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Reconsideration of the effects of a coupling agent in talcum-filled plastics

✍ Scribed by Tieqi Li; Guangcong Liu; Kun Qi

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
223 KB
Volume
67
Category
Article
ISSN
0021-8995

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✦ Synopsis

Structure and morphology of talcum-filled polyethylene (HDPE-talc) were studied to examine the nature of beneficial effects of commercial silane coupling agents. Effects of the additive on the structures of the blends with various talc contents were studied through differential scanning calorimetry (DSC) analyses. Mechanism of reinforcement by the flake-like filler were analyzed through both classical treatments and a percolation model. Results suggest that for the studied system, silane had changed properties of the filled plastics, mainly through enhancement in filler dispersion and modification of matrix morphology. Choice of silane as coupling agents was thus questioned for the filled polyolefins with relatively low cost-to-performance ratio. α­§ 1998

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