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

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

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PAN plasticized melt spinning tensile strength

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703K

所属学科：

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：

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

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2010-03-17 16:47:15

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