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Formation of fiber-like amorphous silica structures by externally applied shear

Patwardhan, S V and Mukherjee, N and Clarson, S J (2001) Formation of fiber-like amorphous silica structures by externally applied shear. Journal of Inorganic and Organometallic Polymers, 11 (2). pp. 117-121. ISSN 1053-0495

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Abstract

The structure of amorphous silica determines its properties and governs its applications. Here we report the synthesis of elongated silica chains/rods on the nanometer size scale formed by the orientation of a growing silica sol. We have utilized a cationically charged synthetic organic polymer as a catalyst/template and perturbed the system by externally applied shear. It is proposed that the polymer orientation plays an important role in the formation of such morphologies.

Item type: Article
ID code: 31576
Keywords: silica, sol-gel, elongated morphology, polyallylamine hydrochloride (PAH), tetramethoxysilane (TMOS), externally applied shear, Chemical engineering, Materials Chemistry, Polymers and Plastics
Subjects: Technology > Chemical engineering
Department: Faculty of Engineering > Chemical and Process Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 15 Jun 2011 13:33
    Last modified: 05 Sep 2014 09:27
    URI: http://strathprints.strath.ac.uk/id/eprint/31576

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