국내에서 발생하는 폐플라스틱의 양은 폐비닐류를 포함하여 연간 500만톤에 이르며 이 가운데 재활용 선별장을 통하여 배출되는 폐비닐류의 양은 연간 100만톤 정도에 이르는 것으로 추정되고 있다. 재활용 선별장의 폐비닐류는 RPF(Refuse Plastic Fuel) 또는 재생원료로 전환되어 재활용이 이루어지고 있다. 본 연구에서는 재활용 선별장에서 발생하는 폐비닐을 열매체 가열공정에 의하여 용융처리하여 재생 폐비닐 원료로서 이용가능성을 인장강도를 통하여 분석하고 기존의 재생품과 비교함으로서 용융재생원료의 이용 가능성을 판단하였다. 상업용으로 사용하기 위해서는 폐비닐류를 이용한 재생원료의 인장강도는 100 $kgf/cm^2$ 정도가 적합함을 알 수 있었다.
The produced quantity of waste plastics including waste vinyls was assumed as about 5 million tons per year. The quantity of waste vinyls produced from the waste recycling center among total quantity of waste plastics was estimated as about 1 million tons per year. Most of waste vinyls produced from the waste recycling center were recycled as refuse plastic fuel(RPF) or recycled feedstock material. In this study, the medium material using waste vinyls was made by the melting process of heat medium heating and the tensile strength was analyzed for checking the usable possibility of recycled waste vinyl material by comparing with the existent product. In order to use the medium material for producing the recycled product, it can be considered that the tensile strength of medium material is more than 100 $kgf/cm^2$.
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