Advanced search    

Search: authors:"Anni Karppinen"

3 papers found.
Use AND, OR, NOT, +word, -word, "long phrase", (parentheses) to fine-tune your search.

Erratum to: Effect of cationic polymethacrylates on the rheology and flocculation of microfibrillated cellulose

The article “Effect of cationic polymethacrylates on the rheology and flocculation of microfibrillated cellulose”, written by Anni Karppinen, Arja-Helena Vesterinen, Tapio Saarinen, Pirjo Pietikäinen

Erratum to: Flocculation of microfibrillated cellulose in shear flow

The article “Flocculation of microfibrillated cellulose in shear flow”, written by Anni Karppinen, Tapio Saarinen, Juha Salmela, Antti Laukkanen, Markus Nuopponen and Jukka Seppälä, was originally

Flocculation of microfibrillated cellulose in shear flow

In this work, the rheological properties of microfibrillated cellulose suspensions under stepped flow and constant shear were studied using a combination of rotational dynamic rheometer and digital imaging. During each rheological measurement, the structure of the suspension was monitored through a transparent outer cylinder with a digital camera. This enabled simultaneous...