Fully vulcanized powdery rubber having a controllable particle size, preparation and use thereof

US6423760B1 · kind B1 · utility

Assignees

• CHINA PETROCHEMICAL CORPORATION
• Beijing Research Institute of Chemical Industry SINOPEC · CN

Inventors

• Jinliang Qiao · Beijing, CN
• Genshuan Wei · Beijing, CN
• Xiaohong Zhang · Beijing, CN
• Shijun Zhang · Beijing, CN
• Jianming Gao · Beijing, CN
• Wei Zhang · Lianyungang, CN
• Yiqun Liu · Weihai, CN
• Jiuqiang Li · Beijing, CN
• Fengru Zhang · Beijing, CN
• Renli Zhai · Beijing, CN
• Jingbo Shao · Beijing, CN
• Kunkai Yan · Beijing, CN
• Hua Yin · Beijing, CN

Key dates

• Filing date: Oct 30, 2000
• Grant date: Jul 23, 2002
• Expiry date: Oct 30, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The present invention provides a fully vulcanized powdery rubber having a particle size of from 20 to 2000 nm, its preparation and use. The vulcanized powdery rubber is obtained by irradiating a rubber latex having a particle size of from 20 to 2000 nm with a high-energy irradiation. The vulcanized powdery rubber is very easily to be dispersed into various plastics, and thus can be mixed with various plastics to prepare toughened plastics and fully valcanized thermoplastic elastomers.