PROCESS FOR PREPARING A CARBODIIMIDE USING A SPECIFIC CATALYTIC COMPOUND COMPRISING A METAL M AND OXYGEN, WHEREIN THE METAL M IS ONE OR MORE OF MO AND W
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Jan 10, 2023
filing date -
Jan 10, 2023
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Abstract
A process for preparing a carbodiimide includes (i) providing a mixture including one or more isocyanates and a catalytic compound, and (ii) subjecting the mixture obtained in (i) to reaction conditions in a gas atmosphere. The catalytic compound includes a metal and oxygen, wherein the metal is one or more of Mo and W. and at least a portion of the metal in the catalytic compound is bound to oxygen via one or more single bonds, via one or more double bonds, or via one or more single and double bonds. The reaction conditions in the gas atmosphere take place at a temperature in a range of from 45 to 220° C.
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