Process for improving the light fastness of polyamide dyeings wi

Details Process for improving the light fastness of polyamide dyeings wi Process for improving the light fastness of polyamide dyeings wi

1981-10-15

1983-05-17

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Nitrogen-containing, other than nitro or nitroso

8607, 8608, 8624, 8680, 8685, 8924, 260 4775C, D06P 164, D06P 324

Patent

active

043838359

ABSTRACT:
The light fastness of polyamide dyeings can be improved by treating polyamide fibre materials, before, during or after dyeing, with copper complexes of the reaction products of salicylaldehydes with amines (for example cyclohexylamine), or with copper complexes of o-hydroxybenzophenones.

REFERENCES:
patent: 3203752 (1965-08-01), Mills et al.
patent: 3329696 (1967-07-01), Sparks
patent: 3361710 (1968-01-01), Sparks
patent: 3363969 (1968-01-01), Brooks
C. S. Hockins et al., Nature, 1955, 176, (No. 4487), pp. 832-833.

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