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

資料類型：

PDF文件

關(guān)鍵詞：

carbon nanotube phosphorus-containing copolyester

資料大小：

520K

所屬學(xué)科：

分子表征

來(lái)源：

2009高分子材料先進(jìn)制造業(yè)（青島）國(guó)際論壇（8.19-8.21，青島）

簡(jiǎn)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

上傳時(shí)間：

2009-11-02 17:11:04

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