Synthesis of hyperbranched polymers and its effect on sanitary properties of PA6 microfiber/PU composite materials，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

Synthesis of hyperbranched polymers and its effect on sanitary properties of PA6 microfiber/PU composite materials

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hyperbranched polymer PA6 Microfiber/PU composite materials sanitary
property

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656K

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：

Aseriesofhyperbranchedpoly(amine-ester)polyolweresynthesizedbythepolycondensationofN,N-diethylol-3-amine-methylpropionate(preparedbytheMichaeladditionreactionofmethylacrylatewithdiethanolamine)asanAB2-typemonomerandtrimethylolpropaneasthecoremoietyusingp-toluenesulfonicacidasacatalystinaone-stepmeltreactionprocedure.TheobtainedmonomerandpolymerswerecharacterizedbyFTIRand1H-NMRspectroscopy.Itwassuggestedthatthehyperbranchedpoly(amine-ester)polyolwasformedviaamechanismofacombinationoftransesterificationandadditionreactions.Thesolubilityandsurfaceactivityinaqueoussolutionofthepolymerswerealsoexamined.PA6microfiber/PUcompositematerialsweretreatedbyhyperbranchedpolymer,andthenthegaspermeability,watervaporpermeabilityandmoistureabsorptionwerestudied.Whenthedosageofdyewas5%andthedosageofhyperbranchedpolymerwas10%,PA6microfiber/PUcompositematerials’watervaporpermeabilityandmoistureabsorptionwere0.5254mg/10cm2·24hand0.0467mg/10cm2·24h,respectively,whichwasincreasedby15%and35%comparedtotheuntreatedmaterials,butthedosageofhyperbranchedpolymerhadlittleinfluenceongaspermeabilityofsyntheticleather.SEMresultsshowedthatPA6microfiber/PUcompositematerialstreatedbyhyperbranchedpolymerwereincompact.

作者：

QIANG Taotao, WANG Xuechuan, REN Longfang

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2010-04-01 11:34:06

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