Cross-linking of oligoalumosiloxanes

Cross-linking of oligoalumosiloxanes It is shown that cross-linking of the oligomer Al{[OSi(CH3)2]290OH}3 involves terminal hydroxyl groups and is accelerated by the introduction of metalloporphyrazines into the oligomer. The reaction is described by the first-order kinetic equation for irreversible reactions. The effective cross-linking rate constants at 180, 190, and 200°C and the activation energies of the reaction are calculated. A protective material with vulcanized coating based on oligoalumosiloxane has high fire resistance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Cross-linking of oligoalumosiloxanes

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S107042721302002X
Publisher site
See Article on Publisher Site

Abstract

It is shown that cross-linking of the oligomer Al{[OSi(CH3)2]290OH}3 involves terminal hydroxyl groups and is accelerated by the introduction of metalloporphyrazines into the oligomer. The reaction is described by the first-order kinetic equation for irreversible reactions. The effective cross-linking rate constants at 180, 190, and 200°C and the activation energies of the reaction are calculated. A protective material with vulcanized coating based on oligoalumosiloxane has high fire resistance.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Mar 15, 2013

References

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