期刊
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
卷 51, 期 4, 页码 432-437出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2011.639827
关键词
Glycerol; Plasticizing agent; Polyvinyl alcohol; Rambutan skin waste flour; Sorbitol
资金
- USM
- Research University grant [1001/PBAHAN/814065]
The comparison effect of glycerol and soritol as plasticizing agents on properties of biodegradable polyvinyl alcohol (PVOH)/rambutan skin waste flour (RWF) films were studied. Results showed that the glycerol-plasticized films exhibited higher elongation at break, but lower tensile strength and Young's modulus than sorbitol-plasticized films. Water vapor transmission rate (WVTR) was increased with the addition of plasticizing agents. The glycerol-plasticized films showed higher WVTR which indicated that glycerol had more positive contribution to water affinity compared to sorbitol. Biodegradability test revealed that the weight loss of unplasticized PVOH/RWF films was lower than glycerol-and sorbitol-plasticized PVOH/RWF films.
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