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1. (WO2018105707) METHOD OF PRODUCING RUBBER COMPOSITION FOR TIRE

Pub. No.:    WO/2018/105707    International Application No.:    PCT/JP2017/044086
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Fri Dec 08 00:59:59 CET 2017
IPC: C08J 3/20
B60C 1/00
C08K 3/04
C08K 3/36
C08L 9/00
C08L 91/00
Applicants: THE YOKOHAMA RUBBER CO., LTD.
横浜ゴム株式会社
Inventors: MURASE Keisuke
村瀬 慶介
UEKI Kanako
植木 加奈子
SUGIURA Hiroki
杉浦 裕記
TAKAGI Ryosuke
高木 亮佑
Title: METHOD OF PRODUCING RUBBER COMPOSITION FOR TIRE
Abstract:
Provided is a method of producing a rubber composition for a tire having excellent wet grip performance, low rolling resistance, and excellent wear resistance. A method of producing a rubber composition containing 80-180 parts by mass of silica with respect to 100 parts by mass of a diene-based rubber, and containing a silane coupling agent in an amount of 5-18 mass% with respect to the silica content, said method characterized by introducing the silica and the silane coupling agent together into a mixer, mixing the silica and the silane coupling agent, and then introducing the diene-based rubber to the mixture and kneading the resultant mixture.