公开(公告)号：US20230365791A1

公开(公告)日：2023-11-16

申请号：US18033612

申请日：2021-11-19

Applicant: DENKA COMPANY LIMITED

Inventor： Atsunori KONDO

IPC: C08L11/00 ,  C08K3/36 ,  C08K5/14 ,  C08K5/541

CPC classification number: C08L11/00 ,  C08K3/36 ,  C08K5/14 ,  C08K5/541 ,  C08K2201/006 ,  C08K2201/014

Abstract: A rubber composition, by which a vulcanizate having excellent vulcanization speed, abrasion resistance and low temperature rise can be obtained, is provided. A rubber composition including 100 parts by mass of a chloroprene-based rubber, 20 to 80 parts by mass of silica, 1 part by mass or more and less than 20 parts by mass of a hydrate, and 0.3 to 1.4 parts by mass of an organic peroxide, wherein the rubber composition includes 0.5 to 15 parts by mass of a silane coupling agent having a double bond in a structure of the silane coupling agent with respect to 100 parts by mass of the silica.

公开(公告)号：US20220325071A1

公开(公告)日：2022-10-13

申请号：US17636740

申请日：2020-08-12

Applicant: Denka Company Limited

Inventor： Atsunori KONDO ,  Wataru NISHINO ,  Suguru ONUKI

IPC: C08K5/14 ,  C08K5/3415 ,  C08F236/18

Abstract: A rubber composition containing: 100 parts by mass of a chloroprene-based rubber; 0.50 to 4.0 parts by mass of a maleimide compound; and 0.10 to 2.0 parts by mass of an organic peroxide, a vulcanizate of this rubber composition, and a vulcanized molded article of this rubber composition.