N-cyanocarboxylic acid amides, processes for their...

Details N-cyanocarboxylic acid amides, processes for their... N-cyanocarboxylic acid amides, processes for their...

C - Chemistry, Metallurgy

08

G

402/263, 402/273

C08G 59/44 (2006.01) C08G 59/40 (2006.01)

Patent

CA 1242216

N-Cyanocarboxylic acid amides, processes for their preparation and their use Abstract N-Cyanocarboxylic acid amide derivatives which con- tain two or three Image 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.

422011

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