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Properties and Flocculation Efficiency of Cationized Biopolymers and Their Applicability in Papermaking and in Conditioning of Pulp and Paper Sludge

• Lauri Kuutti, Sanna Haavisto, +5 authors Hanna Kyllönen
• 2011

Safe biodegradable “green” alternatives with minimal environmental and health risks have received widespread research interest. Thirty different kinds of bio-based flocculants (modified starches,… (More)

Simulation studies on oxy-CFB boiler dynamics and control

• Jari Lappalainen, Hannu Mikkonen, Mikko Jegoroff, Andres Sanchez-Biezma, Antti Tourunen
• 2013

Oxyfuel combustion process, together with the supplementing process units needed for continuous carbon capturing in power production, is an interesting and challenging topic from process control and… (More)

Aqueous starch acetate dispersion as a novel coating material for controlled release products.

• Maarit Tarvainen, Soili H Peltonen, +5 authors Riitta Sutinen
• Journal of controlled release : official journal…
• 2004

The aim of this study was to evaluate film-formation properties of a novel, organic solvent-free aqueous dispersion of potato starch acetate (SA; degree of substitution 2.8) and its ability to… (More)

Enhanced film-forming properties for ethyl cellulose and starch acetate using n-alkenyl succinic anhydrides as novel plasticizers.

• Maarit Tarvainen, Riitta Sutinen, +5 authors Petteri Paronen
• European journal of pharmaceutical sciences…
• 2003

PURPOSE The aim of this study was to investigate the ability of n-alkenyl succinic anhydrides (n-ASAs) to improve the film-forming characteristics of a novel coating polymer, potato starch acetate… (More)

Controlled grafting of acetylated starch by atom transfer radical polymerization of MMA

• Leena Nurmi, Susanna Holappa, Hannu Mikkonen, Jukka V. Seppälä
• 2007

Graft copolymers of acetylated starch oligomer (AS) and poly(methyl methacrylate) (PMMA) were polymerized by atom transfer radical polymerization (ATRP). AS was converted to an ATRP macroinitiator by… (More)

Aqueous Dispersions from Biodegradable/Renewable Polymers

• Mika Vähä-Nissi, Christiane Laine, Riku A Talja, Hannu Mikkonen, Sari Hyvärinen, Ali Harlin
• 2010

Interest in sustainable materials is opening up possibilities for biopolymers. Decreasing environmental strain is the concept of today, and the trend to replace oil-based products with biopolymers is… (More)

Synthesis and characterization of copolyanhydrides of carbohydrate-based galactaric acid and adipic acid.

• Tuomas Mehtiö, Leena Nurmi, Virpi Rämö, Hannu Mikkonen, Ali Harlin
• Carbohydrate research
• 2015

A series of copolyanhydrides, consisting of 2,3,4,5-tetra-O-acetylgalactaric acid (AGA) and adipic acid (AA) as monomer units, was polymerized. Synthesis of AGA monomer consisted of two steps. First,… (More)

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