Non-alcohol fountain solution for planographic offset printing

Details Non-alcohol fountain solution for planographic offset printing Non-alcohol fountain solution for planographic offset printing

B - Operations, Transporting

41

N

B41N 3/08 (2006.01)

Patent

CA 2106517

ABSTRACT OF THE DISCLOSURE 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.

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