Universal chemical system for offset printing

Details Universal chemical system for offset printing Universal chemical system for offset printing

1992-03-16

1993-10-26

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Coating repellent

101451, 101148, 101465, 101466, C09K 318, B41N 3108

Patent

active

052561909

ABSTRACT:
The present invention discloses a universal chemical system for offset printing comprising a plate coating, a fountain concentrate solution, an alcohol replacement solution, a roller coating, and a plate wash. The system uses the same types of chemicals throughout to achieve a system compatible throughout. The plate coating comprises deionized water, citric acid, sodium phosphate dibasic, gum arabic, magnesium nitrate solution, glycerine, and propyl alcohol. The fountain concentrate solution contains water, citric acid, sodium citrate, sodium phosphate dibasic, sodium benzoate, gum arabic, glycerine, ethyl hexandiol, and erio green B supra. The alcohol replacement solution contains deionized water, diethylene glycol, propasol P, glycerine, and dowanol PM. The roller coating contains deionized water, citric acid, disodium phosphate, gum arabic, glycerine, and propyl alcohol. The plate wash contains water, citric acid, dowanol EB, dowanol PM, maphos 8135, phosphoric acid, and erio glaucine a supra.

REFERENCES:
patent: 4030417 (1977-06-01), Lipovac
patent: 4238279 (1980-12-01), Tsubai et al.
patent: 4748098 (1988-05-01), Schell
patent: 4764213 (1988-08-01), Gventer
patent: 4798627 (1989-01-01), Schmitt et al.

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