Aqueous silicate treatment method for preparing a hydrophilic su

Details Aqueous silicate treatment method for preparing a hydrophilic su Aqueous silicate treatment method for preparing a hydrophilic su

1997-03-27

1998-09-22

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Imagewise heating, element or image receiving layers...

430200, 430204, 4302781, 430253, 430254, 430964, 205203, 205153, 205214, 205220, 205223, 148275, 148276, 148285, 101459, G03F 707, G03F 7039, G03F 709, G03F 734

Patent

active

058112154

ABSTRACT:
According to the present invention there is provided a method for preparing a hydrophilic surface of an aluminum lithographic base comprising the steps of roughening and anodizing a side of an aluminum foil and sealing said side of the aluminum foil with hot water within a temperature range from 70.degree. C. to 100.degree. C. for at least 5 seconds and rinsing said side of the aluminum foil with water characterized in that between said hot water treatment and said rinsing said side of the aluminum foil is treated with an aqueous silicate solution within a temperature range from 70.degree. C. to 100.degree. C. for at least 5 seconds.

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patent: 5556531 (1996-09-01), Wiedemann
patent: 5688629 (1997-11-01), Gries

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