The co-deposition of acrylic acid and hexafluoropropylene oxide in pulsed plasmas was studied with the purpose to obtain wettable fluorocarbon coatings containing carboxylic acid groups, which are potentially useful for several employments, e.g., as proton-exchange membranes for electrochemical applications. It was found that the hydrophilic fluorocarbon thin films with the higher concentration of surface acidic groups can be obtained at lower duty cycle. After one week of immersion in water at 80°C the trends are inverted, the concentration of acidic groups and the wettability increase with the duty cycle.
HYDROPHILIC FLUOROCARBON COATINGS VIA PLASMA ENHANCED-CHEMICAL VAPOUR CO-DEPOSITION OF ACRYLIC ACID AND HEXAFLUOROPROPYLENE OXIDE
DE VIETRO, NICOLETTA
;MILELLA, ANTONELLA;FRACASSI, Francesco
2017-01-01
Abstract
The co-deposition of acrylic acid and hexafluoropropylene oxide in pulsed plasmas was studied with the purpose to obtain wettable fluorocarbon coatings containing carboxylic acid groups, which are potentially useful for several employments, e.g., as proton-exchange membranes for electrochemical applications. It was found that the hydrophilic fluorocarbon thin films with the higher concentration of surface acidic groups can be obtained at lower duty cycle. After one week of immersion in water at 80°C the trends are inverted, the concentration of acidic groups and the wettability increase with the duty cycle.File in questo prodotto:
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