Protective lubricant emulsion compositions for printing

Details Protective lubricant emulsion compositions for printing Protective lubricant emulsion compositions for printing

D - Textiles, Paper

21

H

D21H 19/12 (2006.01) B41M 7/00 (2006.01) B41N 3/08 (2006.01) C10M 173/00 (2006.01)

Patent

CA 2232779

A protective non-silicone oil aqueous lubricant emulsion for web off-set lithographic printing comprises from about 30 wt% to about 70 wt% hydrocarbon oil, from about 1 wt% to about 8 wt% of a surfactant having an HLB factor less than about 6, from about 2 wt% to about 9 wt% of a surfactant having an HLB factor greater than about 11, and from about 25 wt% to 60 wt% water, the emulsion having an average particle diameter of from about 500 nm to about 1100 nm. The emulsion enhances control of the dimensional stability of inked sheets and of the coefficient of friction of the heatset web.

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