Biobased Polyester‐Amide/Cellulose Nanocrystal Nanocomposites for Food Packaging

2021 ◽  
pp. 2000668
Author(s):  
Chris Rader ◽  
Christoph Weder ◽  
Roger Marti
Keyword(s):  
Food Packaging ◽  
Cellulose Nanocrystal ◽  
Biobased Polyester

scholarly journals SUSTAINABLE CELLULOSE NANOCRYSTAL REINFORCED CHITOSAN/HPMC BIO-NANOCOMPOSITE FILMS CONTAINING MENTHOL OIL AS PACKAGING MATERIALS

2021 ◽  
Vol 55 (5-6) ◽  
pp. 649-658
Author(s):  
SALAH A. A. MOHAMED ◽  
AHMED SALAMA ◽  
MOHAMED EL-SAKHAWY ◽  
ABDELMAGEED M. OTHMAN
Keyword(s):  
Mechanical Properties ◽  
Water Absorption ◽  
Food Packaging ◽  
Hydroxypropyl Methylcellulose ◽  
Composite Films ◽  
Antibacterial Properties ◽  
Film Structure ◽  
Cellulose Nanocrystal ◽  
Nanocomposite Films ◽  
Low Oxygen

There is a growing demand to develop biodegradable composite films, with enhanced water resistance, antimicrobial activity, high mechanical properties and low oxygen permeability. In the present study, chitosan/hydroxypropyl methylcellulose (HPMC) films reinforced with cellulose nanocrystal (CNC) and containing menthol oil were prepared for food packaging applications. Menthol oil was selected due to its antibacterial properties, as well as relatively low cost and wide availability. CNC was prepared from bagasse via acid degradation. The bio-composites were prepared through a simple and versatile solution mixing and casting method. The morphology, chemical composition, water absorption, mechanical properties and antibacterial activity of the films were investigated. FTIR spectra were used to evaluate the film structure in terms of the interactions between components. Data showed that the addition of CNC improved the mechanical properties of the formed films and the menthol oil enhanced their antibacterial properties. HPMC and HPMC/CNC reduced the water absorption of the pure chitosan membrane from 70% to 22% and 9-11% by weight, respectively, which makes these constituents a good alternative for producing packaging.

Preparation and characterization of pineapple leaf cellulose nanocrystal reinforced gelatin bio-nanocomposite with antibacterial banana leaf extract for application in food packaging

2018 ◽  
Vol 42 (24) ◽  
pp. 19979-19986 ◽  
Author(s):  
M. Sasikala ◽  
M. J. Umapathy
Keyword(s):  
Food Packaging ◽  
Leaf Extract ◽  
Cellulose Nanocrystal ◽  
Banana Leaf

Studies on cellulose nanocrystal reinforced gelatin-based bio-nanocomposite infused with banana leaf extract for applications in food packaging.

scholarly journals Fabrication of Cellulose Nanocrystal/Silver/Alginate Bionanocomposite Films with Enhanced Mechanical and Barrier Properties for Food Packaging Application

Nanomaterials ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 1523 ◽  
Author(s):  
Mithilesh Yadav ◽  
Yu-Kuo Liu ◽  
Fang-Chyou Chiu
Keyword(s):  
Electron Microscopy ◽  
Food Packaging ◽  
Hydrothermal Process ◽  
Composite Films ◽  
Barrier Properties ◽  
Cellulose Nanocrystal ◽  
Hydrolysis Method ◽  
Transmission Electron ◽  
Bionanocomposite Films ◽  
Cellulose Microcrystal

Eco-friendly cellulose nanocrystal/silver/alginate (CNC/Ag/Alg) bionanocomposite films were successfully prepared by blending of CNC with Ag/Alg solution. The CNC was fabricated from cellulose microcrystal (CMC) by acid hydrolysis method. The Ag nanoparticles (AgNPs) were generated by using Alg as a reducing agent through hydrothermal process. AgNPs-included composite films showed characteristic plasmonic effect of the AgNPs with the maximum absorption at 491 nm and they also showed high ultraviolet (UV) barrier properties. The CNC/Ag/Alg composite films were analyzed by using scanning electron microscopy, transmission electron microscopy, optical microscopy, Fourier transform infrared spectroscopy, and X-ray diffraction technique. Depending on the type of nanofillers, tensile strength of the composite films increased by 39–57% and water vapor permeation decreased by 17–36% compared with those of the neat Alg films. The Ag/Alg and CNC/Ag/Alg films showed brown color as detected from the increase of both ‘b’ and ‘a’ parameters by colorimeter. The UV and water barrier properties of Alg based composite films were found higher than the Alg films. The obtained results suggested that the prepared composite films can be used in food packaging applications.

Porous materials from cellulose nanocrystal and mxene surfactants at the oil/water interface

2020 ◽  
Author(s):  
Bingqing qian ◽  
Haiqiao Wang ◽  
Dong Wang ◽  
Hao-Bin Zhang ◽  
Jessica Wu ◽  
...  
Keyword(s):  
Porous Materials ◽  
Cellulose Nanocrystal ◽  
Water Interface ◽  
Oil Water
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