B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
9/62, 8/93.43
B41M 1/36 (2006.01) B41M 5/00 (2006.01) B41M 5/52 (2006.01) D21H 17/69 (2006.01) D21H 19/40 (2006.01) D21H 19/46 (2006.01)
Patent
CA 1273759
ABSTRACT OF THE DISCLOSURE A method for treating paper or other fibrous materials to improve the holdout characteristics of printing inks, lacquers and coating compositions. The method involves the application of an organophile complex of (a) a water-insoluble hydrated cation-exchangeable film-forming smectitic layered silicate having an ion exchange capacity of at least 50 milliequivalents/100 g and (b) an organic radical derived from an onium compound attached thereto. The organophile complex forms a barrier layer by reaction with the organic solvent contained in the printing ink, lacquer or other coating composition.
502458
Borden Ladner Gervais Llp
Graz Institut Fur Papier-Zellstoff-Und Fasertechnik Der Technische
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