Title:
TIRE CONSTITUENT HAVING ENHANCED TEAR STRENGTH
Document Type and Number:
Japanese Patent JP2016104872
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a vulcanizable composition exhibiting enhanced tear strength and useful for being used for manufacturing a tire.SOLUTION: There are provided a vulcanizable composition containing a vulcanized rubber and a polypropylene homopolymer of 35 pts.wt. or less based on 100 pts.wt. of the rubber, where the polypropylene homopolymer has an isotactic fine structure and purity thereof relates to a catalyst used in a polymer synthesis, having weight average molecular weight (Mw) of 80,000 to 500,000 and molecular distribution (Mw/Mn) of less than 4.5 and a tire obtained by using the composition.SELECTED DRAWING: None
Inventors:
LIN CHEN-CHY
HAMADA TATSURO
HAMADA TATSURO
Application Number:
JP2015253196A
Publication Date:
June 09, 2016
Filing Date:
December 25, 2015
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
C08L23/12; B60C1/00; C08K3/04; C08K3/36; C08K5/092; C08L15/00; C08L21/00
Domestic Patent References:
| JPS4818569B1 | 1973-06-07 | |||
| JPS63256636A | 1988-10-24 | |||
| JPS6361036A | 1988-03-17 | |||
| JPS6072940A | 1985-04-25 | |||
| JPH0790129A | 1995-04-04 | |||
| JPS5645936A | 1981-04-25 | |||
| JPS4818569B1 | 1973-06-07 | |||
| JPS63256636A | 1988-10-24 | |||
| JPS6361036A | 1988-03-17 | |||
| JPS6072940A | 1985-04-25 | |||
| JPH0790129A | 1995-04-04 |
Attorney, Agent or Firm:
Patent business corporation Odashima patent office