Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1992-08-20
1993-06-08
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
544193, C07F 710
Patent
active
052181332
ABSTRACT:
This invention provides a process for making a silylorganocarbamate or a silylisocyanurate which process comprises reacting an aminosilane with a dialkyl carbonate, diaryl carbonate or a mixture thereof in the presence of a basic catalyst to obtain the silylorganocarbamate; optionally, neutralizing the basic catalyst and residual aminosilane with a neutralizing agent; and adding a cracking catalyst and heating at subatmospheric pressure to obtain the silylisocyanurate; or heating a silylorganocarbamate at a temperature sufficient for dissociation of the carbamate at subatmospheric pressure in the presence of a cracking catalyst and a timerization catalyst to obtain a silylisocyanurate.
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Pepe Enrico J.
Su Shiu-Chin H.
Turner Scot M.
Deppenbrock B. L.
Shaver Paul F.
Union Carbide Chemicals & Plastics Technology Corporation
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