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Patent Searching and Data


Title:
FIBER FOR RUBBER REINFORCEMENT, RUBBER-FIBER COMPOSITE, AND PNEUMATIC TIRE USING SAME
Document Type and Number:
WIPO Patent Application WO/2017/065303
Kind Code:
A8
Abstract:
The present invention provides a fiber for rubber reinforcement and a rubber-fiber composite with which it is possible to improve adhesiveness between the rubber and fiber and thereby further increase durability over a conventional one when used as a reinforcing material, and a pneumatic tire using same. A fiber for rubber reinforcement comprising a core-sheath-type conjugate fiber in which the core part comprises a high melting point resin (A) of 150℃ or higher in melting point, and the sheath part comprises a resin material (B) having a melting point lower than that of the high melting point resin (A). The resin material (B) is formed by including an olefin copolymer composite (X) that includes two or more kinds of olefin polymers selected from a propylene-α-olefin copolymer (C1), a propylene-nonconjugated diene copolymer (C2), an ionomer in which the degree of neutralization by the metal salt of an olefin copolymer including a monomer of unsaturated carboxylic acid or anhydride thereof is 20% or more (C3), and an olefin homopolymer or an olefin copolymer (D) (except (C1) and (C2)).

Inventors:
NAKAMURA MASAAKI (JP)
Application Number:
PCT/JP2016/080624
Publication Date:
May 11, 2018
Filing Date:
October 14, 2016
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
D01F8/06; B60C9/00; B60C13/00
Attorney, Agent or Firm:
HONDA Ichiro (JP)
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