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Preparation of Anion Modified Montmorillonite-Polystyrene Nanocomposite by Suspension Polymerization

資料類型：

PDF文件

關鍵詞：

suspension polymerization styrene composite anion surfactant

資料大小：

270K

所屬學科：

分子表征

來源：

2009高分子材料先進制造業（青島）國際論壇（8.19-8.21，青島）

簡介：

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,

上傳時間：

2009-11-04 16:12:02

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