Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch
This study examines the effects of varying the concentrations of sorbitol (S) and glycerol (G) on the physical, morphological, thermal, and mechanical properties of Dioscorea hispida, starch-based films. In this context, the films of Dioscorea hispida starch were developed using solution casting tec...
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| Format: | Article |
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Elsevier
2021
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| _version_ | 1796983315080675328 |
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| author | Kamaruddin, Zatil Hazrati Salit, Mohd Sapuan Mohamed Yusoff, Mohd Zuhri Jumaidin, Ridhwan |
| author_facet | Kamaruddin, Zatil Hazrati Salit, Mohd Sapuan Mohamed Yusoff, Mohd Zuhri Jumaidin, Ridhwan |
| author_sort | Kamaruddin, Zatil Hazrati |
| collection | UPM |
| description | This study examines the effects of varying the concentrations of sorbitol (S) and glycerol (G) on the physical, morphological, thermal, and mechanical properties of Dioscorea hispida, starch-based films. In this context, the films of Dioscorea hispida starch were developed using solution casting technique with glycerol (G), sorbitol (S), and a mixture of sorbitol-glycerol (SG) as plasticizers at the ratios of 0, 30, 45, and 60 wt%. The films' moisture contents were increased when increasing the plasticizer contents. The tensile strengths were decreased, but elongations at break were increased; 7.38%–11.54% for G-plasticized films, 10.17%–15.76% for S-plasticized films, and 14.41%– 16.10% for SG-plasticized films with increasing plasticizer concentrations of the film samples. Varying plasticizer concentrations exhibited a minor effect on the S-plasticized film's thermal properties. Significant decrement in the glass transition temperatures of Dioscorea hispida starch films was observed when the plasticizer contents were raised from 30% to 60%. Significantly, the present work has shown that plasticized Dioscorea hispida starch can be considered a promising biopolymer for the applications of biodegradable films. |
| first_indexed | 2024-03-06T11:04:49Z |
| format | Article |
| id | upm.eprints-96930 |
| institution | Universiti Putra Malaysia |
| last_indexed | 2024-03-06T11:04:49Z |
| publishDate | 2021 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | upm.eprints-969302023-04-19T04:08:02Z http://psasir.upm.edu.my/id/eprint/96930/ Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch Kamaruddin, Zatil Hazrati Salit, Mohd Sapuan Mohamed Yusoff, Mohd Zuhri Jumaidin, Ridhwan This study examines the effects of varying the concentrations of sorbitol (S) and glycerol (G) on the physical, morphological, thermal, and mechanical properties of Dioscorea hispida, starch-based films. In this context, the films of Dioscorea hispida starch were developed using solution casting technique with glycerol (G), sorbitol (S), and a mixture of sorbitol-glycerol (SG) as plasticizers at the ratios of 0, 30, 45, and 60 wt%. The films' moisture contents were increased when increasing the plasticizer contents. The tensile strengths were decreased, but elongations at break were increased; 7.38%–11.54% for G-plasticized films, 10.17%–15.76% for S-plasticized films, and 14.41%– 16.10% for SG-plasticized films with increasing plasticizer concentrations of the film samples. Varying plasticizer concentrations exhibited a minor effect on the S-plasticized film's thermal properties. Significant decrement in the glass transition temperatures of Dioscorea hispida starch films was observed when the plasticizer contents were raised from 30% to 60%. Significantly, the present work has shown that plasticized Dioscorea hispida starch can be considered a promising biopolymer for the applications of biodegradable films. Elsevier 2021 Article PeerReviewed Kamaruddin, Zatil Hazrati and Salit, Mohd Sapuan and Mohamed Yusoff, Mohd Zuhri and Jumaidin, Ridhwan (2021) Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch. International Journal of Biological Macromolecules, 185. 219 - 228. ISSN 0141-8130 https://www.sciencedirect.com/science/article/pii/S0141813021013271?via%3Dihub 10.1016/j.ijbiomac.2021.06.099 |
| spellingShingle | Kamaruddin, Zatil Hazrati Salit, Mohd Sapuan Mohamed Yusoff, Mohd Zuhri Jumaidin, Ridhwan Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch |
| title | Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch |
| title_full | Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch |
| title_fullStr | Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch |
| title_full_unstemmed | Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch |
| title_short | Effect of plasticizers on physical, thermal, and tensile properties of thermoplastic films based on Dioscorea hispida starch |
| title_sort | effect of plasticizers on physical thermal and tensile properties of thermoplastic films based on dioscorea hispida starch |
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