Production of paper, cardboard and board having high dry...

Details Production of paper, cardboard and board having high dry... Production of paper, cardboard and board having high dry...

C - Chemistry, Metallurgy

08

F

9/59

C08F 8/00 (2006.01) D21H 17/38 (2006.01)

Patent

CA 1239507

Abstract of the Disclosure: Paper, cardboard and board having high dry strength, wet strength and alkali resist- ance are produced by adding resin solutions, which are obtained by reacting homopolymers and copolymers of vinyl- imidazoles with epichlorohydrin in a ratio of from 0.02 to 2.9 moles of epichlorohydrin per equivalent of basic nitrogen in the polymer, to the paper stock and then draining the latter on a screen to form sheets.

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