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1. (WO2017037636) RUBBER COMPOUND TO PRODUCE TREADS

Pub. No.:    WO/2017/037636    International Application No.:    PCT/IB2016/055206
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Thu Sep 01 01:59:59 CEST 2016
IPC: B60C 1/00
C08L 9/06
Applicants: BRIDGESTONE CORPORATION
FORTE, Gianluca
AURISICCHIO, Claudia
GAETA, Giammatteo
Inventors: FORTE, Gianluca
AURISICCHIO, Claudia
GAETA, Giammatteo
Title: RUBBER COMPOUND TO PRODUCE TREADS
Abstract:
A rubber compound for treads comprising a styrene-butadiene rubber (SBR), carbon black and a vulcanization system. The filler comprises 5 to 30 phr of a thermoplastic polymer, preferably polylactic acid, having a Tg ranging from 50 to 70°C, a molecular weight (Mw) not exceeding 200,000 g/mol and a crystallinity not exceeding 10%.