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Preparation of Anion Modified Montmorillonite-Polystyrene Nanocomposite by Suspension Polymerization  
Preparation of Anion Modified Montmorillonite-Polystyrene Nanocomposite by Suspension Polymerization
資料類型: PDF文件
關(guān)鍵詞: suspension  polymerization  styrene  composite  anion  surfactant  
資料大?。?/td> 270K
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:
Toensuregoodcompatibilitybetweenpolymerandmontmorillonite(MMT),threetypesorganophilic-MMTwerepreparedandtheinfluenceofmodifyingagentstyleonthemodificationeffectwasstudied.TheresultsofX-raydiffraction(XRD)showthatthemodifiedreagentsareallintercalatedintothegalleriesofMMT,whicharealsoprovedbypatternsofFT-IRandthermogravimetricanalysis(TGA),andthespacingofMMTlayersincreasesfrom1.23nmofthepristineMMTto2.10nm,3.52nmand4.14nmforCTAB,SDSandDBSmodifiedMMTrespectively.Theresultsalsoindicatethatthed-spacingandexfoliationdegreeofanionicsurfactantsinsertedMMTisbiggerthanthatofthecationicsurfactantstreatedMMT,whichareusuallyusedtopreparationpolymerlayeredsilicatenanocompositesinliteratures.SoPS/SDS-MMTandPS/DBS-MMTnanocompositeswerepreparedbysuspensionpolymerization.ThestructureofcomplexwerecharacterizedbyXRDandnopeakcanbeobservedbythespectra,whichsuggestthattheclayplateletshavebeenexfoliatedanddispersedinthePSmatrixandthebothcomplexareallhaveexfoliatedstructure.FT-IRspectrumsanalysisconfirmedtheexistenceofMMTwhichimpliedthatthelayersofsilicatewasdistributingincomposites.TheresultsofTGAshowthatnanocompositespossessexceptionallyhighthermalstabilityandtheDBStreatedcompositehashigherthermalstabilitythanthatofSDStreated.
作者: Wang Yi1,a, Feng Huixia1,b, Qiu Jianhui2,
上傳時(shí)間: 2009-11-04 16:12:02
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