Experimental and theoretical study of (PVC) nanoparticles prepared by laser ablation in ethanol

Jawad, Huda M.; Shallal, Ikhlas H.; Hassoni, Majid H.

doi:10.1063/1.5117028

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Using the atomic force microscopy was found that the investigated polymer after plasma modification showed an increase in surface area, while a change in roughness was also demonstrated, Figure 4. The measured results are also confirmed by the literature [31][32][33][34][35][36]. The results of the investigation are processed in the table and the topology of the surfaces is shown in the figure, Table 2, Figure 5.…”

Section: Wettability Of Surfaces -Determination Of the Contact Angle ...supporting

confidence: 82%

Application of diffuse coplanar surface barrier plasma discharge to polymeric materials

Janík¹,

Kohutiar

Pajtášová³

et al. 2022

Materialwissenschaft Werkst

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The KPR 200 mm plasma reactor is a device designed for the surface modification of various materials. Such a modification occurs by applying a unique type of plasma – plasma generated on a ceramic dielectric. The ceramic dielectric is a durable system with which it is possible to continuously modify the surfaces of materials with such a plasma. The advantage of applying this unique type of plasma is that the modification of the materials occurs at room temperature and atmosphere. However, it is necessary to monitor and observe certain parameters, for example: the selected power, the exposure time of the surfaces of the modified materials, and the distance of the surface from the ceramic dielectric itself. Therefore, in the present paper, the effect of diffuse coplanar surface barrier discharge (DCSBD) plasma discharge on selected polymeric materials was investigated. Plasma impact assessment was also performed using image analysis, that could provide relevant information in the process of plasma‐chemical modification. Changes in the surfaces of the investigated thin polyvynil chloride material, before and after exposure to plasma discharge, were also observed (changes in contact angle, atomic force microscopy).

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Section: Wettability Of Surfaces -Determination Of the Contact Angle ...supporting

confidence: 82%

Application of diffuse coplanar surface barrier plasma discharge to polymeric materials

Janík¹,

Kohutiar

Pajtášová³

et al. 2022

Materialwissenschaft Werkst

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“…AFM images of surfaces are shown in Figure 10. From the results obtained using AFM analysis, it can be stated that the surfaces of all the polymer films modified by DCSBD plasma discharge, recorded an increase in surface area and an increase in roughness (relative to the surface of the polymer film, which was not plasma modified) [56][57][58][59][60][61][62]. A new finding in the field of research is that a surface roughening of the plasma-unmodified side (surface B) on the PVC polymer film was noted, as well as an increase in surface area compared to the standard PVC sample.…”

Section: Comparison Of Surface Area and Roughness Increase With Type1...mentioning

confidence: 99%

DMA Analysis of Plasma Modified PVC Films and the Nature of Initiated Surface Changes

et al. 2022

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The application of DCSBD (Diffuse Coplanar Surface Barrier Discharge) plasma is referred to as the surface modification/activation of materials. The exposure of material surfaces to DCSBD plasma is initiated by changes in their chemical composition, surface wettability and roughness. The given study presents the mentioned plasma application in the context of the modification of the material viscoelastic properties, namely the PVC polymer film. The measurement of viscoelastic properties changes of PVC was primarily examined by a sensitive thermal method of dynamic-mechanical analysis. This analysis allows identifying changes in the glass transition temperature of PVC, before and after DCSBD plasma application, Tangens Delta, supported by glass transition temperatures of Elastic and Loss modulus. The results of the present study prove that DCSBD plasma applied on both sides to PVC surfaces causes changes in its viscoelastic properties. In addition, these changes are presented depending on the variability of the material position, with respect to the winding of the electrodes in the ceramic dielectric generating the DCSBD plasma during modification. The variability of the PVC position holds an important role, as it determines the proportion of filamentous and diffuse components of the plasma that will interact with the material surface during modification. The application of DCSBD plasma must, therefore, be considered a complex modification of the material, and as a result, non-surface changes must also be considered.

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“…The absence of more extensive risk assessment studies is perhaps related to the fact that researchers' access to nanoparticles of relevant plastics, particularly those that include a label for specific analytical 4 methods, has been limited. A few groups have studied plastic nanoparticles made of polymers other than PS, and reported the creation of PET or PVC particles through laser ablation [31,32] or PET, PE, and Nylon particles via chemical re-precipitation or microemulsions [33][34][35]. Some additional work has been done involving the chemical synthesis of PP particles [36] and the generation of PE particles through mechanical means [37].…”

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confidence: 99%

Fluorescent plastic nanoparticles to track their interaction and fate in physiological environments

Caldwell

Lehner

Balog

et al. 2021

Environ. Sci.: Nano

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Experimental and theoretical study of (PVC) nanoparticles prepared by laser ablation in ethanol

Cited by 4 publications

References 8 publications

Application of diffuse coplanar surface barrier plasma discharge to polymeric materials

Application of diffuse coplanar surface barrier plasma discharge to polymeric materials

DMA Analysis of Plasma Modified PVC Films and the Nature of Initiated Surface Changes

Fluorescent plastic nanoparticles to track their interaction and fate in physiological environments

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