Fabrication and the barrier characterization of the cellulose nanofibers/organic montmorillonite/poly lactic acid nanocomposites

Li, Yuan; Zhang, Lu; Li, Fayong; Wang, Ke; Wu, Xuehong; Liu, Hailu; Long, Bibo; Zhao, Yang; Xie, Dong; Chen, Junjia

doi:10.1002/app.51827

Cited by 6 publications

(3 citation statements)

References 35 publications

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“…The testing specimen was sprayed with a thin layer of gold, and then tested under a voltage of 5 kV. 19 The thermal stability of the film products was measured using a synchronous thermal analyzer (Jupiter STA 449F3, Netzsch, Selb, Germany) under a nitrogen atmosphere. During the The samples were cut by the standard cutters.…”

Section: Characterizationmentioning

confidence: 99%

Preparation and characterization of green‐based anti‐ultraviolet and antidripping biodegradable film

Zhang,

Li,

Xie

et al. 2024

J of Applied Polymer Sci

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The biodegradable materials cannot meet the requirements as the agricultural film due to the poor UV resistance and antidripping performance. The work herein thus presented the development of the green‐based anti‐ultraviolet and antidripping multifunctional composite films using poly(butyleneadipate‐co‐terephthalate), microfibrillated cellulose (MFC), and soybean protein isolate (SPI) as the raw materials in the presence of other agents. The resulting composite films were systematically characterized using scanning electron microscope, thermogravimetry analysis (TG), UV, and rheometer measurements. The morphology changed obviously after introducing the MFC and SPI into the substrate film. In addition, the results indicated that the addition of MFC and SPI had a positive effect on the thermal stability and heat preservation of the film, respectively. The contact angle results indicated that SPI was an ideal antidripping agent and the MFC could be used as the release agent. The time of the first water drop of the film containing 2.5 g MFC and 2.0 g SPI was 6 min and 46 s, and the time of each 10 drops was less than 60 s, showing the advantages of using MFC as the release agent and SPI as the antidripping agent. The resulting multifunctional biodegradable films can be widely used in the agricultural and packaging fields.

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Section: Characterizationmentioning

confidence: 99%

Preparation and characterization of green‐based anti‐ultraviolet and antidripping biodegradable film

Zhang,

Li,

Xie

et al. 2024

J of Applied Polymer Sci

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“…In view of the above excellent performance, MMT is often used in the field of composite materials to improve the mechanical properties, barrier properties, and thermal stability, adsorption performance, etc. (Jiang et al 2021;Li and Zhang et al 2022). Research has shown that MMT could be uniformly dispersed in nanocellulose networks at a nanoscale to form intercalation structures, and the effective modulus of nanocomposites could reach up to 129.9 GPa (Xu et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Starch-based active packaging film and its application

Kang,

Ma,

Sun

et al. 2023

BioRes

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Montmorillonite (MMT) was used to improve the performance of starch and nano-ZnO was added to act as antibacterial agent for developing a starch-based active packaging material via solution mixing and casting methods. The effect of MMT and ZnO on the performance of starch films was investigated, and then the composite films were used for cherry preservation. The results indicated that the addition of MMT could improve the mechanical and water-vapor barrier properties of starch films, but it had only a slight impact on optical properties. However, the addition of nano-ZnO could reduce the optical, mechanical, and water vapor barrier properties of composite films. In preservation applications, compared to the other films, the composite films containing nano-ZnO could be beneficial to maintain quality and nutritional value of cherries by slowing down the growth of bacteria and thereby delaying weight loss, decreasing hardness, and decreasing pH and soluble solid content, resulting in a better preservation effect. Therefore, a starch-based active packaging film with good properties and preservation effect was developed with nano-ZnO and MMT, which could be applied in the field of preservation.

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“…7,8 Surface modification of CNF or combination with other inorganic nanomaterials for construction of composites can potentially make up these problems, but these approaches are usually complex, and could compromise the biocompatibility or biodegradable of CNF. [9][10][11][12] Therefore, it is still a challenging task to fabricate multifunctional CNF composites with good properties while maintain the intrinsic advantages of CNF.…”

mentioning

confidence: 99%

Surface modification of cellulose nanofibers by oxidative polymerization of tannic acid/ethanediamine and their polyvinylalcohol composites

Liu

Huang

Zhou

2022

J of Applied Polymer Sci

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This paper reported a facile and green method for surface functionalization of cellulose nanofiber (CNF) by oxidative polymerization of tannic acid (TA) and ethanediamine. The modified CNF (T‐CNF) was then used as filler for constructing polyvinylalcohol (PVA) composites. Experimental results suggested that the surface polar groups on CNF were increased after modification. The abundant surface polar groups allowed the homogeneous dispersion of T‐CNF in PVA matrix, and the formation of hydrogen bonds between fillers and matrix. This interfacial interaction and the high aspect ratio of T‐CNF have restricted the thermal mobility of polymer chains and increased the glass transition temperature and melting temperature of PVA. Tensile test suggested the good mechanical properties of composites, and the reinforcement effect of T‐CNF on PVA was better than that of un‐modified CNF. The good free radical scavenging ability of polymerized TA also improved the thermal stability of composites and endowed the composites with good antioxidant property. The T‐CNF/PVA composites with improved properties hold great promising applications in fields such as packaging, adhesive and coating. This work is expected to provide alternative and green approach for the surface modification of CNF and the preparation of multifunctional CNF composites with good properties.

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Fabrication and the barrier characterization of the cellulose nanofibers/organic montmorillonite/poly lactic acid nanocomposites

Cited by 6 publications

References 35 publications

Preparation and characterization of green‐based anti‐ultraviolet and antidripping biodegradable film

Preparation and characterization of green‐based anti‐ultraviolet and antidripping biodegradable film

Starch-based active packaging film and its application

Surface modification of cellulose nanofibers by oxidative polymerization of tannic acid/ethanediamine and their polyvinylalcohol composites

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