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Novel Carboxy Functionalized Sol-Gel Precursors

Published online by Cambridge University Press:  10 February 2011

H. Wolter ,
W. Storch  and
C. Gellermann
H. Wolter
Affiliation:
Fraunhofer-Institut für Silicatforschung, Neunerplatz 2, D-97082 Würzburg, Germany
W. Storch
Affiliation:
Fraunhofer-Institut für Silicatforschung, Neunerplatz 2, D-97082 Würzburg, Germany
C. Gellermann
Affiliation:
Fraunhofer-Institut für Silicatforschung, Neunerplatz 2, D-97082 Würzburg, Germany
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Abstract

A novel family of inorganic-organic copolymers (ORMOCER*s) derived from urethaneand thioether(meth)acrylate alkoxysilanes has been successfully exploited for a variety of diverse applications. In order to widen the range of applications an additional functionality (carboxy group) has been incorporated in this silane type. Conventional sol-gel processing facilitates the formation of an inorganic “Si-O-Si”-network via hydrolysis and polycondensation reactions of alkoxysilyl moieties and in addition, the (meth)acrylate groups are available for radically induced polymerization to obtain a complementary organic polymeric structure. The presence of a carboxy group would appear to have great potential for a range of diverse areas of application, such as an internal catalyst for the sol-gel process, complexation of elements such as Zr and Ti, increasing the adhesion to various substrates and modification of solubility. A number of novel silanes and their syntheses will be described in this paper.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 435: Symposium V – Better Ceramics Through Chemistry VII , 1996 , 67
Copyright
Copyright © Materials Research Society 1996

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