D - Textiles – Paper – 06 – P
Patent
D - Textiles, Paper
06
P
8/25.2
D06P 1/02 (2006.01) C09B 31/062 (2006.01) D06P 1/18 (2006.01)
Patent
CA 1112810
ABSTRACT OF THE DISCLOSURE In the process for the pad-dyeing or printing of materials consisting of, or containing, polyester or polyamide fibers or filaments, in which process the materials are padded or printed in common manner with aqueous baths or printing pastes of disperse dyestuffs, and the dyestuffs are sub- sequently fixed by the action of liquid or gaseous methylene chlorite or both of the said phases of methylene chloride, the improvement that use is ado of a dyestuff of the general formula Image (1) in which R1 stands for hydrogen, hydroxy, nitro or Image , R2 and R3 each stand for hydrogen, chlorine or alkyl from 1 to 3 carbonatoms or an alkoxy group of from 1 to 3 carbon atoms, R4 represents hydrogen, chlorine, alkyl from 1 to 3 carbon atoms, an alkoxy group from 1 to 3 carbon atoms or -CH-CH-CH-CH- forming the naphthalene ring, and R5 stands for hydrogen, alkyl from 1 to 3 carbon atoms or alkoxy from 1 to 3 carbon atoms, which dyestuffs have a solubility in methylene chloride of at least 2 g/1.
302727
Birke Walter
Eltz Hans-Ulrich von Der
Schon Franz
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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