Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Production of Acetylene Black/silica Composite Particles by Adsorption of Polyethylenimine

Polyethyleneimine 흡착에 의한 아세틸렌 블랙/실리카 복합체 입자 제조

  • Lee, Jeong-Woo (Department of Chemical Engineering, Inha University) ;
  • Park, Jung-Hwan (Department of Environmental and Chemical Technology, Inha Technical College) ;
  • Shim, Sang-Eun (Department of Environmental and Chemical Technology, Inha Technical College)
  • 이정우 (인하대학교 화학공학과) ;
  • 박정환 (인하공업전문대학 화공환경과) ;
  • 심상은 (인하공업전문대학 화공환경과)
  • Received : 2010.01.06
  • Accepted : 2010.01.20
  • Published : 2010.03.30
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Abstract

The acetylene black/silica composite particles were prepared by a simple and fast method using polyethylenimine (PEI) as a coupling agent. The composite particles were produced via the following two steps; adsorption of PEI on the surface of acetylene black particles and synthesis of silica by sol-gel process. The morphology of the composite particles was a core-shell, and a large number of micropores was created after silica was synthesized on the acetylene black surface.

본 논문에서는 polyethyleneimine (PEI)를 커플링제로 사용하여 간단한 공정을 통하여 아세틸렌 블랙/실리카 복합체 입자를 제조하였다. 복합체 입자는 PEI를 아세틸렌 블랙 표면에 흡착시키고 졸-겔 합성공정을 통하여 실리카를 아세틸렌 블랙 위에서 합성하는 두단계 공정을 통하여 제조되었다. 복합체 입자의 모폴로지 분석 결과 실리카가 아세틸렌 블랙위에 존재하는 core-shell 구조를 확인하였으며, 표면에 상당한 미세기공이 존재함을 알 수 있었다.

Keywords

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