Study on Low-temperature processing for PLA-b-PCL Multiblock Copolymers by Pressure-induced Flow
This paper introduces a novel and convenient processing for PLA-b-PCL mulitblock copolymers by pressure-induced flow at a low temperature. The designed molecular weight PLA-PCL-PLA triblocks copolymers were synthesized by ring opening polymerization of L-lactide, followed by the chain extension of these PLA-PCL-PLA triblocks, using hexamethylene diisocyanate (HDI). Then the multiblock copolymers were flowed and transformed to a transparent bar in a mould in pressure field at a temperature much lower than the melting point of the copolymers. The bars exhibit well mechanical properties especially the extendibility and present layered microstructure.
PLA-b-PCL multiblock copolymer molding low temperature pressure-induced flow
Gao peng Jiao Mingli Teng Cuiqing Han Keqing Yu Muhuo
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, P. R. China
国际会议
上海
英文
171-173
2007-10-15（万方平台首次上网日期，不代表论文的发表时间）