Abstract
Multilayer systems consisting of flame retarded and reinforced layers of recycled polymer were formed. The structure and the thickness of the interfacial layer between the phases were analysed by Differential Scanning Calorimetry and Raman microscopy. The sequence order of the layers was varied for achieving improvement in both the flame retardancy and mechanical performance of recycled polymers and for obtaining upcycled product this way. Investigation of injection moulded and compression moulded products demonstrated the advantage of reinforced core and flame retarded shell over the opposite structure. The multilayered structure was found an economic way for producing recycled polymer materials of improved fire resistance, flexural strength and modulus.
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