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

資料類型：

PDF文件

關鍵詞：

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

資料大小：

566K

所屬學科：

分子表征

來源：

2009先進纖維與聚合物材料國際學術會議（ICAFPM，10.21-10.24，上海）

簡介：

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

上傳時間：

2010-04-02 11:34:48

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