A novel enzymatic biodegradable route for PLA/EVA blends under agricultural soil of Vietnam |
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| Authors: | Do Van CongThai Hoang Nguyen Vu GiangNguyen Thu Ha Tran Dai Lam Masao Sumita |
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| Affiliation: | a Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet, Hanoi, Vietnamb Department of Physical Chemistry, Hanoi University of Technology, Vietnam, 1, Dai Co Viet, Hanoi, Vietnamc Institute of Materials Science, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet, Hanoi, Vietnamd Department of Chemistry and Materials Science, Institute of Tokyo Technology, Tokyo, Japan |
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| Abstract: | Poly lactic acid (PLA) has attracted a lot of attention in recent years because of its good properties such as high transparency, high tensile strength and excellent biodegradability. However, high modulus and low strain are its shortage, making it unfeasible to be applied as packaging materials. To overcome this limitation, in this study, PLA is mixed with ethylene vinyl acetate (EVA). The morphological, thermal and mechanical properties of the enzymatically degraded PLA/EVA blends were fully investigated under agricultural soil of Red River Delta, Vietnam. It was demonstrated that some new strains were responsible for the biodegradation of PLA/EVA. To best of our knowledge, these strains were not reported in the literature up to now. |
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| Keywords: | Poly lactic acid (PLA) Ethylene vinyl acetate copolymer (EVA) PLA/EVA blend Enzymatic degradation |
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