Title:
RUBBER COMPOSITION AND MOLDING CONTAINING THE SAME
Document Type and Number:
Japanese Patent JP2023051117
Kind Code:
A
Abstract:
To provide a rubber composition excellent in processability and filler dispersibility, and a molding containing the composition.SOLUTION: The present invention relates to the rubber composition containing 100 pts.mass of a rubber (A) and 1-400 pts.mass of a modified ethylene/α-olefin copolymer (B) satisfying requirements (b-1)-(b-3): (b-1) the content of a structural unit derived from ethylene is in the range of 15-85 mol% [provided that the total content of the structural unit derived from ethylene and a structural unit derived from an α-olefin is 100 mol%]; (b-2) the weight average molecular weight (Mw) determined by gel permeation chromatography (GPC) is in the range of 1,000-100,000; and (b-3) it is a modified copolymer having a substituent derived from a compound having a carbon-carbon unsaturated bond, and the content of a moiety derived from the compound having a carbon-carbon unsaturated bond in the modified copolymer is in the range of 1-70 mass%.SELECTED DRAWING: None
Inventors:
YOSHIDA YUTO
TAKESHIMA ATSUSHI
WATANABE TAKURO
SHIMAMURA TAKEHIKO
TAKESHIMA ATSUSHI
WATANABE TAKURO
SHIMAMURA TAKEHIKO
Application Number:
JP2021161603A
Publication Date:
April 11, 2023
Filing Date:
September 30, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC
International Classes:
C08L21/00; B60C1/00; C08F4/6592; C08F8/46; C08F255/04; C08K3/013; C08L23/26; C08L51/06
Attorney, Agent or Firm:
Patent Attorney Corporation SS International Patent Office