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1. (WO2018139570) RUBBER COMPOSITION, RUBBER PRODUCT, AND METHOD FOR PRODUCING RUBBER COMPOSITION

Pub. No.:    WO/2018/139570    International Application No.:    PCT/JP2018/002413
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Jan 27 00:59:59 CET 2018
IPC: C08L 21/00
C08J 3/20
C08J 3/24
C08K 7/24
Applicants: LION SPECIALTY CHEMICALS CO., LTD.
ライオン・スペシャリティ・ケミカルズ株式会社
Inventors: KAWAKAMI Tetsuro
川上 哲郎
SATO Hiromu
佐藤 大夢
WAKAMATSU Rieko
若松 里恵子
SUGIYAMA Takashi
椙山 崇
Title: RUBBER COMPOSITION, RUBBER PRODUCT, AND METHOD FOR PRODUCING RUBBER COMPOSITION
Abstract:
Provided are a rubber composition and a method for producing the same. The rubber composition contains carbon black, rubber, and a vulcanizing agent, wherein the carbon black is porous carbon black having an average primary particle size of 20-80 nm, a pore volume of at least 0.20 cm3/g, a nitrogen adsorption specific surface area of 300-470 m2/g, and a DBP oil absorption of 240-340 cm3/100 g.