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Preparation and Properties of Plasticized Cellulose Diacetate Using Triacetine/Epoxidized Soybean Oil  

Lee, Sang-Hwan (Department of Chemical Engineering, Sungkyunkwan University)
Lee, Sang-Yool (Department of Chemical Engineering, Sungkyunkwan University)
Lim, Hwan-Kyu (Department of Design & Materials, Mokwon University)
Nam, Jae-Do (Department of Polymer Science & Engineering, Sungkyunkwan University)
Kye, Hyoung-San (Department of Design & Materials, Mokwon University)
Lee, Young-Kwan (Department of Chemical Engineering, Sungkyunkwan University)
Publication Information
Polymer(Korea) / v.30, no.3, 2006 , pp. 202-206 More about this Journal
Abstract
The plasticized cellulose diacetate (CDA) was prepared by melt processing methods using triacetine (TA) as a plasticizer. Additionally, processability of CDA was enhanced by using epoxidized soybean oil as a secondary plasticizer. The glass transition temperature of plasticized CDA was observed at $50^{\circ}C$ lower than virgin CDA and the incorporation of 5% ESO also resulted in the additional $20^{\circ}C$ decrease in the $T_g$. The tensile properties and modulus of plasticized CDA were better than commercial PP and PLA. The aerobic biodegradability of CDA in controlled compositing condition resulted in 90% of degradation during 60 days.
Keywords
biodegradable polymer; cellulose diacetate; plasticizer; melt processing;
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