Unprecedented effects of solvent and temperature of preparation on hydrosilylating properties of alumina-supported platinum catalyst
✍ Scribed by Yves Fort; Antonella Silvestri; Hervé Graindorge
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 554 KB
- Volume
- 112
- Category
- Article
- ISSN
- 1381-1169
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✦ Synopsis
It is shown that the solvent and the temperature used during the coordination step in the preparation of an alumina-supported platinum catalyst have large effects on their observed hydrosilylating properties. These unprecedented observations lead to the preparation of a highly active and reusable catalyst.
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A new type of catalyst for the hydrosilylation of unsaturated monomers with dichloromethylsilane (DCMS) was prepared, which consisted of thiolmethylene-substituted styrene-divinyl benzene copolymer and platinum. When using DCMS as a hydrosilylation agent, these catalysts showed a high activity in th