环氧大豆油化学接枝聚乳酸的制备及其性能

蔡垚, 吴红枚, 刘武, 李端, 范诗易, 王洋洋

Preparation and Properties of Polylactic Acid Chemically Grafted with Epoxidized Soybean Oil

CAI Yao, WU Hongmei, LIU Wu, LI Duan, FAN Shiyi, WANG Yangyang

表4 样品的酸值和接枝率

Table 4 Acid value and grafting rate of samples

Samples Acid value /(mg KOH/g) Grafting rate/% ESO0.3-TEA0.3 MPLA 2.41 2.60 ESO0.3-TEA0 MPLA 2.04 0.76 ESO0-TEA0 MPLA 2.27 1.88 ESO0-TEA0.3 MPLA 1.92 0.19 Neat PLA 1.88 0 ESO0.3-TEA0.3 ECP 2.52 3.10 ESO0.3-TEA0 ECP 2.73 4.15 ESO0-TEA0 ECP 2.62 3.62 ESO0-TEA0.3 ECP 2.52 3.10 1n ECP 2.73 4.15 1.5n ECP 2.49 2.99 2n ECP 2.42 2.63