Physical properties of polyethylene/silicate nanocomposite blown films

Title
Physical properties of polyethylene/silicate nanocomposite blown films
Authors
구종민왕기현정인재
Issue Date
2003-08
Publisher
Journal of applied polymer science
Citation
VOL 89, 2131-2136
Abstract
Maleated polyethylene/silicate nanocomposite and maleated polyethylene/SiO2 blown films were prepared by melt extrusion. The silicate and SiO2 significantly affected the physical properties of the films. The former films showed higher tensile strength than the latter films. This high reinforcement effect seemed to be attributable to the strong interaction between the matrix and silicate as well as the uniform dispersion of silicate layers in the polymer matrix. The addition of silicate beyond a certain content gave a worse Elmendorf tear strength than SiO2. The silicate did not increase the falling dart impact strength at all. The worst Elmendorf strength apparently originated from the orientation of anisotropic silicate rather than the orientation of lamellae of the polymer matrix, and the silicate made the films more brittle. The well-dispersed silicate layers in the polymer matrix gave almost the same optical properties as the pure polymer despite the increase in the silicate content.
URI
http://pubs.kist.re.kr/handle/201004/59058
ISSN
00218995
Appears in Collections:
KIST Publication > Article
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