Herbert Sixta

Professor Sixta Herbert's research interests include the following:

  • Pulping chemistry and technology with special emphasis on dissolving pulps
  • Cellulose chemistry
  • Chemistry of the fractionation of biomass, in particular lignocellulosic biomass
  • Valorization of cellulose to regenerated cellulose fibers
  • Valorization of cellulose to cellulose derivatives
  • Dry-jet wet spinning of cellulose solutions
  • Valorization of hemicelluloses as furanic compounds
  • Isolation and characterization of lignin. Valorization of lignin to monoaromatic structures, to bio-oil and as co-polymer in composite material with cellulose
  • Cellulose textile chemistry
  • Novel dying technologies for cellulose-based textiles.
  • Novel pathways of functionalization of cellulose-based textiles
  • Chemical and mechanical purification of pulps
  • Oxygen delignification of unbleached pulps
  • TCF- and ECF  bleaching techniques
  • Organosolv fractionation methods with particular emphasis on GVL/water pulping of hardwood
Full researcher profile
https://research.aalto.fi/...

Contact information

Phone number
+358503841764

Honors and awards

European Paper Recycling Award 2015 European Recovered Paper Council, EU

Award or honor granted for a specific work Department of Forest Products Technology Jan 2015

Best Poster Award - Workshop on Cellulose Renegated Fibres University of Karlstad, Sweden

Award or honor granted for a specific work Department of Forest Products Technology Jan 2007

Knight, First Class, of the Order of the White Rose of Finland

Award or honor granted for academic or artistic career Department of Bioproducts and Biosystems Jan 2016

Global Change Award

Award or honor granted for academic or artistic career Department of Bioproducts and Biosystems Feb 2016

Mitscherlich Medaille from Zellcheming, Germany, for merits in dissolving pulp technology

Award or honor granted for academic or artistic career Department of Bioproducts and Biosystems Jan 2006

DIA Design Intelligence Award, China

Ioncell project awarded with DIA Design Intelligence Award (shortlisted among 22 best, 6.-8.5. Grand final), Hangzhou, China http://en.di-award.org, 10 000 euros
Invitation or ranking in competition Department of Design May 2018

Ioncell project selected for Designmuseum Habitare Collection

Award or honor granted for a specific work Department of Design Sep 2019

Publications

A novel X-ray diffraction approach to assess the crystallinity of regenerated cellulose fibers

Luigi Gentile, Herbert Sixta, Cinzia Giannini, Ulf Olsson 2022 IUCrJ

Conversion of bleached soda bagasse paper-grade pulp to dissolving-grade pulp using different hemicelluloses removing post-treatments with emphasis on IONCELL-P process

Kajal Moradian Gilan, Sahab Hedjazi, Huy Quang Lê, Ali Abdolkhani, Sara Ceccherini, Mira Viljanen, Herbert Sixta 2022 Holzforschung

Base-catalysed depolymerization of lignins in supercritical water: Influence of lignin nature and valorisation of pulping and biorefinery by-products

Eduardo Pérez, Nerea Abad-Fernández, Tainise Lourençon, Mikhail Balakshin, Herbert Sixta, María José Cocero 2022 Biomass and Bioenergy

Application-Related Consideration of the Thermal Stability of [mTBDH][OAc] Compared to Amidine-Based Ionic Liquids in the Presence of Various Amounts of Water

Inge Schlapp-Hackl, Joanna Witos, Krishna Ojha, Petri Uusi-Kyyny, Ville Alopaeus, Herbert Sixta 2022 Industrial & Engineering Chemistry Research

High-purity cellulose production from birch wood by γ-valerolactone/water fractionation and IONCELL-P process

Shokoufeh Shokri, Sahab Hedjazi, Huy Quang Lê, Ali Abdulkhani, Herbert Sixta 2022 Carbohydrate Polymers

The fiber-matrix interface in Ioncell cellulose fiber composites and its implications for the mechanical performance

Mindaugas Bulota, Simona Sriubaite, Anne Michud, Kaarlo Nieminen, Mark Hughes, Herbert Sixta, Michael Hummel 2021 Journal of Applied Polymer Science

Exploring digital image correlation technique for the analysis of the tensile properties of all-cellulose composites

Feng Chen, Daisuke Sawada, Christophe Pradille, Michael Hummel, Herbert Sixta, Tatiana Budtova, Jean-Luc Bouvard 2021 Cellulose

Huge potential for electronic textiles made with new cellulose thread

Sozan Darabi, Christian Miiller, Herbert Sixta 2021 Technische Textilien

Improved stabilisation of graphite nanoflake dispersions using hydrothermally-produced nanocellulose

Katarina Dimic-Misic, Jean Buffiere, Monireh Imani, Kaarlo Nieminen, Herbert Sixta, Patrick Gane 2021 Colloids and Surfaces A: Physicochemical and Engineering Aspects

Superbase-based protic ionic liquids for cellulose filament spinning

Sherif Elsayed, Michael Hummel, Daisuke Sawada, Chamseddine Guizani, Marja Rissanen, Herbert Sixta 2021 Cellulose