Please use this identifier to cite or link to this item: https://doi.org/10.1023/A:1011354001424
Title: Surface modification of poly(tetrafluoroethylene) films by plasma pre-activation and plasma polymerization of glycidyl methacrylate
Authors: Zou, X.P.
Kang, E.T. 
Neoh, K.G. 
Cui, C.Q. 
Lim, T.B. 
Keywords: Adhesion
Glycidyl methacrylate
Plasma polymerization
Poly(tetrafuoroethylene)
Polyimides
XPS
Issue Date: Dec-2001
Source: Zou, X.P.,Kang, E.T.,Neoh, K.G.,Cui, C.Q.,Lim, T.B. (2001-12). Surface modification of poly(tetrafluoroethylene) films by plasma pre-activation and plasma polymerization of glycidyl methacrylate. Plasmas and Polymers 5 (3-4) : 219-234. ScholarBank@NUS Repository. https://doi.org/10.1023/A:1011354001424
Abstract: Surface modification of poly(tetrafuoroethylene) (PTFE) film by plasma polymerzation and deposition of glycidyl methacrylate (GMA), in the presence and absence of Ar or O2 plasma pre-activation, was carried out to enhance the adhesion with polyimides (PI) film in the presence of an epoxy adhesive. For deposition carried out at low RF power, a high epoxide concentration was preserved in the plasma-polymerized GMA (pp-GMA) layer on PTFE (pp-GMA-PTFE). However, high adhesion strength of the PI/pp-GMA-PTFE laminate was obtained only in the presence of O2 plasma pre-activation of the PTFE substrates prior to plasma polymerization and deposition of GMA. In the absence of any plasma pre-activation or in the presence of Ar plasma pre-activation, the deposited pp-GMA layer on the PTFE surface could be readily removed by solvent extraction. The adhesion enhancement of the PI/pp-GMA-PTFE laminates in the presence of O2 plasma pre-activation was attributed to the preservation of the epoxide functional groups in the pp-GMA layer, the curing of the GMA chains into the matrix of the epoxy adhesive, and the covalent bonding of the pp-GMA layer on the PTFE surface.
Source Title: Plasmas and Polymers
URI: http://scholarbank.nus.edu.sg/handle/10635/92375
ISSN: 10840184
DOI: 10.1023/A:1011354001424
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