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http://dx.doi.org/10.17702/jai.2021.22.3.106

A Study on the Manufacturing and Properties of High Density Polyethylene Composites Filled with Waste Gypsum  

Jin, Woo Seok (Department of Materials Engineering and Convergence Technology, RECAPT, Gyeongsang National University)
Moon, Junho (Department of Materials Engineering and Convergence Technology, RECAPT, Gyeongsang National University)
Kong, Tae Woong (Space-Aeronautics & Advanced Non-Metal Material Center, Jeonnam Technopark)
Kim, Hyang Tae (Epolytech Co., Ltd)
Choi, Sang Hwan (Epolytech Co., Ltd)
Oh, Jeong Seok (Department of Materials Engineering and Convergence Technology, RECAPT, Gyeongsang National University)
Publication Information
Journal of Adhesion and Interface / v.22, no.3, 2021 , pp. 106-110 More about this Journal
Abstract
Recently, research using waste among eco-friendly materials has been attracting attention. In this study, we investigated the physical properties of blends in which high density polyethylene (HDPE) was filled with waste gypsum (CaSO4) generated during fertilizer manufacturing. Composites were prepared by adding the gypsum content 0~20 wt% using a twin screw extruder. The mechanical, rheological, and thermal properties of the composites were evaluated. It was found that the tensile strength of the composites was less than 4.1% compared to that of unfilled HDPE, so there is no significant deterioration in physical properties. The thermal stability of the composites was improved as the gypsum content increased and the gypsum content had little effect on the viscosities of the composites.
Keywords
Polyethylene; Gypsum; Recycling; Waste;
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