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Formation of Highly Releasing PET Surfaces by Atmospheric Pressure Glow Plasma Fluorination and Surface Roughening
Author(s) -
Masutani Yasushi,
Nagai Nodoka,
Fujita Shiro,
Hayashi Masushi,
Kogoma Masuhiro,
Tanaka Kunihito
Publication year - 2007
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.200600072
Subject(s) - materials science , plasma , atmospheric pressure plasma , glow discharge , composite material , adhesive , surface (topology) , coating , surface modification , atmospheric pressure , analytical chemistry (journal) , layer (electronics) , chemical engineering , chromatography , chemistry , geometry , oceanography , physics , mathematics , quantum mechanics , engineering , geology
Combined surface treatments using plasma fluorination and surface roughening were applied to investigate whether they could increase the peel property of PET beyond the value needed for use as a release coating of pressure‐sensitive adhesive tapes. The peel strength of PET treated with CF 4 /He APG plasmas decreased to approximately 100 N · m −1 , but not quite to the ideal value of PTFE, 20 N · m −1 . We also prepared PET with a rough surface (matte PET) to examine the effect of surface roughening. The matte PET peel strengths were decreased by plasma fluorination; the roughest matte PET showed even lower peel strength than PTFE. We conclude that the combined treatments could be effective in the formation of a surface with high peel property on PET.
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