한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제41권1호
  • /
  • Pages.41-44
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  • 2004
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  • 1229-7801(pISSN)
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  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
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유기물로 수식된 몬트모릴로나이트 제조 및 특성조사

Synthesis and Characterization of Organo-modified Montmorillonite by Ion-exchange Method

  • 김재명 (요업기술원 도자.구조세라믹본부 소재팀) ;
  • 유중환 (요업기술원 도자.구조세라믹본부 소재팀) ;
  • 최의석 (요업기술원 도자.구조세라믹본부 소재팀) ;
  • 이성민 (요업기술원 도자.구조세라믹본부 소재팀) ;
  • 김형태 (요업기술원 도자.구조세라믹본부 소재팀)
  • Kim, Jae-Myung (Material Team, Whiteware.Structural Ceramics Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Yoo, Jung-Whan (Material Team, Whiteware.Structural Ceramics Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Choi, Eui-Seok (Material Team, Whiteware.Structural Ceramics Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Lee, Sung-Min (Material Team, Whiteware.Structural Ceramics Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Kim, Hyung-Tae (Material Team, Whiteware.Structural Ceramics Center, Korea Institute of Ceramic Engineering and Technology)
  • 발행 : 2004.01.01
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초록

층상구조를 갖는 점토광물은 층상의 이온교환자리에 친소수성 유기물을 화학적으로 치환할 수 있어 도자기 소지의 친소수성 정도를 조절할 수 있다. 본 연구에서는 Montmorillonite를 이온교환법으로 dodecylamine, hexadecylamine과 반응시켜 유기물이 점토광물에 복합화된 유기-점토 복합체를 조조하였다. 유기물이 점토광물 구조에 치환된 위치 및 층상구조의 간격변화는 FT-IR과 WAXD로, 수식된 유기물의 양은 TG-DSC, C/S 기기를 사용하여 조사하였다. 분석을 통하여 유기물은 층상에 선택적으로 치환하여 층간격을 증가 (12${\AA}{\leftrightarro}16{\AA}$) 시키는 역할을 하였고, 비교적 친수성을 보이는 MMT가 첨가된 가소제로 인하여 소수성으로 변하고 있음을 발견하였다.

Hydrophilicity and hydrophobicity of pottery bodies can be controlled via chemical substitution of layered clay with hydrophilic and hydrophobic organics. In this study, organo-clay nanocomposites were prepared by ion-exchange of montmorillonite with dodecylamine and hexadecylamine, respectively. Substitution sites of organics and the interval changes of layered materials are characterized by FT-IR and WAXD and organics amounts loaded and water comtents contained by C/S analysis and TG-DSC. The organics were selectively intercalated so that increase layer interval from 12${\AA}\; to\;16{\AA}$. Organo-modified clay is changed to more hydrophobic comparing to clay itself.

키워드

참고문헌

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