Title:
RUBBER COMPOSITION BASED ON A MODIFIED DIENE ELASTOMER
Document Type and Number:
WIPO Patent Application WO/2020/094988
Kind Code:
A3
Abstract:
The invention relates to a rubber composition based on at least one reinforcing filler comprising a silica content that is greater than or equal to 80 pph, preferably greater than or equal to 100 pph, and an elastomer matrix comprising a modified diene elastomer content that is greater than or equal to 75 pph, the modified diene elastomer comprising macromolecules comprising an n-functional branching unit within their structure, with n being at least 1 and at most 9, preferably at most 6, formed by a group comprising at least two silicon atoms substituted by elastomer branches and connected together by means of a group comprising at least one nitrogen atom, the bonds between silicon atoms and hydrogen being established by means of a spacer group.
Inventors:
DE-GAUDEMARIS BENOÎT (FR)
CHATARD JULIEN (FR)
DIRE CHARLOTTE (FR)
ROOS KEVIN (FR)
GADENNE BENOÎT (FR)
CHATARD JULIEN (FR)
DIRE CHARLOTTE (FR)
ROOS KEVIN (FR)
GADENNE BENOÎT (FR)
Application Number:
PCT/FR2019/052641
Publication Date:
July 16, 2020
Filing Date:
November 07, 2019
Export Citation:
Assignee:
MICHELIN & CIE (FR)
International Classes:
B60C1/00; C08C19/22; C08C19/25; C08C19/44; C08F236/06; C08F236/10; C08L15/00
Foreign References:
| US20160159957A1 | 2016-06-09 | |||
| US20160194411A1 | 2016-07-07 |
Attorney, Agent or Firm:
LE CAM, Véronique (FR)
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