Record sheet used in electro-coagulation printing method

Details Record sheet used in electro-coagulation printing method Record sheet used in electro-coagulation printing method

1996-11-27

1999-03-30

Chin, Peter

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

204492, 162135, 162138, 101DIG29, B41M 118

Patent

active

058883673

ABSTRACT:
The present invention provides a record sheet used in an electro-coagulation printing method for forming characters and images on a cylinder as an electrode with an ink which coagulates with electric charge and for transferring the characters and images to the record sheet, wherein the wet time is 15 milliseconds or less, obtained from the absorption curve of pure water measured by a dynamic scanning absorptometer. Preferably, the record sheet has 5 ml/m.sup.2 s.sup.-1/2 or more absorption coefficient, and more preferably, has contact ratio measured by a specular reflection smoothness tester under a pressure of 40 kg/cm.sup.2 with a ray having a wavelength of 0.5 .mu.m is 40% or more. The record sheet can be used for various print sheets, in particular, for business form sheets and newspaper sheets.

REFERENCES:
patent: 3892645 (1975-07-01), Castegnier
patent: 4555320 (1985-11-01), Castegnier
patent: 4613525 (1986-09-01), Miyamoto et al.
patent: 4764264 (1988-08-01), Castegnier
patent: 5541002 (1996-07-01), Hosoi et al.

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