Study on tensile properties of biodegradable poly(butylene succinate-co-butylene terephthalate) (PBST) fibers after heat-setting，2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）-中国聚合物网,论文下载

Study on tensile properties of biodegradable poly(butylene succinate-co-butylene terephthalate) (PBST) fibers after heat-setting

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Poly(butylene succinate-co-butylene terephthalate) fibers heat setting tensile
properties

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566K

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分子表征

来源：

2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）

简介：

Biodegradablepoly(butylenesuccinate-co-butyleneterephthalate)(PBST)fibersareheat-setonParallelDrawMachinewiththedrawratioof1.59-1.95attheheatrollertemperatureof50-80℃andhotplatetemperatureof110-155℃.Theeffectsofheat-settingconditionsonthetensilepropertiesofPBSTfibersareinvestigated.Theresultsshowthattheimpactofthedrawratioismoreobviousthanthatofheatrollertemperatureandhotplatetemperature.Withtheincreaseofdrawratio,thebreakingstrengthincreasesandtheelongationatbreakdecreases.Withtheincreaseofheatrollertemperature,thebreakingstrengthandtheelongationatbreakincrease.Withincreaseofhotplatetemperature,thetrendofbreakingstrengthisunclearandtheelongationatbreakinitiallyincreasesandthenshowsaslightfall.Thebreakingstrengthreachesitsmaximumvalueof2.04cN/dtexwhenthedrawratiois1.95whiletheheatrollerandhotplatetemperatureis70℃and140℃,respectively.Theeffectsofheat-settingconditionsonthetensilepropertiesofPBSTfibersarecorrelatedwithfibersoundvelocityandcrystallinity.

作者：

MA Yanli, LI Faxue, YU Jianyong, QIAN Jingfang

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2010-04-02 11:34:48

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