Process for improving the fastness of dyeings with basic...

Details Process for improving the fastness of dyeings with basic... Process for improving the fastness of dyeings with basic...

D - Textiles, Paper

06

P

8/44

D06P 5/06 (2006.01) C08G 12/02 (2006.01) C08G 12/46 (2006.01) D06P 1/56 (2006.01) D06P 5/08 (2006.01)

Patent

CA 1187654

IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS Abstract of the Disclosure The fastness properties of basic dyeings on cellulosic substrates are improved by treating the substrate with a fixing agent comprising a precondensate or mixture of A) the reaction product of an amine with cyanamide, di- cyandiamide, guanidine or biguanidine or B) a quaternary polyalkylene polyamine with C) formaldehyde and/or D) an N-methylol compound optionally together with E) a catalyst, e.g. MgCl2. The fixing agents are normally applied as an aftertreatment, with a subsequent heat-curing step.

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