Process for treatment of paper surfaces

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

162135, 427361, 427395, B31F 122, B05D 302, B05D 512

Patent

active

048571261

ABSTRACT:
In the making of coated paper products an improved process is disclosed for separating wet, semi-dry or dried coated paper from an application unit or a drying roll. The process comprises the steps of providing a paper web with a release composition in the form of an aqueous layer or film including the reaction product of alkanolamine and a fatty acid in equimolar proportions, providing an agent to maintain the pH factor to predetermined level and adding preselected amounts of a viscosity-regulating substance and water. The release composition may be applied directly to a drying roll or drum or to fluting rolls use for corrugated paperboard.

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patent: 4240860 (1980-12-01), Pole et al.
patent: 4370389 (1983-01-01), Ogura et al.
Kirk-Othmer, Encyclopedia of Chemical Tech. (1978 ed.), vol. 1, pp. 947-948; vol. 8, pp. 911, 914; vol. 21, pp. 177.

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