PLA, grade REVODE101, MI(190C, 2.16 kg) ¼ 5~8 g/ 10 min, weight average molecular weight (Mw)z150
000 g/mol, r ¼ 1.25 g/cm3, was provided by Zhejiang Hisun Biomaterials Co., Ltd. NR, Standard Malaysian Rubber (SMR
CV60), Mooney viscosity ML(1 þ 4)100C ¼ 60 ± 5, was kindly supplied by Guangzhou Rubber Industry Research
Institute (China).