Wet friction material

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United States of America Patent

PATENT NO 8932713
APP PUB NO 20130202903A1
SERIAL NO

13818888

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Abstract

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The wet friction material of the present invention is obtained by impregnating a friction base material with a bonding resin composition comprising a resol phenolic resin and a maleinized drying oil and curing the resulting material. The maleinized drying oil is obtained by reacting a drying oil such as tung oil or linseed oil with anhydrous maleic acid. The content thereof is preferably 50 to 250 parts by weight, based on 100 parts by weight of the resol phenolic resin. The wet friction material of the present invention has a high static friction coefficient and excellent durability.

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Patent Owner(s)

  • AICA SDK PHENOL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asakawa, Kenta Gunma, JP 1 2
Ono, Noriyoshi Gunma, JP 1 2

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