Method for producing carbamatoorganosilanes
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United States of America Patent
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Mar 13, 2018
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Sep 17, 2014
filing date -
Sep 20, 2013
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Abstract
Carbamatoorganosilanes are produced in exceptionally high yield with a high degree of purity, by reacting an aminoorganosilane with a dialkylcarbonate in the presence of a basic catalyst, wherein a first reaction period proceeds at a temperature in the range of 35-65° C., followed by a later reaction period at a temperature at least 10° C. higher. A low level of catalyst allows its removal by simple exit filtration, without a separate filtration step.
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