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

Li, Xiaona; Wei, Yanqiang; Jiang, Shuaicheng; Zhou, Ying; Li, Jiongjiong; Kuang, Li; Li, Jianzhang

doi:10.1002/mame.202100004

Cited by 25 publications

(14 citation statements)

References 47 publications

(41 reference statements)

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“…A wide plethora of biodegradable polymers, such as polysaccharides, proteins, and lipids, were proposed as suitable materials for thin-film preparation [6,12,13]. In this context, poly(butylene adipate-co-terephthalate) (PBAT) is an aliphatic/aromatic copolyester that is biodegradable and compostable and, due to its interesting properties, is considered among the most promising biopolymers for packaging film, agricultural film, and compost bag fabrication [14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Use of Biochar as Filler for Biocomposite Blown Films: Structure-Processing-Properties Relationships

et al. 2021

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In this work, biocomposite blown films based on poly(butylene adipate-co-terephthalate) (PBAT) as biopolymeric matrix and biochar (BC) as filler were successfully fabricated. The materials were subjected to a film-blowing process after being compounded in a twin-screw extruder. The preliminary investigations conducted on melt-mixed PBAT/BC composites allowed PBAT/BC 5% and PBAT/BC 10% to be identified as the most appropriate formulations to be processed via film blowing. The blown films exhibited mechanical performances adequate for possible application as film for packaging, agricultural, and compost bags. The addition of BC led to an improvement of the elastic modulus, still maintaining high values of deformation. Water contact angle measurements revealed an increase in the hydrophobic behavior of the biocomposite films compared to PBAT. Additionally, accelerated degradative tests monitored by tensile tests and spectroscopic analysis revealed that the filler induced a photo-oxidative resistance on PBAT by delaying the degradation phenomena.

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Section: Introductionmentioning

confidence: 99%

Use of Biochar as Filler for Biocomposite Blown Films: Structure-Processing-Properties Relationships

et al. 2021

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“…1 was recorded as PM.1, and so on. Accordingly, in the TGA curves of MCM-41 and the phloridzin/MCM-41 assembly, slight weight loss was detected when the temperature was raised from 35 °C to about 100 °C, corresponding to the water loss [ 40 ]. At about 950 °C, the weight loss of the sample was minimal, indicating that most of the phloridzin had decomposed.…”

Section: Resultsmentioning

confidence: 99%

Preparation and Characterization of New Electrospun Poly(lactic acid) Nanofiber Antioxidative Active Packaging Films Containing MCM-41 Mesoporous Molecular Sieve Loaded with Phloridzin and Their Application in Strawberry Packaging

Xie

Cheng

et al. 2022

Nanomaterials

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Health concerns about food safety have increased in recent years. In order to ensure the safety and increase the shelf-life of food, many methods have been used to slow down the oxidation rate of food fat. In order to solve this problem, a new type of antioxidant-active packaging has emerged. Poly(lactic acid) (PLA) films containing phloridzin adsorbed on to an MCM-41 mesoporous molecular sieve were prepared by electrostatic spinning, using PLA as a film-forming substrate, phloridzin as an antioxidant, and MCM-41 as the adsorption and controlled release carrier. The physical properties of the new films—including microscopic structure, water vapor transmission rate, and fresh-keeping effects, as well as the mechanical, thermal, antioxidant, and antibacterial properties—were studied. When the mass ratio of MCM-41 to phloridzin is 1:2, the nanofiber membrane achieves a 53.61% free-radical scavenging rate and better antibacterial performance (85.22%) due to the high content of phloridzin (30.54%). Additionally, when the mass ratio of the molecular sieve to phloridzin is 1:2 and 3:4 (with the best antibacterial performance of 89.30%), the films significantly delay lipid oxidation in the strawberry packaging, allowing the fresh-keeping time to be extended to up to 21 days before mildew appears. In this study, an MCM-41 mesoporous molecular sieve was used to load phloridzin for the first time. The packaging film with phloridzin, MCM-41, and poly(lactic acid) were used as the raw materials and electrospinning technology was used to prepare the packaging film with antioxidant activity. The packaging film was used for the first time in the packaging of strawberries.

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“…[33] The broad and strong absorption band at 3303 cm −1 was attributed to free/unbound -O-H and -N-H stretching vibrations. [34] After adding PAE and TA, the peaks shifted to lower wavenumbers (3280 to 3269, 3272, and 3258 cm −1 ) due to the formation of hydrogen bonds between SM, PAE, and TA in the adhesive system. In the SMT and SMPT adhesive sample, the vibration peak became considerably weaker around 1391 cm −1 (COO-bending) which revealed that weakened vibrational energy of the COO-bending was might be due to interactions with the catechol/pyrogallol and -OH.…”

Section: Design and Characterization Of The Smpt Adhesivementioning

confidence: 99%

Plant Polyphenol‐Inspired Crosslinking Strategy toward High Bonding Strength and Mildew Resistance for Soy Protein Adhesives

Pang

Shen

et al. 2021

Macro Materials & Eng

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Soybean protein adhesives are environmentally friendly biomass-based aldehyde-free adhesives that have good economic value for the wood industry; however, it remains challenging to produce soybean protein adhesives with excellent water resistance, toughness, and mildew resistance through a simple modification method. In this work, inspired by plant polyphenols, a novel crosslinked soybean meal adhesive (SMPT) is obtained using a facile economic method. Polyamidoamine-epichlorohydrin (PAE) and tannic acid (TA) are combined with a soybean meal matrix to form a tough co-crosslinked network through strong intermolecular forces (covalent bonds, ionic bonds, and hydrogen bonds) in adhesive system. The results show that the wet bonding strength of SMPT adhesives for plywood is 134.1% higher than the unmodified soybean meal adhesive. The adhesion properties met the standard requirements for interior-use plywood. And the compact cross-linking network structure is accelerated the greater energy dissipation, which improves the toughness of adhesive. Moreover, cationic azetidinium groups in PAE and phenol hydroxyl groups in TA synergistically not only exhibit the good antibacterial activities but also improve mildew resistance for SMPT adhesives. This facile strategy provides an economic sustainable method to prepare high-performance environmentally friendly wood adhesives.

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

Cited by 25 publications

References 47 publications

Use of Biochar as Filler for Biocomposite Blown Films: Structure-Processing-Properties Relationships

Use of Biochar as Filler for Biocomposite Blown Films: Structure-Processing-Properties Relationships

Preparation and Characterization of New Electrospun Poly(lactic acid) Nanofiber Antioxidative Active Packaging Films Containing MCM-41 Mesoporous Molecular Sieve Loaded with Phloridzin and Their Application in Strawberry Packaging

Plant Polyphenol‐Inspired Crosslinking Strategy toward High Bonding Strength and Mildew Resistance for Soy Protein Adhesives

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