Waste treatment process for printing operations employing water

Details Waste treatment process for printing operations employing water Waste treatment process for printing operations employing water

1987-02-13

1988-04-19

Cintins, Ivars

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210917, C02F 152

Patent

active

047387858

ABSTRACT:
A waste-treatment process for water-based printing operations which employ inks comprising aqueous dispersions of polyester or polyesteramide materials containing water solubilizing sulfo-salt groups, comprising providing in an agitated vessel a substantially homogenous system of water and multi-valent cation, adding the waste aqueous dispersion of polyester or polyesteramide material from the printing operation to the vessel, allowing ion interchange and insolubilization of the material in the water to occur, and physically separating the water from the insolubilized material.

REFERENCES:
patent: 3285849 (1966-11-01), Watanabe et al.
patent: 3835045 (1974-09-01), Hussissian
patent: 3868320 (1975-02-01), Hider et al.
patent: 4704309 (1987-11-01), Coney et al.
Flick; Ernest W., Printing Ink Formulations, Noyles Publications, Park Ridge, N.J., 1985, pp. 43-62.
"Water-Resistant Coatings from Water-Dispersed Polymers", Research Disclosure, No. 24,222, Jun. 1984.

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