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Novel Uv-Curable Low-Shrinking Silanes as Precursors for the Sol-Gel-Process

Published online by Cambridge University Press:  10 February 2011

S. Stein ,
N. Moszner ,
Th. Voelkel  and
V. Rheinberger
S. Stein
Affiliation:
sabine.stein@ivoclar.com
N. Moszner
Affiliation:
Ivoclar AG, Bendererstrasse 2, FL-9494 Schaan, Principality of Liechtenstein
Th. Voelkel
Affiliation:
Ivoclar AG, Bendererstrasse 2, FL-9494 Schaan, Principality of Liechtenstein
V. Rheinberger
Affiliation:
Ivoclar AG, Bendererstrasse 2, FL-9494 Schaan, Principality of Liechtenstein
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Abstract

The increasing interest in inorganic-organic nanocomposites which offer the possibility to build up both an inorganic and organic network by hydrolysis and condensation and by polymerization reactions, respectively, leads to the development of a new class of double bond functionalized silanes. These 2-vinylcyclopropyl silanes were synthesized e.g. by reaction of 1-methoxycarbonyl-2-vinylcyclopropane-l-carboxylic acid with 3-isocyanatopropyltriethoxysilane. Hydrolysis and condensation of the alkoxy groups as well as cocondensation with tetraalkoxysilanes lead to solvent-free liquid resins that can be cured by UV-light-induced radical polymerization of the vinylcyclopropane group. The synthesis and characterization of different 2-vinylcyclopropyl silanes, hydrolysation and condensation behavior and first results of the radical polymerization will be discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 519: Symposium O – Organic/Inorganic Hybrid Materials , 1998 , 357
Copyright
Copyright © Materials Research Society 1998

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