Title:
AN ARTICLE INTENDED TO COME INTO CONTACT WITH THE GROUND, IN PARTICULAR A TIRE
Document Type and Number:
WIPO Patent Application WO/2021/193901
Kind Code:
A1
Abstract:
An article intended to come into contact with the ground, and the article comprising a laminate comprising at least two superposed portions comprising: a first portion (FP) made of a first rubber composition (FC); and a second portion (SP) made of a second rubber composition (SC), and the SP positioned farther from the ground than the FP; wherein the amount in phr of the reinforcing filler in the SC is lower than that in the FC; wherein the second rubber composition (SC) is such that the reinforcing filler predominately comprises a reinforcing inorganic filler; wherein the ratio of the amount in phr of the plasticizing agent to the reinforcing filler in the SC is higher than that in the FC; and wherein the average glass transition temperature of combination of the elastomer matrix and the plasticizing agent in the SC is higher than that in the FC.
Inventors:
MAESAKA MASAYUKI (JP)
Application Number:
PCT/JP2021/012788
Publication Date:
September 30, 2021
Filing Date:
March 26, 2021
Export Citation:
Assignee:
MICHELIN & CIE (FR)
International Classes:
B60C1/00; A43B13/14; B32B25/00; B60C11/00; C08K3/36; C08K5/00; C08K5/01
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Other References:
THE JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 60, February 1938 (1938-02-01), pages 309
Attorney, Agent or Firm:
WADA Yukihiro (JP)
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