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Composition-Structure-Properties Relationship and Durability of Modified Organosilicate Polymeric Composite

Published online by Cambridge University Press:  15 February 2011

Svetlana V. Tchouppina  and
Larisa N. Krasil'nikova
Svetlana V. Tchouppina
Affiliation:
Russian Academy of Sciences, Silicate Chemistry Department, Odoevsky Str., 24/2, St.-Petersburg, 199155, Russia
Larisa N. Krasil'nikova
Affiliation:
Russian Academy of Sciences, Silicate Chemistry Department, Odoevsky Str., 24/2, St.-Petersburg, 199155, Russia
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Abstract

The present work was aimed at the development of new organosilicate polymeric composite, based on polydimethylphenylsiloxane/polyurethane (PDMPS/PU) miscible blend, filled with silicates and metal oxides. Considerable improvement of mechanical and corrosion-protective properties due to introduction of polyurethane has been observed. Coatings with sufficient thermostability (up to 300°C) have been obtained in the case of 20% polyurethane content, related to amount of binders. The effects coating heat treatment temperature and curing conditions on adhesion of metal/composite interface have been studied. Surface energy characteristics of this coating have been obtained and were correlated with its microstructure, determined from Scanning Electron X-ray Microprobe Analyses. Recently developed composite appeared to show increased durability in atmosphere operation conditions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 385: Symposium N – Polymer/Inorganic Interfaces II , 1995 , 147
Copyright
Copyright © Materials Research Society 1995

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References

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