Crystallization of carbon nanotube and nanofiber polypropylene composites

被引：81
|
作者：
Sandler, J
Broza, G
Nolte, M
Schulte, K
Lam, YM
Shaffer, MSP
机构：
[1] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
[2] Tech Univ Hamburg, D-2100 Hamburg, Germany
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS | 2003年 / B42卷 / 3-4期
关键词：
carbon nanotubes; carbon nanofibers; nanocomposites; nucleation; polypropylene; crystallization;
D O I：
10.1081/MB-120021576
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A variety of semicrystalline isotactic polypropylene composites containing carbon nanotubes and nanofibers were produced by melt and solution techniques. The effect of the nanofillers on the crystallization process was investigated by transmission electron microscopy, scanning electron microscopy, and differential scanning calorimetry. Under the processing conditions applied in this study, the surfaces of the carbon nanomaterials act as nucleation sites in bulk samples and highly oriented composite films. This conclusion is confirmed by the calculation of Avrami exponents and, in particular, by direct microscopy evidence.
引用
收藏
页码：479 / 488
页数：10
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