LATEX FOR FRICTION MATERIAL, AND FRICTION MATERIAL

Title:

LATEX FOR FRICTION MATERIAL, AND FRICTION MATERIAL

Document Type and Number:

WIPO Patent Application WO/2016/104350

Kind Code:

A1

Abstract:

Provided is a latex for a friction material containing rubber particles that comprise carboxyl-group-containing highly saturated nitrile rubber containing α,β-ethylenic unsaturated nitrile monomer units in a proportion of 10-60 wt% and having an iodine value of 120 or less, wherein the latex for a friction material is characterized in that the difference Δd(Δd = d90 - d50) between the 90% volume-cumulative particle diameter (d90) and the 50% volume-cumulative particle diameter (d50) of the rubber particles, as measured by a light-scattering method, is 0.0240 μm or greater.

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Inventors:

INOUE SAYAKA (JP)
NAKASHIMA TOMONORI (JP)

Application Number:

PCT/JP2015/085465

Publication Date:

June 30, 2016

Filing Date:

December 18, 2015

Export Citation:

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Assignee:

ZEON CORP (JP)

International Classes:

C09K3/14; C08L13/02; C08L101/08; F16D69/02

Foreign References:

JPS60184533A	1985-09-20
JPS5611981A	1981-02-05
JPS61174289A	1986-08-05
JPS5466950A	1979-05-29

Other References: