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

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.

Acknowledgement

Supported by : Inha Technical College Research

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