1. State Key Laboratory of Organic Inorganic Composites; Beijing University of Chemical Technology; Beijing 100029 China
2. Key Lab of Beijing City on Preparation & Processing of Novel Polymer Materials; Beijing University of Chemical Technology; Beijing 100029 China
3. China Petroleum & Chemical Company (Sinopec Corp.), National Engineering Research Center for Synthesis of Novel Rubber and Plastic Materials; Yanshan Branch of Beijing Research Institute of Chemical Industry; Beijing 102500 China