Basf Se Corporation

Basf Aktiengesellschaft

Ellen Krueger

Martin Ruebenacker

Norbert Schall

Hans-Joachim Haehnle

Christian Jehn-Rendu

Rainer Blum

Stefan Frenzel

Thomas Muehlenbernd

Martin Wendker

Claus Boettcher

Process for the production of paper, board and cardboard having high dry strength by addition of

Method for increasing the dry strength of paper, paperboard, and cardboard

Process for the production of paper, board and cardboard having high dry strength by addition of at least one water-soluble (a) polymer comprising vinylamine units and at least one (b) polymer comprising ethylenimine units and at least one water-soluble polymeric anionic compound to a paper stock, draining of the paper stock with sheet formation and drying of the paper products, the water-soluble cationic polymers (a) and (b) being metered in any sequence or as a mixture into a paper stock, and papers which are obtainable by this process.

Process for increasing the dry strength of paper, board and cardboard

Wet strength enhancers for paper

Process for the production of paper, board and cardboard having high dry strength by separate addition of a polymer comprising vinylamine units and of ligninsulfonic acid and/or a ligninsulfonate to a paper stock, draining of the paper stock and drying of the paper products.

Method for producing paper, paperboard and cardboard having high dry strength

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Otterstadt, Germany

Ellen Krueger