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Patent Searching and Data


Title:
RUBBER COMPOSITION HAVING COATING AFFINITY AND BELLOWS FOR RAIL CARS
Document Type and Number:
WIPO Patent Application WO/2019/044320
Kind Code:
A1
Abstract:
Provided is a rubber composition having coating affinity comprising mainly component (A), and components (B) and (C) below. Also provided are bellows for rail cars comprising a crosslinked body of the rubber composition having coating affinity. The rubber composition having coating affinity is capable of exhibiting excellent performance as a material for forming rubber products (rubber products such as bellows for rail cars) that require rubber properties including tensile strength and breaking elongation, and durability as well as coating adhesion. (A) An ethylene-propylene-diene rubber (EPDM). (B) A non-hydrogenated liquid butadiene rubber having functional group reactable with an isocyanate group and/or a hydroxyl group. (C) An organic peroxide crosslinking agent.

Inventors:
MURATANI Keiichi (1 Higashi 3-chome, Komaki-sh, Aichi 50, 〒4858550, JP)
Application Number:
JP2018/028448
Publication Date:
March 07, 2019
Filing Date:
July 30, 2018
Export Citation:
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Assignee:
SUMITOMO RIKO COMPANY LIMITED (1 Higashi 3-chome, Komaki-shi Aichi, 50, 〒4858550, JP)
International Classes:
C08L23/16; B61D17/22; C08J7/04; C08K3/22; C08K5/14; C08L15/00; B60D5/00
Foreign References:
JPS5152449A1976-05-10
JP2003213048A2003-07-30
JPS4711135A
JPS63193942A1988-08-11
JP2016030810A2016-03-07
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (City Corp. Minamimorimachi 802, 2-7 Minamimorimachi 2-chome, Kita-ku, Osaka-sh, Osaka 54, 〒5300054, JP)
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