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No 6 / 8

The influence of wood polymers and extractives on the adsorption of wet-end chemicals and the properties of the sheet (Paperdisco)

Date: 1.1.1996-31.12.1998
Code: 17616
Department: Åbo Akademi University / Faculty of Chemical Engineering (KTF), Laboratory of Paper Chemistry
Address: Porthansgatan 3, FIN-20500 Åbo
Phone +358-2-2154 859
Fax +358-2-2516 757
E-mail veronica.bobacka@abo.fi
Project leader: TkD Dan Eklund, professor (1.6.1996-31.12.1998)
Researchers: TkL Veronica Bobacka (1.1.1996-31.12.1998)
DI Maristiina Nurmi (1.1.1996-31.12.1998)
DI John Näsman (1.1.1996-31.12.1998)
Type of research: 2 (0=Within duty, 1=Ordered research, 2=Co-operation)
- basic research 100 %
Man months: Totally: 137 months
Keywords: massatillverkning, massanvalmistus, adsorption, polyelektrolyter, stärkelse, polyacrylamid, mekanisk massa, anjoniska störsubstanser, adsorption, polyelectrolytes, starch, polyacrylamide, mechanical pulp, anionic trash,

The objective is to clarify the adsorption of cationic starch and polyacrylamide in suspensions containing mechanical pulp as well as to clarify the influence of these wet-end chemicals on the fibre flocculation and sheet properties.

Publication(s)

21.2.1996 / 28.1.1998