Morphology and physical properties of polyethylene/silicate nanocomposite prepared by melt intercalation

Title
Morphology and physical properties of polyethylene/silicate nanocomposite prepared by melt intercalation
Authors
구종민왕기현최민호Mingzhe Xu정인재장민철최순웅송현훈
Issue Date
2002-07
Publisher
Journal of polymer science Part B, Polymer physics
Citation
VOL 40, NO 14, 1454-1463
Abstract
Maleated polyethylene (PEMA)/silicate nanocomposites with a different aspect ratio of silicate and maleated PEMA/SiO2 composite were prepared by melt intercalation. The nanocomposites with a high aspect ratio silicate (montmorillonite) showed a faster decrease in the terminal slope of the storage modulus and a steeper increase in complex viscosity than those with a low aspect ratio silicate (laponite) and SiO2. The addition of montmorillonite increases the crystallization and the melting temperature of PEMA but decreases above 3 vol % of the silicate content because of the increased viscosity. The nanocomposite with montmorillonite showed the highest yield strength and secant modulus among the composites because of the highest aspect ratio of the filler. It also revealed strong interfacial adhesion with the matrix and orientation during tensile deformation.
URI
http://pubs.kist.re.kr/handle/201004/59062
ISSN
08876266
Appears in Collections:
KIST Publication > Article
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