Title:
NOVEL RUBBER MODIFIER
Document Type and Number:
Japanese Patent JP2023044708
Kind Code:
A
Abstract:
To provide a rubber modifier that gives a rubber composition high hardness and low tangent loss (tanδ), and enables both of high drivability and low fuel economy in a pneumatic tire including such a rubber composition.SOLUTION: A rubber modifier includes a predetermined silicon-containing compound including a fatty acid residue of rosin-derived fatty acid. More preferably, the fatty acid residue of rosin-derived fatty acid is preferably at least one fatty acid residue selected from the group consisting of abietic acid, neoabietic acid, dehydroabietic acid, pimaric acid, isopimaric acid, palustric acid, levopimaric acid and communic acid.SELECTED DRAWING: None
Inventors:
HARA TAKAHARU
Application Number:
JP2021152740A
Publication Date:
March 31, 2023
Filing Date:
September 20, 2021
Export Citation:
Assignee:
IREC CO LTD
International Classes:
C07F7/08; B60C1/00; C08L21/00; C08L93/04; C09F1/00
Attorney, Agent or Firm:
Fuminori Shinozaki
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