Recyclable cellulose nanofibers reinforced poly (vinyl alcohol) films with high mechanical strength and water resistance

Liu, Yu; Chen, Yi‐An; Hu, Qi

doi:10.1016/j.carbpol.2022.119729

Cited by 34 publications

(10 citation statements)

References 28 publications

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“…This is also due to the formation of more robust chemical bonds between the molecular chains of PVA through GA cross-linking. 35 However, the mechanical properties of the nanofiber mat containing SAs did not exhibit a notable enhancement post-cross-linking. The initial Xyl@PVA nanofibers were relatively robust yet brittle.…”

Section: Characterization Of Composite Nanofiber Matsmentioning

confidence: 94%

Studies on Preparation and Performances of Multifunctional Sugar Alcohol-Encapsulated Nanofiber Mats

Yang,

et al. 2024

ACS Appl. Polym. Mater.

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When confronted with thermal injuries resulting from high temperatures, such as burns or scalds, the affected area experiences a buildup of heat and exudate, leading to a range of biological alterations. To effectively manage these wounds, it is essential to initially provide cooling treatment, followed by facilitating gradual wound repair. In this study, we employed coaxial electrospinning technology to integrate small molecule sugar alcohols (SAs), including xylitol (Xyl), sorbitol (Sor), and erythritol (Ery), within a poly(vinyl alcohol) (PVA) nanofiber matrix. The successful creation of a core−shell structure was verified through transmission electron microscopy (TEM). Notably, the excellent water solubility, heat absorption, and cooling properties of SAs enabled these mats to generate a cooling effect of approximately 2−3 °C. Furthermore, we developed a composite nanofiber mat comprising encapsulated xylitol along with dopamine and silver incorporated into the shell layer (Xyl@PVA/DA-Ag). This mat exhibited self-adhesive properties and remarkable antimicrobial activity. Additionally, our observations revealed that both xylitol and dopamine possess the capability to scavenge reactive oxygen species (ROS), thereby mitigating wound inflammation. Collectively, the multifunctional SA-encapsulated nanofiber mats present a comprehensive therapeutic approach for thermal injuries, demonstrating significant potential for clinical application.

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Section: Characterization Of Composite Nanofiber Matsmentioning

confidence: 94%

Studies on Preparation and Performances of Multifunctional Sugar Alcohol-Encapsulated Nanofiber Mats

Yang,

et al. 2024

ACS Appl. Polym. Mater.

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“…The major peaks appeared on nanofibers in the range of 800-3500 cm −1 . Pure PVA nanofibers showed a major peak at 3304 cm −1 due to the stretching of hydroxyl groups [31]. While peaks related to the chemical structure of PVA appeared as C-H stretching at 2942 cm −1 , C-H bending at 1431 cm −1 and C-O stretching at 1092 cm −1 [42,43].…”

Section: Ftir Measurement Of Nanofibersmentioning

confidence: 99%

“…To the best of our knowledge, Polyvinyl alcohol (PVA) nanofibers have not yet been dyed and colored with doped dyeing, which is an area of potential exploration. PVA nanofibers have several hydroxyl groups appearing in the structure [31]. It is believed that the NFPs performance is also anticipated by the existence of OH groups in the polymer [32] due to the creation of hydrogen bonding between the dye (CP) and polymer, leading to the uniform dispersion of the CP within the nanofibers.…”

Section: Introductionmentioning

confidence: 99%

Plant extracted natural fluorescent protein C-phycocyanin doped in PVA nanofibers for advanced apparel application

Ghaffar

Mehdi²,

Hussain

et al. 2023

Mater. Res. Express

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Natural dyes are gaining a great deal of attention due to their eco-friendly and sustainable properties for advanced apparel applications. However, the reproducibility and accessibility of various colors using natural dyes remain challenging. In this study, plant-extracted fluorescent protein C-phycocyanin (CP) is used as a natural dye source and doped in polyvinyl alcohol (PVA) nanofibers via electrospinning for advanced apparel applications. The prepared nanofibers show a smooth and bead-free surface morphology. The FTIR results confirmed the formation of PVA nanofibers followed by a major peak at 3304 cm-1 due to the stretching of hydroxyl groups. Subsequently, CP-doping in PVA nanofibers is observed by the N–H deformation peaks at 1541 cm-1; C–N stretching vibrations at 1250 cm-1 and 1092 cm-1; and the C=O stretching vibrations of the carboxyl group at 1722 cm-1, respectively. Thus, CP-doped PVA nanofibers exhibit a good color strength (K/S) of 0.2 having a blue color tune and good color fastness properties. The mechanical strength of PVA nanofibers increased from 6 MPa to 18 MPa, due to crystalline characteristics endowed by the dope dyeing technique. Further, CP-doped PVA nanofibers exhibit homogeneous bright red fluorescence in individual nanofibers. Therefore, the proposed CP-doped PVA nanofibers can be used for flexible advanced apparel and biosensor applications.

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“…Thus, the water resistance of the PVA membrane material necessitates a modification to address this limitation. 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.…”

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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Recyclable cellulose nanofibers reinforced poly (vinyl alcohol) films with high mechanical strength and water resistance

Cited by 34 publications

References 28 publications

Studies on Preparation and Performances of Multifunctional Sugar Alcohol-Encapsulated Nanofiber Mats

Studies on Preparation and Performances of Multifunctional Sugar Alcohol-Encapsulated Nanofiber Mats

Plant extracted natural fluorescent protein C-phycocyanin doped in PVA nanofibers for advanced apparel application

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

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