Article
  • Effects of Silane Coupling Agent on the Mechanical and Thermal Properties of Silica/Polypropylene Composites
  • Lee MC, Kim YS, Byu HJ, Baeck SH, Shim SE
  • 실리카/폴리프로필렌 복합재료의 기계적 및 열적 물성에 미치는 실란 커플링제의 영향
  • 이민철, 김영선, 류현준, 백성현, 심상은
Abstract
The effect of silane coupling agent on the mechanical and thermal properties of silica/polypropylene composite was studied. Epoxy, amino, and methacryloxy silanes were introduced as coupling agents. Silica/PP composites were investigated in terms of flexural, tensile, impact strength, and thermal stability in accordance with type, concentration, and processing methods of silane coupling agent. Mechanical properties of the composites prepared by melt-mixing and compression molding were tested by UTM and impact tester, and thermal properties were analyzed by TGA and DSC. As a result, it was confirmed that the silica/PP composite mixed with 5 wt% amino-functionalized silane prepared by dry method showed the highest mechanical and thermal properties.

실란 커플링제 도입에 따라 silica가 충전된 폴리프로필렌의 기계적, 열적 물성에 미치는 영향을 살펴보았다. Epoxy, amino와 methacryloxy 작용기를 가지고 있는 실란 커플링제를 사용하였다. 종류, 농도와 실란 커플링제의처리방법에 따라 silica/PP 복합체의 인장강도, 굴곡강도, 충격강도 및 열적안정성을 분석하였다. 용융혼합 및 압축성형에 의해 제조된 복합재료 샘플의 기계적 특성을 조사하기 위해 만능재료시험기와 충격시험기를 사용하였고, 열적특성을 조사하기 위해, TGA와 DSC를 사용하였다. 건식방법으로 amino 작용기를 가지고 있는 실란 커플링제를5 wt% 혼합한 silica/PP 복합체가 기계적 물성과 열적 물성이 가장 우수한 것으로 확인되었다.

Keywords: polypropylene; silica; silane coupling agent; composite

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2017; 41(4): 599-609

    Published online Jul 25, 2017

  • 10.7317/pk.2017.41.4.599
  • Received on Dec 18, 2016
  • Accepted on Mar 6, 2017