N-cyanocarboxylic acid amides, processes for their preparation a

Details N-cyanocarboxylic acid amides, processes for their preparation a N-cyanocarboxylic acid amides, processes for their preparation a

1983-02-15

1986-10-21

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564 91, 564105, 564106, 528119, C07L12508, C08G 5944

Patent

active

046187120

ABSTRACT:
N-Cyanocarboxlic acid amide derivatives which contain two or three ##STR1## groupings in the molecule are obtained by reacting 1 mol of a dicyanodiamine with 2 mols of a carboxylic acid anhydride or 1 mol of a dicyandiamine salt with 2 mols of a carboxylic acid halide or 1 mol of a dihalogeno compound with 2 mols of an N-cyanocarboxylic acid amide salt, or by reacting 1 mol of a carboxylic acid dichloride or trichloride with 2 or, respectively, 3 mols of a cyanamide or 1 mol of a carboxylic acid dicyandiamide or tricyantriamide salt with 2 or 3 mols of an alkylating agent.
The N-cyanocarboxylic acid amide derivatives according to the invention are useful hardeners for epoxide resins.

REFERENCES:
patent: 3564607 (1971-02-01), Breuer
patent: 4013706 (1977-03-01), Anatol et al.
patent: 4049711 (1977-09-01), Kray
patent: 4435549 (1984-03-01), Lin

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