Title:
ゴム組成物
Document Type and Number:
Japanese Patent JP6790832
Kind Code:
B2
Abstract:
Provided are a rubber composition excellent in air permeation resistance, moldability and durability, a pneumatic tire having an inner liner composed of the rubber composition, and a bladder for vulcanization of a tire composed of the rubber composition. The rubber composition of the present invention comprises a rubber component and a terpene-based resin having a glass-transition temperature of 60°C or lower, in which an air barrier property index indicated by formula (1) below is 110 or more: Air Barrier Property Index = Air Permeation Amount of a Rubber Composition in Comparative Example 1 / Air Permeation Amount of the Rubber Composition × 100
Inventors:
Tatsuya Miyazaki
Application Number:
JP2016568707A
Publication Date:
November 25, 2020
Filing Date:
July 25, 2016
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
C08L21/00; B29C33/02; B60C5/14; C08K3/04; C08K3/22; C08L45/00; C08L101/00
Domestic Patent References:
| JP2010006133A | ||||
| JP2011088998A | ||||
| JP2011088988A | ||||
| JP2011174027A | ||||
| JP2011178820A | ||||
| JP2015501359A | ||||
| JP2014531997A | ||||
| JP2015093928A | ||||
| JP2004224963A | ||||
| JP2011144326A |
Attorney, Agent or Firm:
Asahina Patent Office