Enhanced Wetting and Adhesive Properties by Atmospheric Pressure Plasma Surface Treatment Methods and Investigation Processes on the Influencing Parameters on HIPS Polymer

Abstract

The development of bonding technology and coating technologies require the use of modern materials and topologies for the demanding effect and modification of their wetting properties. For the industry, a process modification process that can be integrated into a process is the atmospheric pressure of air operation plasma surface treatment. This can be classified and evaluated based on the wettability, which has a significant impact on the adhesive force. The aim is to improve the wetting properties and to find the relationship between plasma treatment parameters, wetting, and adhesion. High Impact PolyStyrene (HIPS) was used as an experimental material, and then the plasma treatment can be treated with various adjustable parameters. The effect of plasma parameters on surface roughness, wetting contact angle, and using Fowkes theory of the surface energy have been investigated. Seven different plasma jet treatment distances were tested, combined with 5 scan speeds. Samples with the best plasma parameters were prepared from 25 mm × 25 mm overlapping adhesive joints using acrylic/cyanoacrylate. The possibility of creating a completely hydrophilic surface was achieved, where the untreated wetting edge angle decreased from 88.2° to 0° for distilled water and from 62.7° to 0° in the case of ethylene glycol. The bonding strength of High Impact PolyStyrene was increased by plasma treatment by 297%.

Atmospheric plasma activation and thin film deposition processes for adhesion improvement and corrosion resistance in the automotive industry

“…When related to adhesion properties and as mentioned by Bercezeli et al, [ 20 ] plasma overtreatment with low speed of treatment can damage the surface of the polystyrene polymer and drastically impact the adhesion with an acrylic/cyanoacrylate adhesive. On the contrary, selecting the right plasma parameters with the appropriate treatment characterized by better wettability can lead to an increase in the bonding strength by up to 297%.…”

Surface modification and improvements of wicking properties and dyeability of grey jute-cotton blended fabrics using low-pressure glow discharge air plasma

“…The jute-cotton blended fabrics' surface became rougher after plasma treatment for the plasma etching technique [ 57 , 58 ]. The greater roughness of treated fabric arises from the fibrillation processes related to the energetic plasma and the treatment's moving route [ 59 ]. Plasma treated jute-cotton fabric surface introduces some black cracks visible in Figure 3 (b).…”

Improving film adhesive joining performance of poly(phenylene sulfide)/carbon fiber thermoplastic composite laminates by plasma surface treatment

“…It was stated in the literature [42][43][44][45][46] that the main reason for the slight increases or decreases on the surface roughness values during plasma treatments was the physical and energetic interactions between the positively and negatively charged ionized plasma particles and the atoms or molecules present at the surface.…”