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US 4,380,623 AGranted
Preparation of polyamide from dinitrile, diamine, water, and CO.sub.2 catalyst
AssigneeThe Standard Oil Company
InventorsJanice L. Greene, Roman Loza
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Abstract
This invention describes a process for preparing amides comprising contacting a nitrile, amine and water in the presence of a carbon dioxide catalyst. In one embodiment, nylon-6,6 is prepared by contacting adiponitrile, hexamethylene diamine and water in the presence of carbon dioxide.
Claims6
A process for preparing a solid polyamide comprising contacting a diamine with water, a dinitrile and a catalytic amount of carbon dioxide.
Dependencies are inferred from the claim text.