Surface spectroscopic analysis of vapour grown carbon fibres prepared under various conditions

被引：34

作者：

Darmstadt, H ^{[1
]}

Roy, C

Kaliaguine, S

Ting, JM

Alig, RL

机构：

[1] Univ Laval, Dept Genie Chim, Quebec City, PQ G1K 7P4, Canada

[2] Appl Sci Inc, Cedarville, OH 45314 USA

来源：

CARBON | 1998年 / 36卷 / 7-8期

关键词：

vapour grown carbon; carbon fibre; oxidation; photoelectron spectroscopy; chemical structure;

D O I：

10.1016/S0008-6223(98)00096-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Vapour grown carbon fibres (VGCF) were produced from methane, hydrogen sulphide, ammonia and iron pentacarbonyl as catalyst in a semi-continuous process. The influence of the feedstock composition and different post-reaction treatments on the surface chemistry was investigated by surface spectroscopic methods. Surface oxygen groups and active conns of carbon on the fibre surface which are important for the fibre-polymer interaction were quantified by O-1s and C-1s ESCA. The surface oxygen concentration of VGCF was lower than that of polyacrylonitrilo (PAN) and pitch-based carbon fibres. The chemical nature of the surface oxygen was also different. By an oxidation treatment of the VGCF, the amount of surface oxygen was considerably increased and its chemical nature becomes closer to that of other carbon fibres. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：1183 / 1190

页数：8

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