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Surface Treatment of Polydimethylsiloxane (PDMS) with Atmospheric Pressure Rotating Plasma Jet. Modeling and Optimization of the Surface Treatment Conditions
Author(s) -
JofreReche José Antonio,
Pulpytel Jérôme,
Fakhouri Houssam,
ArefiKhonsari Farzaneh,
MartínMartínez José Miguel
Publication year - 2016
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.201500118
Subject(s) - polydimethylsiloxane , materials science , contact angle , atmospheric pressure plasma , nozzle , x ray photoelectron spectroscopy , composite material , jet (fluid) , polytetrafluoroethylene , polymer , amorphous solid , adhesive , plasma , analytical chemistry (journal) , chemical engineering , chromatography , chemistry , organic chemistry , physics , layer (electronics) , quantum mechanics , engineering , thermodynamics
Surface treatment of polydimethylsiloxane (PDMS) with a rotative nozzle atmospheric pressure plasma jet (APPJ) was reported. Operating conditions were optimized by statistical design of experiments, using water contact angle and XPS as response variables; OES (optical emission spectroscopy) was used for plasma diagnosis. The nozzle‐PDMS distance and the torch speed were the most influencing parameters and were optimum at 6.6 mm and 10.3 m s −1 , respectively. The extent of hydrophobic recovery of treated PDMS, investigated by water contact angle measurements, was less than what reported in the literature for this amorphous polymer. However, the APPJ treatment proposed in this paper is meant to be inserted in line for a homogeneous surface treatment of PDMS for enhanced adhesion improvement to coatings or adhesives.