Title:
RUBBER COMPOSITION FOR FIBER COATING AND PNEUMATIC TIRE USING THE SAME
Document Type and Number:
Japanese Patent JP2014205928
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rubber composition for fiber coating satisfying good adhesiveness with a fiber and high fracture physical properties at the same time while maintaining heat generation property, and also having enhanced blending ratio of natural raw materials, and to provide a pneumatic tire using the same.SOLUTION: There is provided a rubber composition for fiber coating prepared by blending 100 pts.mass of a diene rubber containing a natural rubber, 0.5 to 5 pts.mass of a phenol resin obtained by reacting a starch derivative in which starch is esterified, etherified, oxidized and/or crosslinked with a phenol, 1 to 10 pts.mass of a curing agent and 30 to 70 pts.mass of carbon black having a nitrogen adsorption specific surface area (NSA) of 20 to 40 m/g, and there is also provided a pneumatic tire using the rubber composition for the fiber coating for coating a carcass layer and/or a belt layer.
Inventors:
SHIMIZU KATSUNORI
NOMAGUCHI TSUTOMU
NOMAGUCHI TSUTOMU
Application Number:
JP2013082888A
Publication Date:
October 30, 2014
Filing Date:
April 11, 2013
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
D06M15/693; B60C1/00; C08K3/04; C08K5/3492; C08L7/00; C08L9/00; C08L61/14; D06M11/74; D06M15/11
Attorney, Agent or Firm:
Noda 茂