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Preparation and study of novel biodegradable blends based on gelatinized starch and 1,4-trans-polyisoprene (gutta percha) for food packaging or biomedical applications |
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| Authors: | Ioannis Arvanitoyannis Ioannis Kolokuris Atsuyoshi Nakayama Sei-ichi Aiba |
| Institution: | a Laboratory of Food Chemistry and Biochemistry, School of Agriculture, Aristotle University of Thessaloniki, 54006, Thessaloniki, Greece b School of Dentistry, Aristotle University of Thessaloniki, 54006, Thessaloniki, Greece c Osaka National Research Institute AIST, Functional Polymer Section, Organic Materials Department, Ikeda, 563, Osaka, Japan |
| Abstract: | The gas and water vapour permeability coefficients of novel biodegradable films based on 1,4-trans-polyisoprene and gelatinized starch were determined. The glass transitions, indirectly determined from gas permeability measurements, were compared to those obtained from thermal measurements (differential thermal analysis and dynamic mechanical thermal analysis). Incorporation of a low plasticizer amount in the blend was attempted in order to improve the mechanical properties of the blends. Some initial biodegradability experiments showed that these novel blends are biodegradable. This is primarily due to the presence of starch. |
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