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Adhesion between plasma-treated cellulosic materials and polyethylene

✍ Scribed by C. M. Gilbert Carlsson; GöRan Ström

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
497 KB
Volume
17
Category
Article
ISSN
0142-2421

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✦ Synopsis

Abstract

Filter paper and greaseproof paper have been exposed to hydrogen or oxygen plasma. The paper surface composition was determined by ESCA measurements. The unmodified and modified papers then were laminated with polyethylene and the adhesive strength was measured. The hydrogen plasma treatment reduces the cellulose surface and forms low‐molecular‐weight degradation products. It is shown that the reduction of the cellulose surface has no influence on the adhesion, but the degradation products strongly decrease the adhesion. Oxygen plasma treatment increases adhesion, probably by removing low‐molecular‐weight wood resin from the surface and by forming covalent bonds across the interface.

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