Preparation and Thermal Properties of Phosphorus-containing Copolyester Nanocomposites with Carbon Nanotube，2009高分子材料先进制造业（青岛）国际论坛（8.19-8.21，青岛）-中国聚合物网,论文下载

Preparation and Thermal Properties of Phosphorus-containing Copolyester Nanocomposites with Carbon Nanotube

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PDF文件

关键词：

carbon nanotube phosphorus-containing copolyester

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520K

所属学科：

分子表征

来源：

2009高分子材料先进制造业（青岛）国际论坛（8.19-8.21，青岛）

简介：

Flameretardantnanocompositesweresynthesizedbymelt-blendingphosphoruscontainingcopolymer(PET-co-DDP)withmulti-wallcarbonnanotubes.PET-co-DDPwascopolymerizedwithterephthalicacid(TPA),ethyleneglycol(EG)and9,10-dihydro-10[2,3-di-(hydroxycarbonyl)propyl]-10-phosphaphenanthrene-10-oxide(DDP).Thestructureofthenanocompositeswascharacterizedbyscanelectronmicroscopy(SEM).FirepropertymeasurementsbyconecalorimeterrevealedthattheincorporationofmultiwallcarbonnanotubesintoPET-co-DDPsignificantlyreducedthepeakheatreleaseratescomparedwiththePET-co-DDP.Thethermalpropertiesofthenanocompositeswereinvestigatedbythermogravimetricanalysis(TGA).Itwasfoundthatthethermalstabilityofcopolyesterwasimprovedbytheadditionofthemulti-wallcarbonnanotubes.Charformationisthemainfactorfortheseimprovements.Theflameretardantperformancewasachievedthroughtheformationofarelativelyuniformnetworkstructuredflocculelayercoveringtheentiresamplesurfacewithoutanycracksorgaps.Thislayerre-emittedmuchoftheincidentradiationbackintothegasphasefromitshotsurface.

作者：

ZHAO Qing-fu, SUN Shi-yuan, JIANG Xiao-wei

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2009-11-02 17:11:04

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