Carbodiimides

Details Carbodiimides Carbodiimides

1977-08-23

1978-04-18

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C119055

Patent

active

040851400

ABSTRACT:
A process for the conversion of isocyanate groups to carbodiimide groups which comprises contacting the compound containing the isocyanate groups with a cyclic phosphorus compound which catalyses said conversion in the presence of a nitrogeneous base and the use of the products thereof in the manufacture of isocyanate-based polymers.

REFERENCES:
patent: 4014935 (1977-03-01), Ibbotson

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