Method of modifying the dye affinity of cellulose...

Details Method of modifying the dye affinity of cellulose... Method of modifying the dye affinity of cellulose...

D - Textiles, Paper

06

P

8/30

D06P 5/00 (2006.01) D06M 13/256 (2006.01) D06P 5/22 (2006.01) D06P 5/28 (2006.01)

Patent

CA 1173601

- 36 - ABSTRACT OF THE DISCLOSURE The method involves treating a cellulose fiber- containing structure with an alkaline agent, coating the structure with an acid chloride having the following formula: Image (wherein X is -H, -N02, -CH3 or -S02C?) and subjecting the resultant structure to heat treatment to cause chemical modification. The acid chloride is employed in the form of an emulsion in water. The emulsion may also contain a thickener such as a natural sizing agent or a dye. The method provides a more dyeable cellulose fiber-containing structure.

390419

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