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Effects of modified MMT on mechanical properties of EVA/MMT nanocomposites and their foams

Title
Effects of modified MMT on mechanical properties of EVA/MMT nanocomposites and their foams
Authors
Xu, Z.R.[Xu, Zhengrun]Park, H.Y.[Park, Hae Youn]Kim, H.Y.[Kim, Ho Young]Seo, K.H.[Seo, Kwan Ho]
DGIST Authors
Kim, H.Y.[Kim, Ho Young]
Issue Date
2008
Citation
Macromolecular Symposia, 264(1), 18-25
Type
Article
Article Type
Conference Paper
Keywords
ABS ResinsBlowing AgentsChemical Blowing AgentChemical Blowing AgentsClay MineralsCompression MoldingDensity (Specific Gravity)Elastic ModuliElasticityElectric Field EffectsElongation at BrokenEthyleneEthylene-Vinyl AcetateFoamingFoamsMechanical PropertiesMelt IntercalationsModified MontmorilloniteModified MontmorillonitesNano-Structured MaterialsNanocompositesPetrochemicalsPolyethylene TerephthalatesSilicate MineralsStrength of MaterialsTear StrengthsTear TestsTensile TestingTensile TestsTestingVinyl AcetatesX-Ray DiffractionsX Ray AnalysisYoung&aposs Modulus
ISSN
1022-1360
Abstract
In this study, nanocomposites of poly(ethylene-co-vinyl acetate) with two kinds of organically modified montmorillonite (OMMT) were prepared by melt intercalation. Their structures and mechanical properties were characterized by X-ray diffraction (XRD) and tensile test respectively. Especially, foaming of these nanocomposites mixed with chemical blowing agent was carried out through compression molding. Influences of OMMT on foaming ratio and mechanical properties were investigated by density test, tensile test and tear test. Results revealed that both kinds of OMMT with proper content increased tensile strength and Young's modulus of nanocomposites without a compromise of elongation at break. For foaming, OMMTs apparently improved foaming ratio and in particular, one of them can improve tear strength, tensile strength, Young's modulus and elongation although the density was decreased. Copyright © 2008 WILEY-VCH Verlag GmbH & Co. KGaA.
URI
http://hdl.handle.net/20.500.11750/3575
DOI
10.1002/masy.200850404
Publisher
John Wiley & Sons Ltd.
Related Researcher
Files:
There are no files associated with this item.
Collection:
Magnetic-Controlled Materials Research Group1. Journal Articles


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