Rubber composition, preparation method and vulcanized rubber thereof

US9453122B2 · kind B2 · utility

Assignees

• CHINA PETROLEUM & CHEMICAL CORPORATION · CN
• BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION · CN

Inventors

• Jinliang Qiao · Beijing, CN
• Yuexin Cong · Shandong, CN
• Xiaohong Zhang · Beijing, CN
• Ying Li · 东风镇, CN
• Jianming Gao · Beijing, CN
• Qianmin Zhang · Beijing, CN
• Zhihai Song · Beijing, CN
• Yanling Sun · Shandong, CN
• Meifang Guo · Beijing, CN
• Peijun Song · Shandong, CN
• Chuanlun Cai · Beijing, CN
• Guoxun Zhao · Shandong, CN
• Hongwei Shi · Elmhurst, US
• Guicun Qi · Beijing, CN
• Jinmei Lai · Beijing, CN
• Hongbin Zhang · College Station, US
• Ya Wang · Beijing, CN
• Binghai Li · Beijing, CN
• Xiang Wang · Keyano, CA

Key dates

• Filing date: Oct 26, 2012
• Grant date: Sep 27, 2016
• Expiry date: Nov 13, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/86
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A rubber composition, preparation method and vulcanized rubber thereof are provided. The rubber composition comprises uncrosslinked rubber and rubber particles having crosslinked structure dispersed therein, wherein the rubber particles having crosslinked structure are synthetic rubber particles and/or natural rubber particles with an average particle size of 20 to 500 nm and a gel content of 60% by weight or higher, and the uncrosslinked rubber is styrene-butadiene rubber, and wherein the weight ratio of the rubber particles having crosslinked structure to the uncrosslinked rubber is 1:99-20:80.