Global environmental and social concern about the use and disposal of synthetic � oil derived plastics have accelerated the search for new composites, both exhibiting good mechanical properties and compatibility with the environment. In this regards, polylactic acid, being one of the most commercially available materials, has promising future. But it exhibits rather poor thermal resistance. The amorphous nature of PLA leads to very low values of glass transition, making it unsuitable for applications at higher temperatures.This project demonstrates the possible use of biomaterials for the reinforcement of bioplastics; addressing the drawbacks and thus rendering it viable to use a green material for wider industrial applications. In view of the actual challenges, this project aimed to increase the thermal and mechanical properties of PLA by blending it with flax fibers, in order to obtain a material suitable to contain hot liquids. During this investigation, processing techniques (like extrusion and compression molding) and diagnostic techniques (DMA, DSC, SEM) were used to prepare and characterize the materials. Additionally the effect of annealing and stretching were investigated.

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