Printing on pretreated substrates

Bleaching and dyeing; fluid treatment and chemical modification – Process of printing permanently on substrate – other than...

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Details

8506, 8557, 8561, 8594, 8602, 8625, 8635, 8922, D06P 500

Patent

active

045198039

ABSTRACT:
In the printing of dyes onto substrates, the pretreatment of the substrates with low levels of calcium or sodium salts or other gelling/insolubilizing agents effectively reduces dye usage.

REFERENCES:
patent: 4222740 (1980-09-01), Bohrn et al.
patent: 4264322 (1981-04-01), Lewis et al.

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