Plasma surface modification of polymers for improved adhesion: a critical review

Liston, E. M.; Martinů, L.; Wertheimer, M. R.

doi:10.1163/156856193x00600

Cited by 982 publications

(568 citation statements)

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“…For this, different treatments were used: chemical etching [20], high energy ion radiation [21], X-ray and electron irradiation [22], and plasma etching [23][24][25], the last being considered to be one of the most efficient techniques for surface activation of polymers [26]. It is well known that plasma environments contain neutral species, energetic ions, electrons, and photons.…”

Section: Introductionmentioning

confidence: 99%

“…The low surface energy of PMMA combined with the thermal stress of evaporated inorganic thin films may have a negative effect on the adhesion of coatings, which is the main problem for coating PMMA. Low pressure plasma treatment is a convenient way to activate polymer surface before coating [26]. Different radio frequency (RF) glow discharge plasma treatments that influence the surface energy of PMMA have been described in the literature [28][29][30][31].…”

Section: Introductionmentioning

confidence: 99%

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Surface characterization of air plasma treated poly vinylidene fluoride and poly methyl methacrylate films

Pawde

Deshmukh

2009

Polymer Engineering & Sci

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In this investigation, the surface modification of poly vinylidene fluoride (PVDF) and poly methyl methacrylate (PMMA) film induced by air plasma has been investigated using contact angle measurement, electron spectroscopy for chemical analysis (ESCA), and ATR‐FTIR spectroscopy. Plasma treatment affects the polymer surfaces to an extent of several hundreds to several thousand angstroms deep, and the bulk properties of the polymer substrate are never modified because of its low penetration range. Plasma surface treatment also offers the advantage of greater chemical flexibility. The plasma exposure leads to weight loss and changes in the chemical composition of the polymer film surfaces. The contact angle of water shows decrease in surface wettability of PVDF and PMMA as the treatment time increases. The improvement in adhesion was studied by measuring T‐peel strength. In addition, printability of plasma treated PVDF and PMMA was studied by cross test method. It was found that printability increases considerably for plasma treatment of short duration. Surface energy and surface roughness can be directly correlated to the improvement in the aforementioned surface related properties. POLYM. ENG. SCI., 2009. © 2009 Society of Plastics Engineers

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Surface characterization of air plasma treated poly vinylidene fluoride and poly methyl methacrylate films

Pawde

Deshmukh

2009

Polymer Engineering & Sci

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“…Thus, technologies that involve surface engineering to convert inexpensive LDPE into valuable finished goods have become more important. In order to address these issues, treatments to increase the surface energy of the polymer by introducing polar functionalities are essentially desirable [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Flame treatment of low-density polyethylene: Surface chemistry across the length scales

Song¹,

Gunst

Arlinghaus

et al. 2007

Applied Surface Science

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The relationship between surface chemistry and morphology of flame treated low-density polyethylene (LDPE) was studied by various characterization techniques across different length scales. The chemical composition of the surface was determined on the micrometer scale by Xray photoelectron spectroscopy (XPS) as well as with time of flight secondary ion mass spectrometry (ToF-SIMS), while surface wettability was obtained through contact angle (CA) measurements on the millimeter scale. The surface concentration of hydroxyl, carbonyl and carboxyl groups, as a function of the ''number'' of the flame treatment passes (which is proportional to the treatment time) was obtained. Moreover, a correlation was found with chemical composition and polarity, emphasizing the role of oxygen-containing functional groups introduced during the treatment. Carboxyl functional groups were specifically identified by fluorescent labeling and the results were compared with the ToF-SIMS data. In addition, atomic force microscopy (AFM) was used to evaluate changes in surface topography and roughness on the nanometer to micrometer length scales. After flame treatment, water-soluble low molecular weight oxidized materials (LMWOM), which were generated as products of oxidation and chain scission of the LDPE surface, agglomerated into small topographical mounds that were visible in the AFM micrographs. After rinsing the flame treated samples with water and ethanol, bead-like nodular surface structures were observed. The ionization state of flame treated LDPE surfaces was monitored by chemical force microscopy (CFM). The effective surface pK a values of carboxylic acid (-COOH) obtained by AFM were revealed by chemical force titration curves and the effective surface pK a values were found to be around 6. #

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“…Therefore, work conducted by Wertheimer et al on coating aging (hydrophobic recovery) [49] as well as stability of film by spectrometry [20] is quite useful. The critical issues of PECVD demonstrated by Bunshah [35] coupled with the mass transport considerations proposed by Goyal et al [50] and the critical review from Liston et al [51] can be used to assist in reactor design. Moreover, the kinetic and thermodynamic considerations presented by Choy [13] are valid for all CVD techniques.…”

Section: Current Knowledge Gapmentioning

confidence: 99%

Photo-initiated chemical vapor deposition as a scalable particle functionalization technology (a practical review)

Dion

Tavares

2013

Powder Technology

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Plasma surface modification of polymers for improved adhesion: a critical review

Cited by 982 publications

References 0 publications

Surface characterization of air plasma treated poly vinylidene fluoride and poly methyl methacrylate films

Surface characterization of air plasma treated poly vinylidene fluoride and poly methyl methacrylate films

Flame treatment of low-density polyethylene: Surface chemistry across the length scales

Photo-initiated chemical vapor deposition as a scalable particle functionalization technology (a practical review)

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