Chemical derivatization of muscovite mica surfaces

E. Kiss, C. G. Gölander

Research output: Article

18 Citations (Scopus)

Abstract

A method to modify mica chemically by means of a plasma discharge in water vapour, to form reactive silanol groups, followed by silylation with isocyanatopropyldimethylchlorosilane has been developed. The introduction of isocyanatopropyl moieties on the surface enables the performance of a wide range of organic derivatization reactions. As examples, amino- and ethylene oxide-functional surfaces have been prepared. The surface film compositions have been quantitatively studied by ESCA. The interaction force in water between poly (ethylene oxide) layers covalently attached to mica, as measured in a surface force apparatus, was repulsive at separations less than 20-30 nm.

Original languageEnglish
Pages (from-to)335-342
Number of pages8
JournalColloids and Surfaces
Volume49
Issue numberC
DOIs
Publication statusPublished - 1990

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Mica
Polyethylene oxides
Water vapor
Ethylene
Plasmas
Oxides
Chemical analysis
Water

Cite this

Chemical derivatization of muscovite mica surfaces. / Kiss, E.; Gölander, C. G.

In: Colloids and Surfaces, Vol. 49, No. C, 1990, p. 335-342.

Research output: Article

Kiss, E. ; Gölander, C. G. / Chemical derivatization of muscovite mica surfaces. In: Colloids and Surfaces. 1990 ; Vol. 49, No. C. pp. 335-342.
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