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Dynamic Vulcanization of Totally Biobased Polyester Elastomer/Polylactide Bolyester  
Dynamic Vulcanization of Totally Biobased Polyester Elastomer/Polylactide Bolyester
资料类型: PDF文件
关键词: biobased  polyester  elastomer  polylactide  dynamic  vulcanization  
资料大小: 98K
所属学科: 分子表征
来源: 第六届亚欧研讨会上处理和性能增强聚合物会议文集(2013.6.2-6 武汉)
简介:
Thermoplasticvulcanizates(TPVs)havebeenwidelyusedasakindoftypical"green"elastomerbecauseoftheirexcellentmechanicalpropertiesandrecyclability.Uptonow,thereportedTPVwasconcentratedonmixingpetroleum-dependentpolymerssuchasethylene-propylene-dienerubber(EPDM)/polypropylene(PP).Inthisstudy,biobasedpolyesterelastomer(BPE)andbiobasedplastic(PLA)werechosenastwocomponentstoprepareanewtypedTPVderivedfromrenewableresources.Morphologydevelopmentandcrosslinkingdegreewiththereactiontimewereinvestigatedbymorpologyanalysis(B-SEM,TEM)andmeasurmentofBPEgelcontent.TheeffectsofcompositionandcuringextentonbiobasedTPVsperformances,suchasmorphology,mechanicalandtheologicalpropertieswerealsostudied.Themorpologyayalysis(B-SEM,TEM)indicatedthatcrosslinkedBPEparticlesdistrudutedatanaveragesizeof2yminmartixPLA.ThetensilestrengthandelongationatbreakincreasewithincreasingPLAcontents.NocytoxicitywasfoundforourBPE/PLATPVaccordingtocellproliferationandcellattachmentstestes.ThegoodcytocompatibilityofBPE/PLATPVmakethemsuitableforbiomedicalapplications.
作者: H. L. Kang , X. R. Hu , L. Q. Zhang
上传时间: 2013-07-03 15:16:40
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