Formation of plasma-polymerized superhydrophobic coating using an atmospheric-pressure plasma jet

Hossain, Md. Mokter; Trinh, Quang Hung; Nguyen, Duc Ba; Sudhakaran, M.S.P.; Mok, Young Sun

doi:10.1016/j.tsf.2019.02.017

Cited by 21 publications

(14 citation statements)

References 60 publications

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“…Trivial alterations were indicated for the hydrogels affected by natural ageing process. This observation signified that the HMDSO coating had good physicochemical stability on the hydrogel surface which has also been reported previously . However, after a span of ten days, a slight rise in hydrophobicity was witnessed in the case of plasma‐modified hydrogels.…”

Section: Resultssupporting

confidence: 87%

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Controlled Release of 5‐Fluorouracil from Alginate Hydrogels by Cold HMDSO−Plasma Surface Engineering

et al. 2020

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For decades, 5‐fluorouracil (5FU) has been the only chemotherapeutic agent to demonstrate a strong activity against colorectal cancer. However intravenous administration of 5FU mandates the development of an oral controlled delivery system for improved patient compliances. With this rationale, hydrogels comprising polyvinyl alcohol and sodium alginate were crafted and subjected to cold atmospheric plasma treatment by coating with hexamethyldisiloxane (HMDSO) using three different carrier gases viz Ar, He and N2. Surface hydrophobicity ensuing from HMDSO plasma was evident from contact angle goniometry. FT‐IR analyses were affirmative of the effectual deposition of Si−O−Si and Si−CH3 groups on the hydrogel surfaces. Moreover, plasma treatment rendered the hydrogels stiffer and tougher. The plasma‐modified hydrogels displayed lower water uptake capacity in comparison to the pristine one. Drug release was significantly prolonged from the plasma‐treated hydrogels that conformed to the oral delivery of 5FU to colon. Preliminary kinetics assay revealed drug release was predominantly governed by polymer chain relaxation process post‐plasma modification. The Ar/HMDSO‐plasma modified hydrogel was found to be best of the lot for achieving an oral controlled release for 5FU.

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Section: Resultssupporting

confidence: 87%

“…However, after a span of ten days, a slight rise in hydrophobicity was witnessed in the case of plasma‐modified hydrogels. Such a rise has been observed earlier for HMDSO plasma treatment and mainly explained due to reorientation of the polar groups into the bulk and migration of low‐molecular‐weight fractions to the surface …”

Section: Resultssupporting

confidence: 65%

Controlled Release of 5‐Fluorouracil from Alginate Hydrogels by Cold HMDSO−Plasma Surface Engineering

et al. 2020

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“…Materials in a gaseous state at room temperature are themselves applied as precursors, whereas materials that exist as liquids are mainly introduced to a plasma region as an aerosol via atomizing or bubbling with gas. GATP methods are commonly used for the deposition of polymer films [ 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 ], as this method allows in-line processing by moving either the APP devices or the substrates [ 39 ].…”

Section: Synthesis Methods Using Gas/aerosol-type Precursors (Gatp)mentioning

confidence: 99%

“…Kodaira et al [ 56 ], Hossain et al [ 57 ], and Malinowski et al [ 58 ] proposed an APPJ with only pin-type electrodes for generating the APP, as shown in Figure 3 . Kodaira et al investigated the characterization of APP-polymerized hexamethyldisilazane (HMDSN); they used the same device as the studies from Ricci Castro et al [ 52 ], but without a grounded ring electrode ( Figure 3 a).…”

Section: Synthesis Methods Using Gas/aerosol-type Precursors (Gatp)mentioning

confidence: 99%

A Review of Plasma Synthesis Methods for Polymer Films and Nanoparticles under Atmospheric Pressure Conditions

et al. 2021

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In this paper, we present an overview of recent approaches in the gas/aerosol-through-plasma (GATP) and liquid plasma methods for synthesizing polymer films and nanoparticles (NPs) using an atmospheric-pressure plasma (APP) technique. We hope to aid students and researchers starting out in the polymerization field by compiling the most commonly utilized simple plasma synthesis methods, so that they can readily select a method that best suits their needs. Although APP methods are widely employed for polymer synthesis, and there are many related papers for specific applications, reviews that provide comprehensive coverage of the variations of APP methods for polymer synthesis are rarely reported. We introduce and compile over 50 recent papers on various APP polymerization methods that allow us to discuss the existing challenges and future direction of GATP and solution plasma methods under ambient air conditions for large-area and mass nanoparticle production.

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“…[ 1,2 ] However, the main disadvantages limiting the widespread commercial use of these materials is their poor corrosion resistance caused by the high chemical reactivity of magnesium as well as the poor wear resistance. [ 3–5 ] Therefore, surface protection of these materials via microarc oxidation, [ 6 ] femtosecond laser, [ 7 ] electrodeposition, [ 8 ] plasma electrolytical oxidation, [ 9 ] plasma jet [ 10 ] and so forth, is an attractive strategy for improving their performance and longevity. However, these technical solutions are complex, cumbersome, inefficient and hazardous to the environment.…”

Section: Introductionmentioning

confidence: 99%

High‐speed wire electrical discharge machining to create superhydrophobic surfaces for magnesium alloys with high corrosion and wear resistance

Qiu

Wei

et al. 2020

Materials & Corrosion

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Formation of plasma-polymerized superhydrophobic coating using an atmospheric-pressure plasma jet

Cited by 21 publications

References 60 publications

Controlled Release of 5‐Fluorouracil from Alginate Hydrogels by Cold HMDSO−Plasma Surface Engineering

Controlled Release of 5‐Fluorouracil from Alginate Hydrogels by Cold HMDSO−Plasma Surface Engineering

A Review of Plasma Synthesis Methods for Polymer Films and Nanoparticles under Atmospheric Pressure Conditions

High‐speed wire electrical discharge machining to create superhydrophobic surfaces for magnesium alloys with high corrosion and wear resistance

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