Photocatalytic Degradation of Textile Dye on Blended Cellulose Acetate Membranes

Asiri, Abdullah M.; Pugliese, Valerio; Petrosino, Francesco; Khan, Sher Bahadar; Alamry, Khalid A.; Alfifi, Soliman Y.; Marwani, Hadi M.; Alotaibi, Maha M.; Mukherjee, D. P.; Chakraborty, Sudip

doi:10.3390/polym14030636

Cited by 28 publications

(12 citation statements)

References 46 publications

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“…These findings are consistent with those of previous studies [ 67 , 69 ]. Neat cellulose acetate-based films exhibited a moderate water contact angle value (WCA = 92.7°) due to the hydrophobicity of cellulose acetate [ 70 , 71 ]. The incorporation of hydrophobic Fe x O y -NPs enhanced the hydrophobicity of the cellulose acetate-based nanocomposite films by increasing the WCA to 105 °.…”

Section: Resultsmentioning

confidence: 99%

Biopolymer-Based Films Reinforced with FexOy-Nanoparticles

et al. 2022

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Nowadays, natural polymer-based films are considered potentially environmentally friendly alternatives to conventional plastic films, due to many advantageous properties, including their easy processability, high flexibility, non-toxicity, low cost, high availability, and environmental safety. However, they are limited in their application by a number of shortcomings, including their high water solubility and vapor permeability as well as their poor opacity and low mechanical resistance. Thus, nanoparticles, such as green FexOy-NPs, can be used to overcome the drawbacks associated with these materials. Therefore, the aim of this study was to develop three different polymer-based films (gelatin-based, cellulose acetate-based and chitosan-based films) containing green synthesized FexOy-NPs (1.0% w/w of the initial polymer weight) as an additive to improve film properties. This was accomplished by preparing the different films using the casting method and examining their physicochemical, mechanical, microstructural, and functional characteristics. The results show that the incorporation of FexOy-NPs into the different films significantly enhanced their physicochemical, mechanical, and morphological properties as well as their antioxidant characteristics. Consequently, it was possible to produce suitable natural polymer-based films with potential applications across a wide range of industries, including functional packaging for food, antioxidants, and antimicrobial additives for pharmaceutical and biomedical materials as well as pesticides for agriculture.

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Section: Resultsmentioning

confidence: 99%

Biopolymer-Based Films Reinforced with FexOy-Nanoparticles

et al. 2022

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“…This value may confirm the effect of the polymer concentration on the hydrophilic behavior of a thin film [ 74 , 75 ]. In contrast, other studies have reported hydrophobic behaviors of CA-based films [ 76 , 77 ]. The hydrophobic behavior of CA-based neat film prepared at 2% ( w / v in acetone) was also reported in a previous study with the WCA ≈ 93° [ 78 ].…”

Section: Resultsmentioning

confidence: 82%

Biopolymer-Based Films Reinforced with Green Synthesized Zinc Oxide Nanoparticles

et al. 2022

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Nowadays, biopolymer-based films are being developed as an alternative to conventional plastic-based films, mainly because they are non-toxic, flexible, inexpensive, and widely available. However, they are restricted in their applications due to several deficiencies in their properties. Accordingly, the reinforcement of these materials with nanoparticles/nanofillers could overcome some of their shortcomings, especially those processed by green methods. Green synthesized zinc oxide nanoparticles (ZnO-NPs) are highly suggested to overcome these deficiencies. Therefore, the main aim of this work was to develop different biopolymer-based films from cellulose acetate (CA), chitosan (CH), and gelatin (GE) reinforced with ZnO-NPs prepared by casting, and to assess their different properties. The results show the improvements produced by the incorporation of ZnO-NPs (1% w/w) into the CA, CH, and GE systems. Thus, the water contact angles (WCAs) increased by about 12, 13, and 14%, while the water vapor permeability (WVP) decreased by about 14, 6, and 29%, the water solubility (WS) decreased by about 23, 6, and 5%, and the transparency (T) increased by about 19, 31, and 20% in the CA, CH, and GE systems, respectively. Furthermore, the mechanical properties were enhanced by increasing the ultimate tensile strength (UTS) (by about 39, 13, and 26%, respectively) and Young’s modulus (E) (by about 70, 34, and 63%, respectively), thereby decreasing the elongation at the break (εmax) (by about 56, 23, and 49%, respectively) and the toughness (by about 50, 4, and 30%, respectively). Lastly, the antioxidant properties were enhanced by 34, 49, and 39%, respectively.

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“…Some researchers found that CA with a degree of substitution (DS) greater than 1.5 could not be degraded by natural organisms, whereas others found that CA with a DS of 2.5 had limited value, owing to deterioration. The main mechanism for degradation is an initial deacetylation process involving chemical hydrolysis and acetyl esterases, which allows the degradation of the cellulose backbone [ 161 , 162 ]. The analysis shows that moisture in the soil caused cellulose acetate fibers to decay significantly, and after a few months, they were completely gone.…”

Section: Design For Degradationmentioning

confidence: 99%

A Review on the Modification of Cellulose and Its Applications

et al. 2022

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The latest advancements in cellulose and its derivatives are the subject of this study. We summarize the characteristics, modifications, applications, and properties of cellulose. Here, we discuss new breakthroughs in modified cellulose that allow for enhanced control. In addition to standard approaches, improvements in different techniques employed for cellulose and its derivatives are the subject of this review. The various strategies for synthetic polymers are also discussed. The recent advancements in polymer production allow for more precise control, and make it possible to make functional celluloses with better physical qualities. For sustainability and environmental preservation, the development of cellulose green processing is the most abundant renewable substance in nature. The discovery of cellulose disintegration opens up new possibilities for sustainable techniques. Based on the review of recent scientific literature, we believe that additional chemical units of cellulose solubility should be used. This evaluation will evaluate the sustainability of biomass and processing the greenness for the long term. It appears not only crucial to dissolution, but also to the greenness of any process.

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Photocatalytic Degradation of Textile Dye on Blended Cellulose Acetate Membranes

Cited by 28 publications

References 46 publications

Biopolymer-Based Films Reinforced with FexOy-Nanoparticles

Biopolymer-Based Films Reinforced with FexOy-Nanoparticles

Biopolymer-Based Films Reinforced with Green Synthesized Zinc Oxide Nanoparticles

A Review on the Modification of Cellulose and Its Applications

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