EP 3956156 A1 20220223 - RUBBER COMPOSITION
Title (en)
RUBBER COMPOSITION
Title (de)
KAUTSCHUKZUSAMMENSETZUNG
Title (fr)
COMPOSITION DE CAOUTCHOUC
Publication
Application
Priority
- FR 1904033 A 20190416
- EP 2020059778 W 20200406
Abstract (en)
[origin: WO2020212184A1] The invention relates to a rubber composition which comprises a diene elastomer, a reinforcing filler comprising more than 50% by weight of a silica, a crosslinking system, a modifying agent bearing an N-substituted imidazole function and a unit containing a group that is reactive with respect to the diene elastomer and if necessary a silane coupling agent to bond the diene elastomer to the silica, the total amount of modifying agent and silane coupling agent represents more than 5% by weight of the amount of silica, the ratio of the amount of modifying agent to the total amount of modifying agent and silane coupling agent is greater than 0.5, the amounts being expressed in phr.
IPC 8 full level
B60C 1/00 (2006.01)
CPC (source: EP)
B60C 1/00 (2013.01); C08K 3/36 (2013.01); C08K 5/3445 (2013.01)
Citation (search report)
See references of WO 2020212184A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020212184 A1 20201022; CA 3131172 A1 20201022; EP 3956156 A1 20220223; FR 3095208 A1 20201023; FR 3095208 B1 20210423
DOCDB simple family (application)
EP 2020059778 W 20200406; CA 3131172 A 20200406; EP 20716797 A 20200406; FR 1904033 A 20190416