MODIFICATION OF POLYETHYLENE BY in situ FORMED SODIUM ACRYLATE

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摘要 ToimprovethewatertreeresistanceofPE,linearlow-densitypolyethylene(LLDPE)wascompoundedwithsodiumacrylate(NaAA)forinsitupolymerization,inwhichNaAAwasformedthroughtheneutralizationofacrylicacid(AA)withsodiumhydroxide(NaOH)beforeaddingdicumylperoxide(DCP)toinitiatetheinsitugraftpolymerizationandhomopolymerization.AseriesofLLDPE/NaAAcompoundswereinvestigatedfortheirwaterabsorptionratio(WAR)measurement,watertreeing,mechanicalanddielectricproperties.TheresultsstronglysuggestthatNaAAcanimprovethewatertreeresistanceofLLDPE.Inaddition,theLLDPE/NaAAcompoundspossesssatisfactorymechanicalpropertiesanddielectricproperties.CharacterizationofLLDPE/NaAAcompoundsbyusingFouriertransforminfraredspectrometry(FTIR)suggeststhattheneutralizationandpolymerizationreactioncouldbeachievedeffectively.UsingadequateDCPcontentisthekeyfactorforcontrollingthepolymerizationofNaAAwithpreciseconversionratio.
机构地区 不详
出版日期 2006年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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