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Foodyplast, food plastic packaging with naturals additives and recyclable

Abstract : Plastics have now invaded our daily lives. They are the symbol of the consumer society, because they are considered a non-noble material: consumers equate it with a disposable product after use. Since plastics are not degradable, they represent a real danger to the environment, fauna and flora.The objective of this thesis work was to develop in collaboration with the Institute of Analytical Sciences and Physico-Chemistry for Environment and Materials (Pau University) new formulations with natural additives to produce resistant and recyclable plastics. Two types of resins were used: isotactic polypropylene (i-PP) and low density polyethylene (LDPE). Natural antioxidants such as ascorbic acid, alpha-tocopherol and flaxseed oil were tested and encapsulated to improve their resistance to degradation. Thermal and rheological characterizations of resins have shown superior qualities to current commercial resins. We were able to demonstrate that the plastics obtained could be recycled 9 times without losing their characteristics. Tests with trays made with the developed products are underway to validate the developed models.
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Submitted on : Thursday, December 19, 2019 - 2:24:07 PM
Last modification on : Tuesday, February 2, 2021 - 2:58:03 PM
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Antonio Garcia Contreras. Foodyplast, food plastic packaging with naturals additives and recyclable. Polymers. Université de Perpignan, 2019. English. ⟨NNT : 2019PERP0020⟩. ⟨tel-02419380⟩

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