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This study investigates the feasibility of using recycled waste plastics to manufacture acoustic panels for building industry applications. Plastic, the most versatile and wonder material, is the product of spectacular developments in the area of polymer science and technology. The penetration and acceptance of plastics into the social network is so high that it is now difficult to conceive a world without plastics. The very factors that popularize plastics in our modern life are in fact a threat also to our very survival. The extreme durability of plastic defies the natural recycling process of the biosphere. Chemically, it is the most non-biodegradable material man has ever produced. The disposal of plastic waste is the major concern as much of it is not recycled, and ends up in landfills or as litter on land, in waterways and the ocean. In particular, the plastic carry bags are the biggest contributors of littered waste and every year, millions of plastic bags end up in to the environment vis-a-vis soil, water bodies, water courses, etc and it takes an average of one thousand years to decompose completely. The disposal and recycling of waste plastic is thus a major challenge. In this paper we have utilized waste plastic bags and bottles as matrix reinforced with certain fillers and fabricated them into tiles that can be used as an acoustical material. In this study, the sound – transmission properties of plastic waste tiles were investigated in the frequency region of 100 – 4000 Hz using the reverberation chamber method and absorption properties were measured using Impedance tube method. Based on the results in this paper, it appears that recycled plastic materials can be used to manufacture value-added acoustical panels and it was also found that plastics panels provide moderately superior properties.
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