OPTIMISATION OF PHYSICAL AND MECHANICAL PROPERTIES FOR BIODEGRADABLE CHITOSAN-NANOCELLULOSE NANOCOMPOSITES

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DEHNAD DANIAL; MIRZAEI HABIB ELAH; EMAM DJOMEH ZAHRA; JAFARI SEYED MAHDI; DADASHI SAEED

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Journal: Research and Innovation in Food Science and Technology Year:2013 | Volume:2 | Issue:3 Page(s): 229-242

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Title

OPTIMISATION OF PHYSICAL AND MECHANICAL PROPERTIES FOR BIODEGRADABLE CHITOSAN-NANOCELLULOSE NANOCOMPOSITES

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Keywords

BIOPOLYMERQ2

EDIBLE FILMQ2

PLASTICIZERQ2

RESPONSE SURFACEQ2

Abstract

Extracted chitosan powder from crustacean crust has a high capacity for film forming; chitosan films are very resistant against breaking. On the other hand, cellulose nanoparticles have high biodegradability rates and are cheaper than other nanofillers. The aim of current research was to prepare and optimize chitosan-nanocellulose nanocomposites in order to utilize whole capabilities of these common materials. Chitosan powder with a high molecular weight, nanocellulose particles having diameters of 20-50 nm and glycerol were applied for optimisation purposes of nanocomposite properties. Addition of cellulose nanoparticles to chitosan films decreased moisture content, increased (till 30.1%) elongation-at-break and improved a* and b* values for final nanocomposites; decrease of glycerol concentration caused a decrease (till 28.7%) in water solubility and water vapour permeability rate and simoultanously increased (till 3.7 GPa) elastic module of nanocomposite. Nanocomposites containing 1 gr chitosan, 0.18% nanocellulose and 30% glycerol led to the highest desirability (75%). Scanning electron microscopy revealed that high concentrations of chitosan powder and cellulose nanoparticles could construct an intricate structure which justifies improvement of elongation capability after addition of nanoparticles to the chitosan films.

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APA: Copy

DEHNAD, DANIAL, MIRZAEI, HABIB ELAH, EMAM DJOMEH, ZAHRA, JAFARI, SEYED MAHDI, & DADASHI, SAEED. (2013). OPTIMISATION OF PHYSICAL AND MECHANICAL PROPERTIES FOR BIODEGRADABLE CHITOSAN-NANOCELLULOSE NANOCOMPOSITES. JOURNAL OF RESEARCH AND INNOVATION IN FOOD SCIENCE AND TECHNOLOGY, 2(3), 229-242. SID. https://sid.ir/paper/234104/en

Vancouver: Copy

DEHNAD DANIAL, MIRZAEI HABIB ELAH, EMAM DJOMEH ZAHRA, JAFARI SEYED MAHDI, DADASHI SAEED. OPTIMISATION OF PHYSICAL AND MECHANICAL PROPERTIES FOR BIODEGRADABLE CHITOSAN-NANOCELLULOSE NANOCOMPOSITES. JOURNAL OF RESEARCH AND INNOVATION IN FOOD SCIENCE AND TECHNOLOGY[Internet]. 2013;2(3):229-242. Available from: https://sid.ir/paper/234104/en

IEEE: Copy

DANIAL DEHNAD, HABIB ELAH MIRZAEI, ZAHRA EMAM DJOMEH, SEYED MAHDI JAFARI, and SAEED DADASHI, “OPTIMISATION OF PHYSICAL AND MECHANICAL PROPERTIES FOR BIODEGRADABLE CHITOSAN-NANOCELLULOSE NANOCOMPOSITES,” JOURNAL OF RESEARCH AND INNOVATION IN FOOD SCIENCE AND TECHNOLOGY, vol. 2, no. 3, pp. 229–242, 2013, [Online]. Available: https://sid.ir/paper/234104/en

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