• Macroporous silica–alumina composites with mesoporous walls

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    • Keywords


      Macroporous materials; mesoporous materials; silica–alumina composites.

    • Abstract


      Macroporous silica–alumina composites with mesopores have been prepared by employing polymethylmethacrylate beads as templates in the presence of the cationic surfactant, N-cetyl-N,N,N-trimethylammonium bromide. The Si/Al ratio in the composites has been varied between 4.5 and 48 and the occurrence of mesopores has been verified by X-ray diffraction. The surface areas of the samples vary between 676 and 1038 m2g–1, with the highest value in the sample with Si/Al = 48.

    • Author Affiliations


      Gautam Gundiah1

      1. Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560 064, India
    • Dates

  • Bulletin of Materials Science | News

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      Posted on July 25, 2019

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