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Friction material

  • US 10,458,500 B2
  • Filed: 12/02/2014
  • Issued: 10/29/2019
  • Est. Priority Date: 12/24/2013
  • Status: Active Grant
First Claim
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1. A friction material which is a non-asbestos-organic friction material utilized for a disc brake pad, which is manufactured by forming a non-asbestos organic friction material composition that does not contain a copper component, whereinsaid friction material composition contains4-12 weight % of a binder relative to the total amount of the friction material composition, said binder consists of one or any combination of two or more items selected from the group consisting of a straight phenolic resin, a cashew oil modified phenolic resin, a silicone oil modified phenolic resin, an elastomer modified phenolic resin, an aralkyl modified phenolic resin, an elastomer dispersed phenolic resin, and a fluoropolymer dispersed phenolic resin,7-35 weight % of a titanate relative to the total amount of the friction material composition,0.5-10 weight % of a resilient graphitic carbon particle relative to the total amount of the friction material composition as a carbon type lubricant,1-15 weight % of a ferrous sulfide relative to the total amount of the friction material composition as a metal sulfide type lubricant, and1-10 weight % of an inorganic friction modifier, said modifier is one or any combination of two or more items selected from the group consisting of an alloy particle mainly containing aluminum, and an alloy fiber mainly containing aluminum relative to the total amount of the friction material composition as an inorganic friction modifier.

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