RUBBER−IMPREGNATED FIBER COMPRISING FIBER AND RUBBER INGREDIENT ADHERENT THERETO, PROCESS FOR PRODUCING THE SAME, AND FIBER&sol RUBBER COMPOSITE COMPRISING THE SAME

WIPO Patent Application WO/2003/020802

A1

A fiber&sol rubber composite which is suitable for use as, e.g., a belt in various industrial fields. It comprises fibers and a rubber tenaciously adherent thereto, undergoes no decrease in adhesive strength between the fibers and the rubber even when used at a high temperature for long, and has excellent wearing resistance. Also provided are rubber−impregnated fibers (I) which comprise fibers and, adherent thereto, a rubber ingredient (a) comprising at least 30 wt.% carboxylated nitrile rubber (a−1) containing carboxy groups in an amount of 1x10⁻³ to 5x10⁻¹ mole equivalents per 100g, an iodine value of 100 or lower, and a content of units derived from an &agr ,ß−ethylenically unsaturated nitrile monomer of 10 to 60 wt.%, a vulcanizer (b), and a divalent−metal compound (c). The fiber&sol rubber composite is obtained by superposing a rubber base (II) comprising a rubber vulcanizable with the vulcanizer (b) on the rubber−impregnated fibers (I) and vulcanizing the assemblage.

NOMOTO HIROFUMI (JP)
TSUKADA AKIRA (JP)
FUJITA SHIGERU (JP)

PCT/JP2002/008635

March 13, 2003

August 28, 2002

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ZEON CORP (JP)
NOMOTO HIROFUMI (JP)
TSUKADA AKIRA (JP)
FUJITA SHIGERU (JP)

F16G1/08; C08J5/04; C08K3/22; C08K5/00; C08L13/00; D06M15/31; D06M15/693; (IPC1-7): C08J5/04; C08L9/04

WO1998044035A1

1998-10-08

JPH06286015A	1994-10-11
EP0704508A1	1996-04-03
EP0747458A1	1996-12-11
JPH10279734A	1998-10-20
EP0452488A1	1991-10-23
JPH11140404A	1999-05-25
JP2002235806A	2002-08-23

Wada, Yasuro c/o ZEON CORPORATION (6-1 Marunouchi 2-chom, Chiyoda-ku Tokyo, JP)

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