Overview
ABSTRACT
Composite materials with a polymer matrix are widely used in various industrial applications. However, their recyclability is still considered to be delicate and difficult due to their heterogeneity and the existing frequent usage of thermosetting and thus infusible matrixes. A priori, This aspect constitutes a hindrance to their greater penetration in certain markets. Indeed, certain users prefer easier to recycle alternative materials to composites. Regulatory pressure has encouraged industrialists from the composite materials sector to develop recycling and valorization solutions. Dismantling, recycling and valorization processes for such materials tend to be implemented within the various application sectors or transversally.
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Patricia KRAWCZAK : Professor at the École des Mines de Douai - Head of the Polymer and Composite Technology Department, Mechanical Engineering, École des Mines de Douai
INTRODUCTION
Polymer matrix composites have long been used on a large scale in a variety of industrial applications (transport, construction, etc.). Their recyclability, perceived as difficult or at least perfectible due to their heterogeneity and the still frequent use of thermosetting matrices (infusible after manufacture), can however act as a brake on their wider penetration of certain markets. Some users may prefer alternative materials that are easier to recycle. Environmental concerns and regulatory pressure have prompted manufacturers in the composites sector to develop recycling and recovery solutions, whether in terms of materials, heat/energy or chemicals. Against this regulatory backdrop, a number of industry initiatives aim to set up dismantling/recycling/upgrading channels for these materials, either by application sector or across the board.
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Recycling of composite materials
Industrial technical and economic challenges
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