Structural, morphological and electrical properties of PVA/Au nanocomposite films

Martis, Lavita J.; Parushuram, N.; Sangappa, Y.

doi:10.1016/j.matpr.2021.07.453

Cited by 5 publications

(2 citation statements)

References 17 publications

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“…Various modification methods − have been proposed, including blending modification, physical cross-linking, chemical modification, cross-linking, and graft modification. Physical cross-linking regulates hydrogen bonds, − while chemical cross-linking utilizes cross-linking agents such as glutaraldehyde, − citric acid, , and sulfosuccinic acid to form a covalent bonding network structure. This confers to the PVA film material improved swelling resistance, thermal stability, and mechanical strength.…”

Section: Introductionmentioning

confidence: 99%

Water Resistance, Mechanical Properties and Water-Induced Shape Memory Properties of Poly(vinyl Alcohol) Materials Modified by Waste Polyester Depolymerization Monomer

Shen,

He,

Zhai

et al. 2024

ACS Appl. Polym. Mater.

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Depolymerizing waste polyethylene terephthalate (PET) into monomers and subsequently processing and utilizing them is widely acknowledged as one of the most effective recycling methods for waste PET. The poor water stability of poly(vinyl alcohol) (PVA) necessitates modification to enhance its application scope. Thus, this study explores the use of recycled terephthalic acid (rTPA) obtained from waste PET depolymerization to modify PVA, aiming to improve its water resistance, functionalize it, and expand its potential applications. Initially, the k-rTPA modifier was synthesized by treating rTPA with a silane coupling agent (γ-aminopropyltriethoxysilane, KH550). Subsequently, the k-rTPA modifier was employed to enhance the mechanical properties and thermal stability of PVA. Specifically, the elongation at break of the PVA/k-rTPA mixture increased from 169.87 to 364.67%, representing a 114.6% improvement over pure PVA. Moreover, the water resistance was significantly enhanced, indicated by a reduction in the equilibrium swelling rate from 197.5 to 76.6%, marking a 157.8% increase, as well as an increase in the contact angle and extended water dissolution time. Furthermore, the PVA/k-rTPA material demonstrated remarkable water-induced shape memory properties. Consequently, the introduction of the k-rTPA modifier notably enhances the performance of PVA materials, suggesting significant potential applications and broadening its scope of utilization.

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Section: Introductionmentioning

confidence: 99%

Water Resistance, Mechanical Properties and Water-Induced Shape Memory Properties of Poly(vinyl Alcohol) Materials Modified by Waste Polyester Depolymerization Monomer

Shen,

He,

Zhai

et al. 2024

ACS Appl. Polym. Mater.

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show abstract

“…Poly(vinyl alcohol) (PVA), known for its chemical reactivity, excellent solubility, film-forming capabilities, strong physical properties, biocompatibility, and biodegradability, is a crucial synthetic resin. − Although PVA is not commonly associated with shape memory materials, research and applications in this field are progressing. Shape memory materials − have the distinctive capacity to “remember” and revert to their original shape when exposed to external stimuli.…”

Section: Introductionmentioning

confidence: 99%

Chitosan Oligosaccharide Modified with the Waste Polyethylene Terephthalate Depolymerization Monomer Enhances the Water-Induced Shape Memory Performance of PVA

Shen,

He,

Zhai

et al. 2024

ACS Sustainable Chem. Eng.

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Novel nanocomposites based on polyvinyl alcohol and molybdenum nanoparticles for Gamma irradiation shielding

Abulyazied¹,

Saudi²,

Zakaly³

et al. 2022

Optics & Laser Technology

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Structural, morphological and electrical properties of PVA/Au nanocomposite films

Cited by 5 publications

References 17 publications

Water Resistance, Mechanical Properties and Water-Induced Shape Memory Properties of Poly(vinyl Alcohol) Materials Modified by Waste Polyester Depolymerization Monomer

Water Resistance, Mechanical Properties and Water-Induced Shape Memory Properties of Poly(vinyl Alcohol) Materials Modified by Waste Polyester Depolymerization Monomer

Chitosan Oligosaccharide Modified with the Waste Polyethylene Terephthalate Depolymerization Monomer Enhances the Water-Induced Shape Memory Performance of PVA

Novel nanocomposites based on polyvinyl alcohol and molybdenum nanoparticles for Gamma irradiation shielding

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