Method for improving the printability of web offset paper

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 typically used for web offset finishing, and then drying the web to a moisture...

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Bibliographic Details
Main Authors HUIJING; PAUL A, JOHNSON; ERIC D, ORTMAN; BRYAN J, CASON; DAVID B, PETRO; S. CRAIG
Format Patent
LanguageEnglish
Published 20.06.1995
Edition6
Subjects
ACCESSORIES FOR PAPER-MAKING MACHINES
CALENDERS
PAPER-MAKING
PRODUCTION OF CELLULOSE
TEXTILES
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Summary: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 typically 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.
Bibliography:Application Number: US19920953254