Dyeing and printing of water-swellable cellulose material and bl

Details Dyeing and printing of water-swellable cellulose material and bl Dyeing and printing of water-swellable cellulose material and bl

1978-02-07

1980-03-18

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41R, 8 542, 8 93, D06P 382

Patent

active

041937635

ABSTRACT:
This invention relates to a class of disazo dyes that are useful to dye and print water-swellable cellulose material and blends thereof with synthetic materials, and, in particular, to dye and print polyester-cotton blends.
More particularly, the process of this invention relates to a process or method for dyeing and printing fabrics of water-swellable cellulose material and blends thereof with synthetic materials, in particular polyester-cotton mixed fibres, such process comprising the dyeing and printing of the material in the presence of water and of a high-boiling solvent, capable of maintaining cellulose in the swollen state at the application temperature, with disazo dyes having general formula (I): ##STR1## wherein: X.sub.1 =a hydrogen, alkyl or alkoxyl having 1 to 4 atoms of carbon, chlorine, bromine, --CN, --NHCOR.sub.1, --NHCO--Ar, --COOR, --CON(R.sub.1).sub.2, --NO.sub.2 ;

REFERENCES:
patent: 3667897 (1972-06-01), Blackwell et al.
patent: 3706525 (1972-12-01), Blackwell et al.
patent: 3711245 (1973-01-01), Neumer
patent: 3744967 (1973-07-01), Thackrah
patent: 3752645 (1973-08-01), McGuire
patent: 3752646 (1973-08-01), Blackwell
patent: 3752647 (1973-08-01), Mentzer
patent: 4049377 (1977-09-01), Schwab et al.

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