Adhesion studies of atmospheric pressure plasma-modified polyester fabrics with polyurethane coating

Palaskar, Shital S.

doi:10.1080/01694243.2023.2202951

Cited by 7 publications

(3 citation statements)

References 68 publications

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“…We suggest that the fractal features displayed by the PT samples might have their origin in the intrinsic roughness already present in the NT samples, which may act as ‘fractal’ seeds undergoing huge height fluctuations during the plasma treatment (see Table 2). Indeed, the relationship between fractal morphology and surface area discussed here is relevant to many interfacial phenomena, such as adhesion and absorption properties of gases and liquids, 35,41,81 and wettability characteristics of surfaces. 44,45…”

Section: Discussionmentioning

confidence: 99%

“…As reported in the plasma-processing literature, both natural and synthetic polymeric surfaces have been manufactured at the nanoscale, for instance, to increase the adhesivity of materials to resins for coating 31,32 and the interfacial bonding of polymers to inorganic substrates. 33 The use of plasma techniques, to increase the surface roughness, finds important applications also in clothing, 34,35 packaging, 36,37 the food industry, 38 oil–water separation, 39 and the development of future polymeric surfaces to be used in the biomedical sector. 40,41…”

Section: Introductionmentioning

confidence: 99%

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The fractal geometry of polymeric materials surfaces: surface area and fractal length scales

Roman,

Cesura,

Maryam

et al. 2024

Soft Matter

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The fractal geometry of polymeric materials surfaces: surface area and fractal length scales

Roman,

Cesura,

Maryam

et al. 2024

Soft Matter

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“…16 Low-temperature plasma-treated polyester fabrics exhibited similar adhesive power brought about by higher surface energy. 17 A plasma beam was used to modify cotton fabric to render its surface hydrophobic with induced water repellency. 18 It has been reported that measuring the frictions between individual fibers proved that the low temperature plasma modification of wool lessened the directional frictional effect of the fibers, which may bring about an shrink-proofing effect to wool.…”

Section: Introductionmentioning

confidence: 99%

Biopolymer-loaded plasma-mediated multi-functional finishes of polypropylene fabrics

Abou-Taleb,

El-Sayed

2024

Polymers from Renewable Resources

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Polypropylene (PP) has unique competitiveness with other synthetic fibers due to its suitable spinnability, availability of raw materials, and low processing cost. PP fabric exhibits excellent chemical, physical, and mechanical properties, such as a light texture, adequate tensile strength, and resistance to most chemicals. However, the absence of reactive functional groups in PP fiber, besides its high crystallinity, results in hydrophobic surface, low affinity to dyestuffs, and poor antistatic properties, which restrict its use in the clothing field. Herein, a water- and energy-saving, eco-friendly finish is proposed to render PP desired properties suitable for textile applications. The surface of PP fabric was activated using oxygen and nitrogen plasma radiations. The plasma-irradiated PP fabric was post-treated with two renewable eco-friendly proteinic biopolymers, namely gelatin and sericin, in the presence and absence of a crosslinking agent. The effects of different process conditions on the properties of the modified PP, including the duration of plasma exposure, the concentration of biopolymer, and treatment temperature were monitored. The affinity of the treated PP fabric towards anionic and cationic dyes was evaluated. The findings of this study demonstrated that the comfort attributes of the plasma/biopolymer-finished fabrics, such as the induced antistatic properties, wettability, and ultraviolet protection, were remarkably improved. The plasma-mediated biopolymer-finished PP fabrics were found dyeable with cationic and anionic dyes. The change in the chemical and morphological structures of PP fabrics was monitored using Fourier transform infrared spectroscopy, scanning electron microscopy, and energy dispersive X-ray spectroscopy.

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Plasma‐assisted incorporation of flame‐retardant chemicals for improved flame retardancy of polyester fabrics

Nandy,

Sreekumar,

Palaskar

et al. 2024

Polymer Engineering & Sci

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The polyester fabric was subjected to atmospheric plasma and impregnated with commercially available 3‐hydroxyphenyl phosphinyl‐propanoic acid (3HPP) as flame retarding agent by high‐temperature high pressure (HTHP) dyeing method. Various concentrations of 3HPP in water, up to 4% w/v, were applied using the HTHP method. It was observed that the plasma treatment not only enhanced wettability and wicking but also facilitated increased pickup of 3HPP onto the polyester. The treatment exhibited a noteworthy enhancement in the limiting oxygen index (LOI), rising from 20.8% for the untreated control fabric to 30% for the fabric treated with plasma and a 4% 3HPP solution. Additionally, the application of 3HPP without plasma treatment did not yield significant improvements in flame‐retardant (FR) properties. The combined treatment of plasma and 3HPP resulted in an LOI of 29% with a 2% 3HPP treatment, while at the same concentration without plasma treatment, the LOI value was 26.8%. The heightened LOI was primarily attributed to the presence of phosphorus, as confirmed by high‐performance liquid chromatography and energy‐dispersive X‐ray spectroscopy. Additionally, the wash durability assessment of plasma‐processed and 3HPP‐treated samples demonstrated sustained flame retardancy, with an LOI of approximately 28% even after undergoing 20 wash cycles. Vertical flammability and cone calorimetry also confirm improved FR properties after treatment. Remarkably, the mechanical properties and surface morphology of the fabric remained unaltered following both plasma and chemical treatments.Highlights Easy and cost‐effective technique for the downstream process for FR polyester fabric. FR agent during polymerization has the disadvantage of lower molecular weight. Potential for producing FR industrial polyester fabric. Post‐plasma treatment improves the washing fastness. The mechanical and comfort properties remain intact during the process.

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Adhesion studies of atmospheric pressure plasma-modified polyester fabrics with polyurethane coating

Cited by 7 publications

References 68 publications

The fractal geometry of polymeric materials surfaces: surface area and fractal length scales

The fractal geometry of polymeric materials surfaces: surface area and fractal length scales

Biopolymer-loaded plasma-mediated multi-functional finishes of polypropylene fabrics

Plasma‐assisted incorporation of flame‐retardant chemicals for improved flame retardancy of polyester fabrics

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