1. Beijing Engineering Research Center of Advanced ElastomersBeijing University of Chemical Technology, Box 90, 15, Beisanhuan Road East, Chaoyang District, Beijing 100029, China
2. Engineering Research Center of Elastomer Materials Energy Conservation and ResourcesMinistry of Education, Beijing University of Chemical Technology, Box 90, 15, Beisanhuan Road East, Chaoyang District, Beijing 100029, China