Title:
RUBBER COMPOSITION FOR SEALANT, AND PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2022038308
Kind Code:
A
Abstract:
To provide a rubber composition for sealant that has excellent fracture characteristics and has excellent sealability after long-term deterioration, and a pneumatic tire (sealant tire) prepared using the same.SOLUTION: A rubber composition for sealant contains, relative to 100 pts.mass of a butyl rubber, a thiourea crosslinker of 0.5-3 pts.mass, a thiazole-based vulcanization accelerator and/or thiuram-based vulcanization accelerator of 1-10 pts.mass, and liquid polymers of 100-300 pts.mass.SELECTED DRAWING: Figure 4
Inventors:
MATSUMOTO NORIHIRO
MATSUI TOMOYA
MATSUI TOMOYA
Application Number:
JP2020142737A
Publication Date:
March 10, 2022
Filing Date:
August 26, 2020
Export Citation:
Assignee:
SUMITOMO RUBBER IND
International Classes:
C08L101/12; B29C73/20; B29C73/22; B60C1/00; B60C19/12; C08K5/14; C08L23/20; C08L23/22; C08L61/06
Attorney, Agent or Firm:
Patent Business Corporation Yasutomi International Patent Office
Previous Patent: Rubber composition for sealant, pneumatic tire
Next Patent: Rubber composition for sealant, pneumatic tire
Next Patent: Rubber composition for sealant, pneumatic tire