Gradient structure of polypropylene composites filled with carbon black

被引：0
|
作者：
M. Yu. Yablokov
A. N. Shchegolikhin
O. V. Lebedev
G. P. Goncharuk
A. N. Ozerin
机构：
[1] Russian Academy of Sciences,N. S. Enikolopov Institute of Synthetic Polymer Materials
[2] Russian Academy of Sciences,N. M. Emanuel Institute of Biochemical Physics
来源：
Russian Chemical Bulletin | 2021年 / 70卷
关键词：
polypropylene; polymer composites; carbon black; gradient structure; electrical conductivity; Raman spectroscopy; depth profiling;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Gradient polymer composites were prepared by melt-mixing of carbon black and polypropylene in a compounder and subsequent hot pressing of pellets. The thermally treated materials possess an increased surface electrical conductivity compared to the initial samples. The prepared materials were studied by Raman spectroscopy in order to investigate a possible enrichment of the composite surface by carbon black. It was found that the filler migrated to the interface with the enrichment of the surface layer by carbon black during sample modification on heating.
引用
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页码：1816 / 1821
页数：5
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