Biodegradable film derived from chitosan and homogenized cellulose

Hosokawa, Jun; Nishiyama, Masashi; Yoshihara, Kazutoshi; Kubo, Takamasa

doi:10.1021/ie00101a015

Cited by 112 publications

(62 citation statements)

References 5 publications

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“…Modification of chitosan by blending with other polymeric materials might be of interest for some applications. Lots of chitosan blends and composites with other polymers have been proposed in the literature, for example, chitosan/cellulose membrane [3,4], chitosan/starch [5], chitosan/gelatin [6] and chitosan/collagen [7]. The compatibility of chitosan with these polymers may be obtained since chitosan is considered as a strongly interacting polymer [8].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Chitosan/Agar Blends: Rheological and Thermal Studies

El-Hefian

Nasef

Yahaya

et al. 2010

J. Chil. Chem. Soc.

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In this work, a number of mixture aqueous solutions of chitosan/agar (CS/AG) at different ratios (considering chitosan as the main component) were prepared. The rheological properties i.e. shearing viscosity and shear stress of the blend solutions as a function of shear rate as well as the thermal properties of the blend films were investigated. Among the parameters studied were temperature, shearing time and storage time. Results showed that almost Newtonian behavior was observed at temperatures from 40 o C to 55 o C for the ratios 100/0, 90/10, 80/20 and 70/30. However, the proportions 60/40 and 50/50 showed a clear shear thinning behavior (pseudoplastic non-Newtonian behavior). It was also found that all the blend solutions obeyed the Arrhenius equation. In addition, the effect of shearing time on the shearing viscosity of all blends did not show any significant differences at all shearing times applied in this study except the proportion 50/50 wherein decreasing in shearing viscosity and shear stress was observed as the shearing time increased. Furthermore, different behaviors were observed for the blend solutions when the period of storage was extended to three weeks. The FTIR results and the differential scanning calorimetery (DSC) curves showed that the interaction between chitosan and agar can occur.

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Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Chitosan/Agar Blends: Rheological and Thermal Studies

El-Hefian

Nasef

Yahaya

et al. 2010

J. Chil. Chem. Soc.

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“…13 Hosokawa et al reported that when biodegradable films were made from CS and homogenized cellulose, previously oxidized with ozone, the mechanical properties of the films increased owing to the number of carbonyl and carboxyl groups from cellulose interacting with the CS amino groups. 14 We have attempted to make full use of these two renewable and functional ingredients (i.e., starch and CS) for the preparation of novel, all-natural biocomposites. It is hypothesized that the newly introduced carboxyl groups in oxidized starch will improve the performance of oxidized starch and CS composite films.…”

Section: Introductionmentioning

confidence: 99%

Oxidized pea starch/chitosan composite films: Structural characterization and properties

Liu

Chen

et al. 2010

J of Applied Polymer Sci

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In this article, a series of oxidized pea starch/chitosan (OPS/CS) blend films were prepared by a casting and solvent evaporation method. The structure, thermal behavior, and mechanical properties of the films were investigated by means of Fourier transform infrared spectroscopy, wide-angle X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, and tensile testing. The results suggested that, in addition to hydrogen bonding, the interactions between OPS and CS molecules were enhanced by the formation of electrostatic interaction between the negatively charged carboxyl groups on OPS and the positively charged amino groups on CS. Compared with the pea starch/chitosan (PS/CS) blend films, OPS/CS blend films exhibited significantly higher tensile strength with significantly lower elongation at break. Moreover, incorporation of CS into the OPS matrix also led to a decrease in moisture uptake by the composite film.

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“…The cationicanionic interaction between chitosan and cellulose has been utilized to form reinforced composite materials for packaging with improved barrier and mechanical properties. 123 Hosokawa et al 125 reported OP for chitosan-cellulose fi bre composite fi lms that were comparable to PET fi lms.…”

Section: Nanoparticulate Materialsmentioning

confidence: 98%

New ways to enhance the functionality of paperboard by surface treatment – a review

2008

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This review summarizes recent development of functional materials to improve the barrier properties of paperboard with emphasis on bio-based polymers. Focus is directed to novel application techniques and water-borne, renewable coating materials. Some aspects on substrate properties and the requirements on food packaging are discussed as are the processability, convertability, recyclability and biodegradability of packaging materials. The functionality, advantages and disadvantages of several bio-based polymers are presented in detail. Among these are starch and cellulose derivatives, chitosan, alginate, wheat gluten, whey proteins, polycaprolactone, poly(lactic acid) and polyhydroxyalkanoates. Also discussed is the enhancement of barrier properties by incorporation of nanosized materials, by application of thin protective top coatings and local reinforcement by self-healing agents.

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Biodegradable film derived from chitosan and homogenized cellulose

Cited by 112 publications

References 5 publications

Preparation and Characterization of Chitosan/Agar Blends: Rheological and Thermal Studies

Preparation and Characterization of Chitosan/Agar Blends: Rheological and Thermal Studies

Oxidized pea starch/chitosan composite films: Structural characterization and properties

New ways to enhance the functionality of paperboard by surface treatment – a review

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