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Hard Coatings for Polymer Films by Biomimetic in situ Precipitation

Published online by Cambridge University Press:  25 February 2011

John L Lombardi  and
Paul Calvert
John L Lombardi
Affiliation:
University of Arizona, Arizona Materials Laboratories, Tucson, AZ 85712
Paul Calvert
Affiliation:
University of Arizona, Arizona Materials Laboratories, Tucson, AZ 85712
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Abstract

Hard siliceous coatings on polyethyleneterephthalate (PET) surfaces have been prepared upon hydrolyzing a tetraisocyanatosilane permeant present in biaxially oriented PET film samples. The structure of these films differs from commercial PET film materials in that silica is present both as a surface layer and as discrete submicron particles dispersed throughout the films. In order to accomplish this, it was found that suitable silica precursors should be chemically compatible with the polymer and have calculated Hildebrand solubility parameter values similar to that for PET.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 286: Symposium J – Nanophase and Nanocomposite Materials , 1992 , 309
Copyright
Copyright © Materials Research Society 1993

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References

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