Non-alcohol fountain solutions

Compositions: coating or plastic – Coating or plastic compositions – Coating repellent

Patent

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Details

101451, C09K 318

Patent

active

053363027

ABSTRACT:
Low temperature flash-point alcohols are supplanted in fountain solutions for use in offset planographic printing by a high temperature flash-point amine which enables continued use of existing printing plates and printing materials while taking into consideration environmental concerns. An amine, such as N-methyl pyrrolidine, is selected and combined in an aqueous solution of a buffer such as monopotassium phosphate, a humectant such as glycerin, and an emulsifying and coupling agent such as ethylene glycol monobutyl ether. A desensitizing agent such as gum arabic is preferably added; and an inert food coloring can be added, with the balance water.

REFERENCES:
patent: 3687694 (1972-08-01), Van Dusen, Jr.
patent: 4374036 (1983-02-01), Canale et al.
patent: 4764213 (1988-08-01), Gventer et al.
patent: 4865646 (1989-09-01), Egberg

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