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Surface structuring of synthetic fibres by UV laser irradiation. Part III. Surface functionality changes resulting from excimer-laser irradiation

✍ Scribed by Knittel, Dierk; Schollmeyer, Eckhard

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 326 KB
Volume: 45
Category: Article
ISSN: 0959-8103
DOI: 10.1002/(sici)1097-0126(199801)45:1<103::aid-pi917>3.0.co;2-2

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✦ Synopsis

The chemical surface composition accompanying UV-laser induced surface structuring of Ðbrous materials such as poly(ethylene terephthalate) (PETP) is discussed. Only a few real chemical changes have been investigated up to now (formation of carboxylic groups on PETP, formation of CxO bonds on polypropylene). Much more data exist on the formation of yellow layers on the laser-treated samples, consisting of debris derived from the ablation process. Analysis by laser desorption mass spectroscopy (LD-MS) and XPS conÐrm the composition of those layers as highly carbonaceous. Methods for using LD-MS for Ðbre identiÐcation and methods for avoiding debris-layer formation are described together with some surface grafting experiments. In some cases excimer irradiation may be used to remove fabrication agents from polymer surfaces.

1998 SCI.

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