Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Mechanical Properties of PVC Complexes Using Waste-Gypsum (I)

폐석고를 활용한 PVC 복합체 수지의 기계적 물성 (I)

  • Ho, Dong-Su (Department of Chemistry, Sunchon National University) ;
  • Park, Young-Hoon (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Nah, Jae-Woon (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Choi, Chang-Yong (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Kim, Myung-Yul (Department of Polymer Science and Engineering, Sunchon National University)
  • 하동수 (순천대학교 자연과학대학 화학과) ;
  • 박영훈 (순천대학교 공과대학 고분자공학과) ;
  • 나재운 (순천대학교 공과대학 고분자공학과) ;
  • 최창용 (순천대학교 공과대학 고분자공학과) ;
  • 김명열 (순천대학교 공과대학 고분자공학과)
  • Published : 2002.03.31

Abstract

In this study, mechanical properties of PVC complexes containing the gypsum (Namhae Chemical Co.) which contains phosphte, CaO, etc., Pb-species stabilizer, and $CaCO_3$ were investigated as a function or the content. As a result, mechanical properties increased when the gypsum was mixed with PVC at the extent of 8.46wt%. From this result, it is suggested that the gypsum containing phosphate and CaO is compatible with PVC. Thermogravimetric analysis(TGA) showed that pyrolysis started about at $275^{\circ}C$, and residual weight(%) increased with the amount of the gypsum, and differential scanning calorimetry (DSC) showed that $T_m,\;T_g$ had the maximum and minimum value respectively when the gypsum was mixed with PVC at the extent of 8.46wt%. Comparing all the results, both mechanical and thermal properties of PVC complex were improved. The X-ray diffraction measurement also showed their blonds and structures.

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