Polycarbonate crystallization by vapor-grown carbon fiber with and without magnetic field

被引：52

作者：

Takahashi, T

Yonetake, K

Koyama, K

Kikuchi, T

机构：

[1] Yamagata Univ, Venture Business Lab, Yonezawa, Yamagata 9928510, Japan

[2] Yamagata Univ, Fac Engn, Yonezawa, Yamagata 9928510, Japan

[3] Fukushima Technol Ctr, Organ Mat Div, Koriyama, Fukushima 9630215, Japan

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2003年 / 24卷 / 13期

关键词：

carbon nanotube; crystallization; magnetic field; polycarbonates; vapor-grown carbon fiber;

D O I：

10.1002/marc.200350021

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polycarbonate (PC)/vapor-grown carbon fiber (VGCF(TM)) composite was prepared through melt compounding. It was unexpectedly found from differential scanning calorimetry (DSC) and wide angle X-ray diffraction (WAXD) that the crystallization of PC was substantially accelerated in the presence of the ordered graphite surface of VGCF(TM). To make an aligned structure of PC crystallization together with the orientation of VGCF(TM), a magnetic field of 2.4 T was applied to the composite under several temperature profiles. The WAXD pattern revealed that not only dispersed VGCJ(TM) but also matrix PC crystallization was magnetically aligned through the optimization of processes. The evidence for PC crystallization by VGCF(TM) with and without magnetic force is described.

引用

页码：763 / 767

页数：5

共 20 条

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