Extraction of crystalline nanocellulose (CNC) from date palm mat fibers and its application in the production of nanocomposites with polyvinyl alcohol and polyvinylpyrrolidone blended films

Khatun, Most Afroza; Sultana, Shahin; Islam, Zahidul; Kabir, Mohammad Shahriar; Hossain, Md. Sahadat; Nur, Husna Parvin; Chowdhury, A. M. Sarwaruddin

doi:10.1016/j.rineng.2023.101031

Cited by 26 publications

(2 citation statements)

References 39 publications

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“…The applications were executed through diverse preparations and formulations of the PVA/PVP composition, tailored to suit various purposes (Table 1). Physical cross-linked PVA/PVP Nanofibers General use in agriculture [183] Physical cross-linked PVA/PVP Nanocomposite films loaded with crystalline nanocellulose Food packaging [184] Representative results from our recent studies demonstrated the effective results of these hydrogels against various pests as shown in Figures 6-9, respectively [65,116]. Physical cross-linked PVA/PVP Nanofibers General use in agriculture [183] Physical cross-linked PVA/PVP Nanocomposite films loaded with crystalline nanocellulose Food packaging [184] Representative results from our recent studies demonstrated the effective results o these hydrogels against various pests as shown in Figures 6-9, respectively [116] and [65] Physical cross-linked PVA/PVP Protective solution for the preparation of silver nanoparticles Antimicrobial activity [176] Physical cross-linked PVA and PVP Coated seeds loaded with pro-microbial inoculant…”

Section: Recent Agricultural Applications and Results With Pva/pvp-ba...mentioning

confidence: 99%

“…Plant growth-promoting bacteria [177] Physical cross-linked PVA/PVP Films loaded with CuO Antimicrobial activity [178] Physical cross-linked PVA/PVP Films loaded with Ormocarpum Cochinchinense Leaf Extract Antifungal and antimicrobial activity [179] Physical cross-linked PVA and PVP Encapsulation of living bacteria in dry coatings Bioremediation [180] Physical cross-linked PVA and PVP Nanofibers loaded with hormones Plant growth-promoting hormones [181] Physical cross-linked PVA/PVP Nanoribbons loaded with magnesium oxide Soil enrichment [182] Physical cross-linked PVA/PVP Nanofibers General use in agriculture [183] Physical cross-linked PVA/PVP Nanocomposite films loaded with crystalline nanocellulose Food packaging [184] Representative results from our recent studies demonstrated the effective results of these hydrogels against various pests as shown in Figures 6-9, respectively [116] and [65]…”

Section: Recent Agricultural Applications and Results With Pva/pvp-ba...mentioning

confidence: 99%

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Engineering of PVA/PVP Hydrogels for Agricultural Applications

Malka,

Margel

2023

Gels

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Hydrogels have gained significant popularity in agricultural applications in terms of minimizing waste and mitigating the negative environmental impact of agrochemicals. This review specifically examines the utilization of environmentally friendly, shapable hydrogels composed of polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP) in various casings for crop protection against different pests, fertilizing, and watering. To activate their effectiveness, PVA/PVP hydrogels were loaded with both hydrophilic and hydrophobic environmentally friendly pesticides, namely hydrogen peroxide (HP), the essential oil thymol, and urea as a fertilizer, either separately or in combination. This review covers various physical and chemical approaches used for loading, shaping, and controlling the release profiles of pesticides and fertilizers. Additionally, it explores the evaluation of the chemical composition, structure, classification, rheology, and morphology of the hydrogels as well as their impact on the thermal stability of the encapsulated pesticides and fertilizer, followed by biological tests. These hydrogels significantly contribute to the stabilization and controlled release of essential nutrients and biocides for plants, while maintaining excellent biocidal and fertilizing properties as well as sustainability characteristics. By shedding light on the latest insights into the concepts, applications, and results of these hydrogels, this review demonstrates their immense potential for widespread future use in agriculture.

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Section: Recent Agricultural Applications and Results With Pva/pvp-ba...mentioning

confidence: 99%

Section: Recent Agricultural Applications and Results With Pva/pvp-ba...mentioning

confidence: 99%

Engineering of PVA/PVP Hydrogels for Agricultural Applications

Malka,

Margel

2023

Gels

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Potential of Date Palm Fibers (DPFs) as a Sustainable Reinforcement for Bio‐ Composites and its Property Enhancement for Key Applications: A Review

Dhakal,

Khan,

Alnaser

et al. 2024

Macro Materials & Eng

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This article presents a comprehensive review of the advancements in the use of Date Palm Fiber (DPF) reinforced composites, highlighting their mechanical, thermal, and morphological properties and the enhancements achieved through various modification techniques. Date palm fibers, a sustainable and biodegradable resource, have garnered significant interest due to their potential in reducing environmental impact across several key industries, including building and construction, automotive, and packaging. The review discusses the effects of hybrid approaches and physical and chemical treatments on the mechanical properties of DPF composites, demonstrating improvements in tensile strength, elasticity, and flexural strength through optimized fiber‐matrix bonding and reduced moisture absorption. Thermal behavior analyses through Thermogravimetric Analysis (TGA), Dynamic Mechanical Analysis (DMA), and thermal conductivity underscore the composites’ suitability for applications requiring high thermal stability and conductivity for insulation applications. Morphological studies reveal that surface‐treated fibers integrate more effectively with various polymeric matrices, leading to enhanced composite performance. The practical applications of DPF composites are explored, emphasizing their role in promoting sustainable manufacturing practices. Challenges such as scalability, cost‐efficiency, and performance consistency are addressed, alongside future perspectives that suggest a promising direction for further research and technological development in the field of natural fiber composites. This review aims to solidify the foundation for ongoing advancements and increase the adoption of DPF composites in commercial applications.

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Ultra‐strong and biodegradable nanocomposite fibers of poly(butylene adipate‐co‐terephthalate)/cellulose nanocrystal prepared by dry‐jet wet spinning

Lee,

Kim,

Kim

et al. 2024

Polymer Composites

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Fiber‐based products constitute a significant portion of plastic waste and cause environmental damage. In particular, discarded sanitary masks and fishing gear disintegrate into microfiber plastics, posing a significant threat to human health and ecosystems. In this study, we developed robust biodegradable nanocomposite fibers of poly(butylene adipate‐co‐terephthalate) (PBAT)/cellulose nanocrystals (CNCs) (1 and 2 wt%) through dry‐jet wet spinning, by using dimethyl sulfoxide (DMSO) as a common solvent. The control PBAT fibers exhibit remarkable mechanical performance with tensile strength and toughness of 160.0 MPa and 43.0 MJ m−3, respectively. CNC addition has a toughening effect with slightly reduced strength but enhanced toughness (148.8 MPa and 69.0 MJ m−3, respectively, for 2 wt% CNC); their mechanical performances are superior to those of previously reported PBAT‐based materials. The remarkable performance of the fibers is attributed to a highly oriented structure with a total draw ratio of 15 after post‐hot drawing. The control and nanocomposite fibers exhibit spot‐like patterns in 2D wide‐angle x‐ray diffraction patterns with Herman's orientation factor of 0.54–0.58. The theoretical Hansen solubility parameter confirmed the poor chemical affinity between the PBAT and CNC. Nonetheless, the rheological characterization revealed that well‐dispersed CNCs with DMSO produced a physical network in the PBAT matrix, resulting in the toughening effect. Such robust nanocomposite fibers consisting of fully biodegradable components are promising alternatives to nondegradable nylon and polyester fibers.Highlights Robust biodegradable nanocomposite fibers of PBAT and CNC are prepared. Nanocomposite fibers are dry‐jet wet spun using DMSO as a common solvent. PBAT fibers exhibit strength and toughness of 160.0 MPa and 43.0 MJ m−3. 2 wt% CNC toughens the PBAT fibers with an enhanced toughness of 69.0 MJ m−3. Rheological results confirm the toughening effect of well‐dispersed CNC in PBAT.

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Extraction of crystalline nanocellulose (CNC) from date palm mat fibers and its application in the production of nanocomposites with polyvinyl alcohol and polyvinylpyrrolidone blended films

Cited by 26 publications

References 39 publications

Engineering of PVA/PVP Hydrogels for Agricultural Applications

Engineering of PVA/PVP Hydrogels for Agricultural Applications

Potential of Date Palm Fibers (DPFs) as a Sustainable Reinforcement for Bio‐ Composites and its Property Enhancement for Key Applications: A Review

Ultra‐strong and biodegradable nanocomposite fibers of poly(butylene adipate‐co‐terephthalate)/cellulose nanocrystal prepared by dry‐jet wet spinning

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