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Spray Drying FunctionalizedMesostructured Colloids

Published online by Cambridge University Press:  10 February 2011

Peter Alberius ,
Nina Andersson  and
Lennart Bergström
Peter Alberius
Affiliation:
YKI, Institute for Surface Chemistry Box 5607, SE-114 86 Stockholm, Sweden
Nina Andersson
Affiliation:
YKI, Institute for Surface Chemistry Box 5607, SE-114 86 Stockholm, Sweden
Lennart Bergström
Affiliation:
YKI, Institute for Surface Chemistry Box 5607, SE-114 86 Stockholm, Sweden
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Abstract

An industrially viable production method is a prerequisite for the commercialization of templated mesostructured materials, e.g. as carriers of various functionalities in coatings, in the coatings of ink jet paper and liquid chromatography. A small pilot plant was constructed for the continuous production of well ordered mesostructured materials (>10g/h) that can easily be scaled to an industrial process. The silica colloids have a well controlled internal mesostructure and are spherical with a mean diameter of 1-5μm. The mesoscopic pores in the calcined materials are accessible to relatively large molecules; up to 25 % (by weight) of the cationic dye Janus Green B could be adsorbed from an aqueous solution. We have also demonstrated how optically functional silica colloids could be prepared in a one-pot synthesis by introducing different dyes into the precursor solution.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 775: Symposium P – Self-Assembled Nanostructured Materials , 2003 , P3.22
Copyright
Copyright © Materials Research Society 2003

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