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Fluorierung von Polymeroberflächen
Author(s) -
Friedrich J.,
Kühn G.,
Schulz U.,
Jansen K.,
Möller B.,
Fischer S.
Publication year - 2002
Publication title -
vakuum in forschung und praxis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.213
H-Index - 13
eISSN - 1522-2454
pISSN - 0947-076X
DOI - 10.1002/1522-2454(200210)14:5<285::aid-vipr285>3.0.co;2-1
Subject(s) - ultimate tensile strength , elongation , polyethylene , chemistry , polymer chemistry , nuclear chemistry , materials science , analytical chemistry (journal) , composite material , chromatography
Polyethylene greenhouse foils show an extraordinary prolonged lifetime at exposure to natural and artificial weathering if a gas‐phase fluorination under low‐pressure conditions was applied. The fluorination was performed by F 2 /N 2 mixtures and provided ca. 50 F/100 C (fluorination degree ≈ 25%). The lifetime of PE greenhouse foils at exposure to artificial or natural weathering were increased by at least the factor 2–4 measured in terms of tensile strength and break at elongation.
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