Improvement in antibacterial and functional properties of mussel-inspired cellulose nanofibrils/gelatin nanocomposites incorporated with graphene oxide for active packaging

Kuang, Li; Jin, Shicun; Li, Jianzhang; Chen, Hui

doi:10.1016/j.indcrop.2019.02.011

Cited by 78 publications

(23 citation statements)

References 60 publications

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“…According to ref. [ 24 ] , total soluble matter (TSM) and water uptake (WU) of resultant films were measured using the gravimetric method and three replicates were conducted per film. First, the samples were cut into 2 cm × 2 cm, and then placed in an oven at 105 °C until a constant weight ( W a ).…”

Section: Methodsmentioning

confidence: 99%

Full Bio‐Based Soy Protein Isolate Film Enhanced by Chicken Feather Keratin

Wei

Jiang

et al. 2021

Macro Materials & Eng

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Soy protein isolate (SPI) film is considered a promising biomaterial for the replacement of petroleum‐based food packaging plastics. However, current SPI films are still replying on petroleum‐based crosslink agents. In this paper, a green and effective approach is developed to prepare a full biomass‐based sustainable film with high strength and toughness by incorporating feather keratin (FK, extracted from the waste chicken feathers) into the SPI via the reaction of disulfide bonds. The broken disulfide bonds in FK are recombined with the sulfhydryl group on the SPI molecular chains to form a cross‐linked network. Compared to the SPI film, the tensile strength of the SPI/FK composite film is increased by 242% to 8.2 MPa and the toughness is increased by 152% to 9.18 MJ m−3. The thermal stability and the water resistance of the SPI/FK composite films are also improved. The replacement rate of FK‐modified SPI is up to 40%. Since the film is 100% made from bio‐based materials, it would be biodegradable. This research provides a green and economic approach to improve the performance of protein‐based food packaging films by introducing FK as an enhancer and constructing disulfide bonds cross‐linked network structure in the protein system.

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Section: Methodsmentioning

confidence: 99%

Full Bio‐Based Soy Protein Isolate Film Enhanced by Chicken Feather Keratin

Wei

Jiang

et al. 2021

Macro Materials & Eng

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“…58 The second step from 150 C to 300 C was related to the volatilization of glycerol from the hydrogel films. 59 The third step from 300 C to 450 C was related to the degradation of gelatin structure 37 as well as removal of OH groups from PVA molecules. 60 The final step from 450 C onwards was related to the decomposition of the polymer backbones into ashes.…”

Section: Thermogravimetric Analysismentioning

confidence: 99%

“…Gelatin-based hydrogels are also used in art restoration, 31 wound dressing 32,33 and in packaging film applications. [34][35][36][37] PVA/gelatin blend hydrogels have also been used in tissue engineering. 38 and food packaging applications.…”

Section: Introductionmentioning

confidence: 99%

Synergistic effect of silane cross-linker (APTEOS) on PVA/gelatin blend films for packaging applications

Zeeshan¹,

Dilshad

Islam³

et al. 2021

High Performance Polymers

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The objective of this work is to fabricate hydrogel films which are biodegradable and also fit for packaging applications. The hydrogel films were prepared by the reaction of polyvinyl alcohol and gelatin with and without 3-aminopropyltriethoxysilane (APTEOS) cross-linker. The hydrogel films were then characterized by FTIR spectroscopy, degree of swelling, TGA, SEM analysis and mechanical testing. The FTIR spectra of the hydrogel films confirmed the presence of both polymers and hydrogen bonding between them. TGA analysis confirmed the increase in thermal stability with the increase of cross-linker amount. SEM analysis confirmed the increase in uniformity of structure with the increase of cross-linker amount. The increase in cross-linker amount resulted in decrease of degree of swelling and increase of tensile strength. The biodegradability of hydrogel films was evaluated by performing soil burial test and found to be decreased with the increase of cross-linker amount. In order to balance the tensile strength and biodegradability, the optimum amount of cross-linker was determined which resulted in the formation of the best performing film. Finally, our best performing film was compared with other hydrogel films reported in the literature. Hence, the hydrogel films cross-linked with APTEOS are biodegradable, having high tensile strength and suitable for packaging purpose.

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“…As the most abundant macromolecular polysaccharide in nature, cellulose has a large number of hydroxyl hydrophilic groups (Song et al 2020;Shi et al 2020), which is bene cial to realize all-around green PLA oil/water separation material. Based on the above concepts, polydopamine (PDA) (Li et al 2019;Delparastan et al 2019) was used as a kind of adhesive bonding rmly to the surface of PLA nonwoven membrane and inducing the deposition of cellulose nanospheres (CNCs). The surface wettability and separation e ciency for oil/water mixtures of the resultant CNCs/PDA/PLA nonwoven membrane will be systematically studied, as well as the recyclability will be carefully evaluated.…”

Section: Introductionmentioning

confidence: 99%

Cellulose Nanospheres Coated Polylactic Acid Nonwoven Membranes for Recyclable Use in Oil/Water Separation

Wen

Cui

et al. 2021

Preprint

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Oily wastewater has always been an environmental issue that we are concerned about and committed to managing. Although the superwetting membranes have been extensively studied and widely used in oil/water separation, the abundant discarded membranes are still headaches due to their non-degradable nature. In this work, all-around green, as well as superhydrophilic polylactic acid (PLA) nonwoven membrane, is designed by coating cellulose nanospheres (CNCs) with the aid of polydopamine (PDA). Abundant hydroxyl groups and hierarchical rough structure synergistically contribute to the superhydrophilicity and excellent oil/water separation performance of the resultant CNCs/PDA/PLA nonwoven membrane. Interestingly, the oil/water separation efficiency can be maintained above 98% after 100 times of repeated use. With outstanding durability, and easy controllability, the CNCs/PDA/PLA nonwoven membrane may provide effective solutions to simultaneously manage the oily wastewater and secondary pollution of the used membrane itself.

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Improvement in antibacterial and functional properties of mussel-inspired cellulose nanofibrils/gelatin nanocomposites incorporated with graphene oxide for active packaging

Cited by 78 publications

References 60 publications

Full Bio‐Based Soy Protein Isolate Film Enhanced by Chicken Feather Keratin

Full Bio‐Based Soy Protein Isolate Film Enhanced by Chicken Feather Keratin

Synergistic effect of silane cross-linker (APTEOS) on PVA/gelatin blend films for packaging applications

Cellulose Nanospheres Coated Polylactic Acid Nonwoven Membranes for Recyclable Use in Oil/Water Separation

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