Process for producing discharge reserve prints on textile materi

Details Process for producing discharge reserve prints on textile materi Process for producing discharge reserve prints on textile materi

1981-09-28

1983-06-07

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Process of printing permanently on substrate, other than...

Resist or reserve

8456, 8464, 8449, 8532, 8543, D06P 512, C09B 2908

Patent

active

043869351

ABSTRACT:
An improved process for producing discharge reserve prints on textile materials comprising water-repellent fibers or mixed water-repellent and cellulose fibers wherein a disperse dyestuff which is dischargeable to white is applied to the textile material in the form of a dye liquor or dye printing paste, at least partially drying the textile material, applying a discharge reserve printing paste to the material by printing on the material in the desired pattern and subsequently heating the printed material at temperatures from 100.degree. to 230.degree. C., with the improvement comprising (a) the discharge reserve printing paste containing, as the discharging agent, an alkaline material which produces a pH value of at least 8 in 5% strength aqueous solution and (b) the disperse dyestuff which is dischargeable to white is a disperse dyestuff of the formula ##STR1## as more fully defined herein.

REFERENCES:
patent: 3990839 (1976-11-01), von der Eltz
patent: 4023925 (1977-05-01), Fadler
patent: 4252580 (1981-02-01), Ribka et al.
patent: 4265629 (1981-05-01), Ribka et al.
patent: 4313731 (1982-02-01), Imahori et al.
Chemical Abstract vol. 83:148990.
Research Disclosure, vol. 198, Oct. 1980, pp. 415-416, No. 19827.

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