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Patent Searching and Data


Title:
湿式摩擦材
Document Type and Number:
Japanese Patent JP4005350
Kind Code:
B2
Abstract:
A resin for use in manufacturing wet friction materials which contributes to enhancing durability of manufactured wet friction materials, a manufacturing method thereof, and a wet friction material having excellent durability are provided. The resin for use in manufacturing wet friction materials can be obtained by reacting phenols with aldehydes in the presence of at least one basic catalyst, which contains a water-soluble phenolic resin as a main component. Further, the manufacturing method of the resin for wet friction materials includes a step of reacting phenols with aldehydes in the presence of at least one basic catalyst to obtain a water-soluble phenolic resin having a predetermined water percentage. Furthermore, the wet friction material is manufactured by impregnating a base material with the resin for wet friction materials.

Inventors:
Hiroshi Aiwa
Masahiro Mori
Application Number:
JP2001381205A
Publication Date:
November 07, 2007
Filing Date:
December 14, 2001
Export Citation:
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Assignee:
Sumitomo Bakelite Co., Ltd.
NSK Warner Co., Ltd.
International Classes:
C08J5/14; F16D13/62; C08G8/04; C08G8/10; C08G8/28; F16D69/02
Domestic Patent References:
JP2001253924A
JP10279720A
Attorney, Agent or Firm:
Tatsuya Masuda
Kazuo Asahi