Method for improving the printability of web offset paper

Details Method for improving the printability of web offset paper Method for improving the printability of web offset paper

D - Textiles, Paper

21

H

D21H 25/06 (2006.01) D21F 5/02 (2006.01) D21G 1/00 (2006.01)

Patent

CA 2080559

Web offset printing paper having a high level of gloss and smoothness is prepared by finishing a paper web, either by supercalender or with a synthetic roll calender at a moisture content greater than the moisture content typical- ly used for web offset finishing, and then drying the web to a moisture content of less than about 3.5% using convection, radiation or conduction. Under the preferred post-drying conditions, bonding of the previously wet paper fibers takes place to lock in the desirable printing characteristics and to prevent heat roughening on the offset press.

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