Thermal Property and Crystallization behavior of Stereocomplexes between PLLA－Bis A mutiblock copolymer and PDLA Oligomer，2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）-中国聚合物网,论文下载

Thermal Property and Crystallization behavior of Stereocomplexes between PLLA－Bis A mutiblock copolymer and PDLA Oligomer

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PDF文件

关键词：

poly(L-lactic acid) poly(D-lactic acid) stereocomplexes thermal property
crystallization behavior

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334K

所属学科：

分子表征

来源：

2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）

简介：

ThermalpropertyandcrystallizationbehaviorofstereocomplexesofPLLA-co-BisA[mutiblockcopolymerofpoly(L-lacticid)(PLLA)andbisphenol-Aepoxyresin(BisA)]andPDLA[poly(D-lacticacid)]oligomerwerestudied.AblendofPLLAandA,PLLA-co-BisAandPDLApreparedbythesolutioncastingmethodgeneratedastereocomplex.Incomparisonwiththenonblendedhomopolymers,thestereocomplexeshadhighermeltingtemperature(Tm)andcrystallizedathighertemperaturesfromthemelt.Moreover,thestereocomplexeshadreducedspherulitesizesandincreasedextentofcrystallization.AblendofPLLA-co-BisA(Mw=1.7105)andPDLA(Mw=3.2104)showedalowerTmandalowerrateofcrystallizationthanstereocomplexesofPLLA(Mw=3.1104)andPDLA(Mw=3.2104).

作者：

Hong Xu Cuiqing Teng Muhuo Yu

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2007-08-09 14:21:16

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