TY - SER AU - Jia, Xudong AU - He, Xiangdong AU - Yu, Xuehai TI - Synthesis and Properties of Main-Chain liquid Crystalilne Polyurethane Elastomers with Azoxybenzene KW - Main Chain liquid KW - Crystalilne Polyurethane Elastomers KW - Azoxybenzene ER -