Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
권호 표지

Synthesis and Characterization of Co-Surfactant Templated Mesoporous Materials with Enhanced Hydrothermal Stability

  • Kim Geon-Joong (Department of Chemical Engineering, Inha University) ;
  • Kim Hyun-Seok (Department of Polymer Science and Engineering, Inha University) ;
  • Ko Yoon Soo (Department of Polymer Science and Engineering, Inha University) ;
  • Kwon Yong Ku (Department of Polymer Science and Engineering, Inha University)
  • Published : 2005.12.01
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Abstract

Ordered mesoporous materials with a hydrothermally-stable, protozeolitic framework were prepared by exploring the direct conversion of inorganic species based on co-surfactant templating systems. To confer hydrothermal stability on the mesoporous aterials, the organic-inorganic hybrids were heat-treated in strongly basic media. Co-surfactant templating systems of cetyltrimethylammonium bromide [$C_{16}H_{13}(CH_{3})_{3}$NBr, CTAB] with 1,3,5-trim­ethylbenzene (TMB) or a nonionic block copolymer of poly(ethylene oxide )-b-poly(propylene oxide )-b-poly(ethyl­ene oxide) ($EO_{20}PO_{70}EO_{20}$) were employed to improve the hydrothermal stability of the organic-inorganic self-assembly during the solid rearrangement process of the inorganic species. The mesoscopic ordering of the pore structure and geometry was identified by X-ray diffraction, small angle neutron scattering and electron microscopy.

Keywords

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