한국산학기술학회논문지 (Journal of the Korea Academia-Industrial cooperation Society)

  • 제13권11호
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  • Pages.5595-5600
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  • 2012
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  • 1975-4701(pISSN)
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  • 2288-4688(eISSN)
한국산학기술학회 (The Korea Academia-Industrial cooperation Society)
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L-Lactide 폴리머의 내열성 향상을 위한 핵제의 효과 연구

The Effect of Nucleating Agent for Improving Heat Resistance Properties of L-Lactide Polymer

  • 심재호 (한라대학교 신소재화학공학과) ;
  • 김수종 (한라대학교 신소재화학공학과) ;
  • 심재훈 ((주)엔피아이 부설연구소)
  • Sim, Jae-Ho (Department of Advanced Material and Chemical Engineering, Halla University) ;
  • Kim, Soo-Jong (Department of Advanced Material and Chemical Engineering, Halla University) ;
  • Shim, Jae-Hoon (NPI Co., Ltd. R&D Center)
  • 투고 : 2012.08.14
  • 심사 : 2012.11.08
  • 발행 : 2012.11.30
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초록

본 논문은 poly(lactic acid)의 내열성을 향상시키기 위한 결정화 핵제의 검토 및 연구에 대한 것이다. 네 종류의 미세분말 핵제인 금속염 2,2'-methylene bis(4,6-di-tert-butylphenol) salt를 결정화 핵제로 사용하였다. 폴리머 컴파운드의 열적 및 기계적 특성은 DSC, HDT, UTM을 통해 측정하였다. 이 연구의 결과로서, 컴파운드 한 폴리머 샘플들의 내열특성은 핵제의 함량 증가와 미세분말 일수록 선형적으로 증가 하였다. 그 중에서MPZ2의 함량이 2 wt%일때 가장 높은 내열특성을 나타내었으며, PL98Z2 컴파운드의 열변형 온도는 $116^{\circ}C$를 나타내었다 (ASTM D 648, 0.455MPa).

This paper is to review and study about the crystallization nucleating agent to improve the heat-resistance properties of poly(lactic acid). Four sub-micron sized nucleating agents, metallic salts of 2,2'-methylene bis(4,6-di-tert-butylphenol), were prepared and used as a crystallization nucleating agent. Thermal and mechanical properties of polymer compounds were investigated by DSC, HDT and UTM. As the results, While the heat-resistance properties of the polymer compound samples were increased linearly with the contents of nucleating agent as well as their smaller size. Among them, the highest heat-resistance property of compound was observed with 2 wt% of MPZ2. HDT values of PL98Z2 compound was $116^{\circ}C$ at 0.455Mpa.

키워드

참고문헌

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