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The structure and properties of PAN fibers prepared by plasticized melt spinning

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關(guān)鍵詞：

PAN plasticized melt spinning tensile strength

資料大?。?/td>

703K

所屬學(xué)科：

分子表征

來(lái)源：

2009先進(jìn)纖維與聚合物材料國(guó)際學(xué)術(shù)會(huì)議（ICAFPM，10.21-10.24，上海）

簡(jiǎn)介：

AnenvironmentalprotectionrouteforproducingPANfibersbymeltspinningisbeingdeveloped.TheapproachinvolvedformingpolyacrylonitrilewithplasticizerAwhichcanbemelt-spunintofibers.PANfiberswerecharacterizedusingSEM,DMAandtensiletesting.DynamicmechanicalanalysisshowedthattheglasstransitiontemperatureofPANdecreasedsignificantlyowingtotheadditionofplasticizerA,whichwillbebenefittothesubsequenthot-drawingandobtaininghighdrawingratiobecausetheplasticizerAcanminishtheinteractionofPANmacromolecules.ItwasfoundthatPAN/plasticizermassratioof50/50wasthesuitablecompositionformeltspinningandthetensilestrengthofPANfibersfabricatedatthespinningtemperatureof185oCcouldreachto4.0cN/dtex.Thefibershadadensestructurerevealedbyscanningelectronmicroscopy.

作者：

WANG Zhaohua, HAN Keqing, RONG Huaiping, YUAN Xiangkai, YU Muhuo

上傳時(shí)間：

2010-03-17 16:47:15

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