Recording materials of improved lubricity for use in...

Details Recording materials of improved lubricity for use in... Recording materials of improved lubricity for use in...

B - Operations, Transporting

41

M

42/1, 314/3

B41M 5/24 (2006.01) H05K 3/00 (2006.01) H05K 3/08 (2006.01)

Patent

CA 1221831

RECORDING MATERIALS OF IMPROVED LUBRICITY FOR USE IN ELECTROEROSION PRINTING ABSTRACT Electroerosion recording materials are provided with a surface lubricant film of particulate lubricating nonconductive graphite fluoride and optional conductive materials in a polymeric binder. The lubricating agents reduce stylus scratching of the conductive layer during electroerosion printing, improve contrast, provide a beneficial coating on the writing electrode or stylus and improve the handling and writing charac- teristics of the recording material. The lubricating agents/polymer films are especially useful (1) where the substrate of the recording material is light transmissive and, after the electroerosion process, the resulting product is suitable for direct-negative applications and (2) where direct offset masters are produced by removal of noneroded lubricant film.

465431

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