Procédé servant à empêcher la décoloration de vinylacétoxysilanes

Process for preventing discoloring of vinylacetoxysilanes

Verfahren zur Verhinderung von Verfärbungen in Vinylacetoxysilanen

Abstract

The discolouring of vinylacetoxysilanes is prevented by an addition of the compounds 3,5-ditertiary butylpyrocatechol and/or 2,6-ditertiary butyl-4-methylphenol and/or 2-mercaptobenzimidazole in amounts of 25 to 500 ppm.
Verfärbungen in Vinylacetoxysilanen werden durch Zusatz der Verbindungen 3,5-Ditertiärbutylbrenzcatechin und/oder 2,6-Ditertiärbutyl-4-methylphenol und/oder 2-Mercapto-benzimidazol in Mengen von 25 bis 500 ppm verhindert.

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NO-Patent Citations (1)

    Title
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    EP-0753521-A3May 14, 1997Chisso CorpVerfahren zur Destillation von rohen Acrylsilanlösungen