B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
400/5021, 400/70
B01J 13/18 (2006.01) B01J 13/16 (2006.01) B41M 5/165 (2006.01) C09D 11/02 (2006.01)
Patent
CA 2012585
40003-1019A Abstract of the Disclosure A method for preparing printing inks containing microcapsules for application on a forms press is disclosed wherein microcapsules are prepared using the essential printing vehicle as continuous phase in the emulsification, namely a mixture of water and a water-miscible non-aqueous solvent; the microcapsule shells are prepared by interfacial reaction of two wall forming reactants -- one contained in the internal phase, and the other preferably added as a non- aqueous, water soluble solution to further reduce the water content in the final printing ink; the method yields a slurry of microcapsules containing a low concentration of water, which after slight modification by added anti-curl compounds and a low amount of binder, can be directly printed onto a paper web without drying steps.
Schwab Gerhart
Szczepanski Nadine M.
Gowling Lafleur Henderson Llp
The Mead Corporation
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