Research output per year
Research output per year
Personal profile
Artistic and research interests
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
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Semi-continuous, industrial-like production of transparent cellulose films by means of the Lyocell-type Ioncell® process
González Carmona, E., Schlapp-Hackl, I., Nieminen, K., Fang, W., Jääskeläinen, S., Salonen, K., Elmer, H., Westerback, H., Sixta, H. & Hummel, M., 1 Jul 2025, In: RSC Sustainability. 3, 7, p. 3109-3120 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile10 Downloads (Pure) -
The effect of high crystallinity of pulp in the preparation of cellulose acetate film with iodine as a catalyst
Yadollahi, R., Firouzabadi, M. D., Mahdavi, H., Resalati, H., Saraeyan, A. & Sixta, H., Jan 2025, In: Cellulose. 32, p. 763–774Research output: Contribution to journal › Article › Scientific › peer-review
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Evaluating the Hydrothermal Stability of Superbase-Based Ionic Liquids in Cellulose Fiber Spinning
Fang, W., Schlapp-Hackl, I., Hummel, M. & Sixta, H., 15 Oct 2024, In: ACS Omega. 9, 41, p. 42193–42198Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile49 Downloads (Pure) -
From postconsumer cotton towels to new cotton textile fibers
Schlapp-Hackl, I., Rissanen, M., Ojha, K., Sawada, D., Gorniak, K., Onkinen, E., Niinimäki, K. & Sixta, H., 15 Jun 2024, In: Journal of Applied Polymer Science. 141, 23, 10 p., e55460.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile5 Citations (Scopus)67 Downloads (Pure) -
Modification of regenerated cellulose fibres by cork-derived suberin and the cutin fraction from grape skins
Moriam, K., Azevedo, C., Fateixa, S., Bernardo, F., Sixta, H. & Evtuguin, D. V., Dec 2024, In: Carbohydrate Polymer Technologies and Applications. 8, 10 p., 100613.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile2 Citations (Scopus)50 Downloads (Pure)
Projects
- 11 Finished
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-: Sustainable textile systems: Co-creating resource-wise business for Finland in global textile networks
Sixta, H. (Principal investigator), Selinger, M. (Project Member), Fang, W. (Project Member), Mäkelä, M. (Project Member), Westerback, H. (Project Member), Airaksinen, T. (Project Member), Ujhelyi, K. (Project Member), Ojha, K. (Project Member) & Schlapp-Hackl, I. (Project Member)
01/06/2019 → 28/02/2023
Project: Academy of Finland: Strategic research funding
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CERES Mod1 GVL-REC
Sixta, H. (Principal investigator), Le, H. Q. (Project Member) & Granatier, M. (Project Member)
01/05/2018 → 31/08/2022
Project: Academy of Finland: Other research funding
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Select+ / Stora Enso Gomez
Sixta, H. (Principal investigator) & Gómez Millán, G. (Project Member)
27/03/2018 → 26/03/2019
Project: Other external funding: Other domestic funding
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Nano: Water-free, Low-Cost Click Modification and Oxidative Regeneration of (Nano)Celluloses
Sixta, H. (Principal investigator), Schlapp-Hackl, I. (Project Member), Sairanen, E. (Project Member), Moriam, M. K. (Project Member), Johansson, L.-S. (Project Member), Fang, W. (Project Member), Guizani, C. (Project Member) & Witos, J. (Project Member)
01/09/2017 → 31/08/2021
Project: Academy of Finland: Other research funding
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SolvRec: Technical development of Ioncell-F with special emphasis on the solvent recycling
Sixta, H. (Principal investigator), Revitzer, H. (Project Member), Katajainen, L. (Project Member), Hellsten, S. (Project Member), Soili, H. (Project Member), Rissanen, M. (Project Member), Elsayed, S. (Project Member), Ojha, K. (Project Member) & Vinkvist, N. (Project Member)
01/07/2017 → 31/12/2019
Project: Business Finland: Other research funding
Datasets
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CCDC 729611: Experimental Crystal Structure Determination
Hummel, M. (Creator), Laus, G. (Creator), Schwaerzler, A. (Creator), Bentivoglio, G. (Creator), Rubatscher, E. (Creator), Kopacka, H. (Creator), Wurst, K. (Creator), Kahlenberg, V. (Creator), Gelbrich, T. (Creator), Griesser, U. J. (Creator), Roeder, T. (Creator), Weber, H. K. (Creator), Schottenberger, H. (Creator) & Sixta, H. (Creator), Cambridge Crystallographic Data Centre , 1 Jan 2013
DOI: 10.5517/ccsh6v9, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccsh6v9&sid=DataCite
Dataset
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CCDC 729609: Experimental Crystal Structure Determination
Hummel, M. (Creator), Laus, G. (Creator), Schwaerzler, A. (Creator), Bentivoglio, G. (Creator), Rubatscher, E. (Creator), Kopacka, H. (Creator), Wurst, K. (Creator), Kahlenberg, V. (Creator), Gelbrich, T. (Creator), Griesser, U. J. (Creator), Roeder, T. (Creator), Weber, H. K. (Creator), Schottenberger, H. (Creator) & Sixta, H. (Creator), Cambridge Crystallographic Data Centre , 1 Jan 2013
DOI: 10.5517/ccsh6s7, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccsh6s7&sid=DataCite
Dataset
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CCDC 729610: Experimental Crystal Structure Determination
Hummel, M. (Creator), Laus, G. (Creator), Schwaerzler, A. (Creator), Bentivoglio, G. (Creator), Rubatscher, E. (Creator), Kopacka, H. (Creator), Wurst, K. (Creator), Kahlenberg, V. (Creator), Gelbrich, T. (Creator), Griesser, U. J. (Creator), Roeder, T. (Creator), Weber, H. K. (Creator), Schottenberger, H. (Creator) & Sixta, H. (Creator), Cambridge Crystallographic Data Centre , 1 Jan 2013
DOI: 10.5517/ccsh6t8, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccsh6t8&sid=DataCite
Dataset
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CCDC 729612: Experimental Crystal Structure Determination
Hummel, M. (Creator), Laus, G. (Contributor), Schwaerzler, A. (Contributor), Bentivoglio, G. (Contributor), Rubatscher, E. (Contributor), Kopacka, H. (Contributor), Wurst, K. (Contributor), Kahlenberg, V. (Contributor), Gelbrich, T. (Contributor), Griesser, U. J. (Contributor), Roeder, T. (Contributor), Weber, H. K. (Contributor), Schottenberger, H. (Contributor) & Sixta, H. (Creator), Cambridge Crystallographic Data Centre , 1 Jan 2013
DOI: 10.5517/ccsh6wb, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccsh6wb&sid=DataCite
Dataset
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CCDC 873256: Experimental Crystal Structure Determination
Froschauer, C. (Contributor), Kahlenberg, V. (Contributor), Laus, G. (Contributor), Schottenberger, H. (Contributor), Sixta, H. (Creator) & Weber, H. K. (Contributor), Cambridge Crystallographic Data Centre , 1 Jan 2013
DOI: 10.5517/ccy9pkg, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccy9pkg&sid=DataCite
Dataset
Prizes
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Best Poster Award - Workshop on Cellulose Renegated Fibres University of Karlstad, Sweden
Sixta, H. (Recipient), 2007
Prize: Award or honor granted for a specific work
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DIA Design Intelligence Award, China
Kääriäinen, P. (Recipient), Sixta, H. (Supervising professor) & Hellsten, S. (Recipient), 8 May 2018
Prize: Invitation or ranking in competition
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European Paper Recycling Award 2015 European Recovered Paper Council, EU
Sixta, H. (Recipient), 2015
Prize: Award or honor granted for a specific work
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Global Change Award
Sixta, H. (Recipient), 10 Feb 2016
Prize: Award or honor granted for academic or artistic career
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Ioncell project selected for Designmuseum Habitare Collection
Kääriäinen, P. (Recipient), Sixta, H. (Recipient) & Rissanen, M. (Recipient), 11 Sept 2019
Prize: Award or honor granted for a specific work
Activities
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"Novel Cooking & Biorefinery Concept: Alternative to Kraft Cooking." Recovery Boiler Conference (Suomen Soodakattilayhdistys ry) Soodakattilapäivä 2017
Sixta, H. (Invited speaker)
2 Nov 2017Activity: Talk or presentation types › Public talk to non-academic audience (public outreach)
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γ-valerolactone/water Fractionation of Softwood
Elsayed, S. (Contributor), Le, H. (Contributor), Borrega Sabate, M. (Contributor) & Sixta, H. (Contributor)
28 Mar 2017Activity: Talk or presentation types › Conference presentation
File -
Novel high strength cellulose fibers. Invited talk at the Royal Society International Scientific Seminar, Chicheley Hall, Chicheley, Buckinghamshire.
Sixta, H. (Invited speaker)
15 Mar 2017Activity: Talk or presentation types › Invited academic talk
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"Challenges and opportunities of Lyocell fiber processes." Invited talk on the occasion of the 8th Biopolymer colloquium, Golm, at the AIP Fraunhofer Institute
Sixta, H. (Invited speaker)
26 Jan 2017Activity: Talk or presentation types › Invited academic talk
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Bio-aerogels via all-cellulose composite approach
Korhonen, O. (Speaker), Sixta, H. (Contributor) & Budtova, T. (Contributor)
20 Aug 2017 → 24 Aug 2017Activity: Talk or presentation types › Conference presentation
Press/Media
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Researchers at Aalto University Have Reported New Data on Technology [Development of Cellulose Films By Means of the Ioncell® Technology, As an Alternative To Commercial Films]
Nieminen, K., Hummel, M. & Sixta, H.
25/12/2023
1 item of Media coverage
Press/Media: Media appearance
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New Sustainability Research Study Findings Recently Were Reported by Researchers at Aalto University (Upcycling of Keratin Wastes In Sustainable Textile Fiber Applications)
Fang, W., Hummel, M., Aranko, A. S. & Sixta, H.
08/11/2023
1 item of Media coverage
Press/Media: Media appearance
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Aalto University Reports Findings in Chemicals and Chemistry (Optimization of Dry-Jet Wet Spinning of Regenerated Cellulose Fibers Using [mTBDH][OAc] as a Solvent)
Fang, W., Nieminen, K. & Sixta, H.
05/10/2023
1 item of Media coverage
Press/Media: Media appearance
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The theory and practice of multidisciplinarity
Kuosmanen, P., Remes, H., Romanoff, J., Kujala, P. & Sixta, H.
20/04/2023
1 item of Media coverage
Press/Media: Media appearance
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US Patent Issued to Aalto University Foundation sr on Nov. 1 for "Method to convert mechanical pulp derived waste material into value added cellulose products" (Finnish Inventors)
02/11/2022
1 item of Media coverage
Press/Media: Media appearance