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http://dx.doi.org/10.5658/WOOD.2014.42.4.376

Effect of Nanocellulose and Aminated Starch on Tensile and Thermal Properties of Plasticized Starch Film  

Kim, Bo-Yeon (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University)
Han, Song-Yi (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University)
Lee, Sung-Yong (Department of Forest Products, Korea Forest Reserch Institute)
Kim, Young-Kyoon (Department of Forest Products and Life Science, College of Forest Science, Kookmin University)
Kim, Nam-Hun (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University)
Lee, Seung-Hwan (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.42, no.4, 2014 , pp. 376-384 More about this Journal
Abstract
This study investigated the effect of nanocellulose, such as microfibrillated cellulose (MFC) and cellulose nanocrystal (CNC), and aminated starch on tensile property and thermal stability of plasticized starch film. Glycerol (23 wt%) was used as a plasticizer and nanocelluloses of 1-30 parts per hundred parts of resin (phr) in the basis of plasticized starch were added. Tensile strength and elastic modulus increased with increasing nanocellulose addition amount, whereas elongation at break decreased. Tensile properties of MFC-reinforced starch film were higher than those of CNC-reinforced film. Optimum addition amount of aminated starch, which is commonly used for paper sizing, to improve tensile property of film, was found to be 5%. And 1% addition of aminated starch showed the best effect in the improvement of tensile property of the film. Thermal stability was improved with the addition of MFC to plasticized starch film with and without aminated starch.
Keywords
plasticized starch film; microfibrilled celluloses; cellulose nanocrystals; starch; aminated-starch;
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