Decreasing alcohol content of fountain solutions for planographi

Details Decreasing alcohol content of fountain solutions for planographi Decreasing alcohol content of fountain solutions for planographi

1993-03-09

1994-08-16

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Coating repellent

101451, C09K 318

Patent

active

053383443

ABSTRACT:
Improvements in fountain solutions which enable continued use of existing planographic printing equipment and printing materials while taking into consideration environmental concerns. Formulation methods for such fountain solutions are disclosed which provide for substantially decreasing the amount of alcohol while continuing printing operations with existing printing inks. Such transitional fountain solutions are compatible with existing types of planographic printing plates and do not require the changing of fountain solution when changing the type of printing plate to be used in a printing press. An amine, such as N-methylpyrrolodine, is selected in combination with an alcohol so as to substantially decrease the alcohol content of the fountain solution; buffers, humectants, and emulsifying and coupling agents are disclosed with percentage ranges for selection to provide for continued quality printing with existing equipment and materials.

REFERENCES:
patent: 3398002 (1968-08-01), Bondurant
patent: 3877372 (1975-04-01), Leeds
patent: 4278467 (1981-07-01), Fadner
patent: 4769072 (1988-09-01), Bondurant et al.
patent: 4854969 (1989-08-01), Bassemir et al.
patent: 4938800 (1990-07-01), Allen
patent: 5203926 (1993-04-01), Bondurant

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