Continuous atmospheric plasma fluorination of carbon fibres

被引：46

作者：

Ho, Kingsley K. C. ^{[1
]}

Lee, Adam F. ^{[2
]}

Lamoriniere, Steven ^{[1
]}

Bismarek, Alexander ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem Engn, Polymer & Composite Engn Grp, London SW7 2AZ, England

[2] Univ York, Dept Chem, York YO10 5DD, N Yorkshire, England

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2008年 / 39卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

carbon fibre; wettability; mechanical testing; continous plasma modification;

D O I：

10.1016/j.compositesa.2007.10.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Atmospheric pressure plasma fluorination (APF) is a newly developed technique to introduce fluorine groups to carbon fibres. Batch fluorination in atmospheric plasmas leads to enhanced adhesion to fluoropolymers. Here we report a method for the continuous fluorination of carbon fibres in atmospheric plasmas and compare different experimental APE protocols including - batch, continuous single sided and continuous double sided - with respect to the degree of fluorination that can be achieved. X-ray photoelectron spectroscopy (XPS) shows that continuous double-sided APF allows up to 4.9 at.% fluorine to be introduced into the surface of carbon fibres. XPS confirms that both batch and continuous APF result in identical surface functionalisation, without any significant surface damage apparent from SEM and BET surface area analysis. Raman shows a low level of graphite disorder following continuous APF treatments, suggesting minimal disruption to the bulk fibre properties. Mechanical properties of treated fibres were studied via single fibre tensile tests and the results analysed using Weibull statistics. Tensile strength and Young's modulus data confirm that continuous APF surface modification has a minimal effect on the corresponding bulk mechanical properties of carbon fibres. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：364 / 373

页数：10

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