Improving adhesion of powder coating on PEEK composite: Influence of atmospheric plasma parameters

Dupuis, Aurélie; Ho, Thu; Fahs, Ahmad; Lafabrier, Aurore; Louarn, Guy; Bacharouche, Jalal; Airoudj, Aissam; Aragon, E.; Chailan, Jean‐François

doi:10.1016/j.apsusc.2015.09.148

Cited by 41 publications

(23 citation statements)

References 41 publications

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“…The XPS characterizations suggest that air plasma treatment is more aggressive than nitrogen treatment and may lead to higher local temperatures. In their study, Dupuis et al also observed an increasing surface oxidation on their PEEK substrates activated with similar remote atmospheric pressure plasma [26]. They compared different gas of which air and nitrogen.…”

Section: Nitrogen Power {W)mentioning

confidence: 84%

“…In order to confirm these two hypotheses and gain further under standing, surface characterizations before the mechanical failure are necessary. Indeed, several studies show the relevance of certain theories in explaining the adhesion between a substrate and a polymer coating [26). , respectively [27,28).…”

Section: -In the Peek Polymer Matrix; -In The Coating; -In The Stiffementioning

confidence: 99%

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Fine-tuning of chemical and physical polymer surface modifications by atmospheric pressure post-discharge plasma and its correlation with adhesion improvement

Brès

Sanchot

Rives

et al. 2019

Surface and Coatings Technology

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This is an author's version published in: http://oatao.univ-toulouse.fr/23772 ARTICLE INFO ABSTRACTKeywords: Three•polnt bendlng test Cross-eut test Adheslon mechanJsms Atmospherlc pressure plasma PEEKmatrlxOur study focuses on the use of a remote atmospheric pressure plasma process for the improvement of polymer surface reactivity. Indeed, surface activation of carbon-fiber-reinforced pol ym ers that use a poly etheretherketone matrix is required to achieve strong and long-term adhesion of paint on the composite. Emphasis 111,ill be placed on the contribution of gas plasma used on surface modification. We use two techniques to characterize adherence improvement: a qualitative and industrial approach with a cross-eut test and a quantitative approach with a three-point bending test. However, to provide a better understanding of the plasma-induced modifications ttsing air or nitrogen gas, diagnostics of the surface are also necessary. The wettability improvement, chemical surface modifications, and topography are analyzed by using contact angle measurement, X-ray photoelectron spectroscopy, and atomic force microscopy, respectively. The combination of these diagnostics highlights the capability of plasma treatrnent to tune the plasma/surface interactions de pending on gas plasma, which results in improved adhesion. E-mail address: nicolas.naude@laplace.univ-tlse.fr ( N . Naudé). https://doi.org/10.1016/j.surfcoat.2019.01.102 2.6. Interface characterization by three-point bending test 2. 6.1. Relevance of the test Among the wide variety of mechanical tests, three-point bending test according to ISO 14679:1997 [19] presents some advantages in the context of this study. The good repeatability of the results, as a result of the tensile machine, coupled with the numerous types of exploitable information that can be obtained, ma.kes this test useful for a better

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Section: Nitrogen Power {W)mentioning

confidence: 84%

Section: -In the Peek Polymer Matrix; -In The Coating; -In The Stiffementioning

confidence: 99%

Fine-tuning of chemical and physical polymer surface modifications by atmospheric pressure post-discharge plasma and its correlation with adhesion improvement

Brès

Sanchot

Rives

et al. 2019

Surface and Coatings Technology

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“…As can be clearly seen in Figure a, a dramatic change in the color of the PA12 powder was observed as the pristine PA12 powder is white and becomes light brown after a 1 h exposure, and a darker brown after 2 h. The treated and nontreated powders were also pressed into solid discs with the disc surface displaying a uniform color which reveals that only fewer powder particles were not well‐exposed (see Figure b). Activated atoms and molecules in the electric field during plasma exposure react with the modified surface, creating new oxygenated groups and new chemical functionalities …”

Section: Resultsmentioning

confidence: 99%

“…Plasma‐ a reactive medium containing free electrons, excited and ionized atoms and molecules, radicals, and metastables and VIS‐UV radiation is widely applied also for chemically modification of polymer surfaces, e.g., ultrafine cleaning, functionalization, etching, or thin film deposition . Atmospheric pressure plasma jets are used to improve the wettability and adhesion, as is low pressure plasma . Both of these techniques are investigated in this work, although the plasma jet, can be expected to have an advantage that it is more economical than the low pressure ones requiring a vacuum chamber .…”

Section: Introductionmentioning

confidence: 99%

“…For this purpose, an advanced characterization of chemical properties is required in correlation to plasma process settings (gas, pressure, excitation frequency, power). Different gases or gas mixtures for example, Argon or Fluorine based plasmas such as CF 4 and oxygen gas plasma, are used for the surface hydrophilisation or hydrophobisation of polymers . Plasma based technique is a common way but not the only method, other types of methods like grafting or electron beam irradiation can also be used to manipulate the surface properties of materials …”

Section: Introductionmentioning

confidence: 99%

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Surface modification of the laser sintering standard powder polyamide 12 by plasma treatments

Almansoori

Masters

Abrams

et al. 2018

Plasma Processes & Polymers

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Polyamide 12 (PA12) powder was exposed for up to 3 h to low pressure air plasma treatment (LP‐PT) and several minutes by two different atmospheric pressure plasma jets (APPJ) i.e., kINPen (K‐APPJ) and Hairline (H‐APPJ). The chemical and physical changes resulting from LP‐PT were observed by a combination of Scanning Electron Microscopy (SEM), Hot Stage Microscopy (HSM) and Fourier transform infrared spectroscopy (FTIR), which demonstrated significant changes between the plasma treated and untreated PA12 powders. PA12 exposed to LP‐PT showed an increase in wettability, was relatively porous, and possessed a higher density, which resulted from the surface functionalization and materials removal during the plasma exposure. However, it showed poor melt behavior under heating conditions typical for Laser Sintering. In contrast, brief PJ treatments demonstrated similar changes in porosity, but crucially, retained the favorable melt characteristics of PA12 powder.

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Preparation and characterization of PCL‐grafted zein film via atmospheric‐pressure cold plasma pretreatment

Dong

Guo

et al. 2021

Plasma Processes & Polymers

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To improve the water resistance property of zein film, polycaprolactone (PCL) was grafted on the zein film after atmospheric-pressure cold plasma (ACP) pretreatment. The grafting yields of PCL ranging from 15.91% ± 0.67% to 28.95% ± 0.79% were remarkably enhanced than the untreated one (12.15% ± 0.57%; p < . 05), which indicated that ACP modification could effectively improve the grafting ability of the zein film. Fourier-transform infrared spectrum and X-ray diffraction patterns revealed that PCL layer had been successfully grafted and the lateral α-helix packing was susceptible to plasma treatment. Findings from this study indicated that ACP pretreatment was an effective modification approach in zein-based polymers for packaging application.

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Improving adhesion of powder coating on PEEK composite: Influence of atmospheric plasma parameters

Cited by 41 publications

References 41 publications

Fine-tuning of chemical and physical polymer surface modifications by atmospheric pressure post-discharge plasma and its correlation with adhesion improvement

Fine-tuning of chemical and physical polymer surface modifications by atmospheric pressure post-discharge plasma and its correlation with adhesion improvement

Surface modification of the laser sintering standard powder polyamide 12 by plasma treatments

Preparation and characterization of PCL‐grafted zein film via atmospheric‐pressure cold plasma pretreatment

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