT:
A friction particle, useful in applications where cashew nut shell oil friction particles have been used, may be prepared by the reaction at a temperature from about 225.degree. to about 400.degree. Fahrenheit of a non-oxyalkylated resole with resin selected from the group consisting of an oxyalkylated resole, an alkylated resole, an alkylated novolac, an oxyalkylated novolac, and mixtures thereof until it is insoluble, infusible, and does not soften slightly under mechanical force at temperatures below about 400.degree. Fahrenheit, and has substantially no cohesive or bonding strength.

REFERENCES:
patent: 2985614 (1961-05-01), Bright
patent: 3207652 (1965-09-01), Shannon
patent: 3410718 (1968-11-01), Smith
patent: 3658751 (1972-04-01), Grazen et al.
patent: 3709849 (1973-01-01), Lemon

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