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3 样品的热性能

Table 3 DSC Data of all samples

Samples Tg/℃ TCC/℃ Tm/℃ ΔCp/J·g-1·K ΔHC/J·g-1 ΔHm/J·g-1 χc/% ESO0.3-TEA0.3 MPLA 58.6 113.2 169.6 0.522 39.05 38.38 1.52 ESO0.3-TEA0 MPLA 57.0 107.5 168.5 0.456 31.13 28.32 3.00 ESO0-TEA0 MPLA 60.3 111.3 168.0 0.571 26.54 29.93 3.63 ESO0-TEA0.3 MPLA 59.8 100.8 168.6 0.541 27.36 31.28 4.19 Neat PLA 60.5 102.9 169.3 0.556 34.63 36.09 1.57 ESO0.3-TEA0.3 ECP 56.5 104.0 167.9 0.505 34.60 35.31 0.75 ESO0.3-TEA0 ECP 59.1 110.5 169.4 0.517 36.67 36.08 0.63 ESO0-TEA0 ECP 57.6 98.3 168.2 0.506 36.36 44.37 8.57 ESO0-TEA0.3 ECP 58.7 100.5 168.5 0.554 37.48 41.26 4.04 1n ECP 59.1 110.5 169.4 0.517 36.67 36.08 0.63 1.5n ECP 60.1 105.1 169.5 0.470 38.03 33.72 4.61 2n ECP 59.2 104.6 168.4 0.496 34.68 32.80 2.01