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Argyropoulos, D., Crestini, C., Dahlstrand, C., Furusjö, E., Gioia, C., Jedvert, K., . . . Wimby, M. (2023). Kraft Lignin: A Valuable, Sustainable Resource, Opportunities and Challenges.. ChemSusChem, Article ID e202300492.
Åpne denne publikasjonen i ny fane eller vindu >>Kraft Lignin: A Valuable, Sustainable Resource, Opportunities and Challenges.
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2023 (engelsk)Inngår i: ChemSusChem, ISSN 1864-5631, E-ISSN 1864-564X, artikkel-id e202300492Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Kraft lignin, a by-product from the production of pulp, is currently incinerated in the recovery boiler during the chemical recovery cycle, generating valuable bioenergy and recycling inorganic chemicals to the pulping process operation. Removing lignin from the black liquor or its gasification lowers the recovery boiler load enabling increased pulp production. During the past ten years, lignin separation technologies have emerged and the interest of the research community to valorize this underutilized resource has been invigorated. The aim of this review is to give (1) a dedicated overview of the kraft process with a focus on the lignin, (2) an overview of applications that are being developed, and (3) a techno-economic and life cycle asseeements of value chains from black liquor to different products. Overall, it is anticipated that this effort will inspire further work for developing and using kraft lignin as a commodity raw material for new applications undeniably promoting pivotal global sustainability concerns.

Emneord
kraft lignin, lignin, recovery, pulping, biofuels, biomaterials
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-66159 (URN)10.1002/cssc.202300492 (DOI)37493340 (PubMedID)
Merknad

AcknowledgementsIn an alphabetical order, DA, & CC thank the Marie Skłodowska-Curiefoundation for funding via the B-Ligzymes Grant Agreement no: 824017,CCthanks Next Generation EU –Progetto ECS00000043 -Programma  Ecosistema  dell’innovazione  “Interconnected  Nord-Est  Innovation  Ecosystem  (iNEST)”, CUP  H43C22000540006;  This  study  was  carried  out  within  the  Interconnected  Nord-Est  Innovation Ecosystem  (iNEST)  and  received  funding  from  the  European  Union  Next-GenerationEU  (PIANO NAZIONALE DI RIPRESA E RESILIENZA (PNRR) –MISSIONE 4 COMPONENTE 2, INVESTIMENTO 1.5 –D.D. 1058  23/06/2022,  ECS00000043).  This  manuscript  reflects  only  the  authors’  views  and  opinions, neither the European Union nor the European Commission can be considered responsible for them.CH  thanks  the Swedish  Foundation  for  Strategic  Environmental  Research  (Mistra:  project  Mistra STEPS, project number 2014/44);KJ thanks the Swedish Research Council Formas (grant 2022-01943). CP and JSMS thanks the Swedish Foundation for Strategic Environmental Research (Mistra: project Mistra  SafeChem,  project  number  2018/11); ES thanks  Marie  Skłodowska-Curie  foundation  for funding.

Tilgjengelig fra: 2023-09-07 Laget: 2023-09-07 Sist oppdatert: 2023-09-07bibliografisk kontrollert
Bengtsson, J., Bengtsson, A., Ulmefors, H., Sedin, M. & Jedvert, K. (2023). Preventing fiber-fiber adhesion of lignin-cellulose precursors and carbon fibers with spin finish application. Holzforschung
Åpne denne publikasjonen i ny fane eller vindu >>Preventing fiber-fiber adhesion of lignin-cellulose precursors and carbon fibers with spin finish application
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2023 (engelsk)Inngår i: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434XArtikkel i tidsskrift (Fagfellevurdert) Epub ahead of print
Abstract [en]

Adhesion of fibers within a spun tow, including carbon fibers and precursors, is undesirable as it may interrupt the manufacturing process and entail inferior fiber properties. In this work, softwood kraft lignin was used together with a dissolving pulp to spin carbon fiber precursors. Lignin-cellulose precursors have previously been found to be prone to fiber fusion, both post-spinning and during carbon fiber conversion. In this study, the efficiency of applying different kinds of spin finishes, with respect to rendering separable precursors and carbon fibers, has been investigated. It was found that applying a cationic surfactant, and to a similar extent a nonionic surfactant, resulted in well separated lignin-cellulose precursor tows. Furthermore, the fiber separability after carbon fiber conversion was evaluated, and notably, precursors treated with a silicone-based spin finish generated the most well-separated carbon fibers. The underlying mechanism of fiber fusion post-spinning and converted carbon fibers is discussed. 

sted, utgiver, år, opplag, sider
De Gruyter Open Ltd, 2023
Emneord
carbon fiber, lignin, surfactant, Adhesion, Carbon fibers, Cationic surfactants, Cellulose, Cotton, Dyes, Nonionic surfactants, Silicones, Spinning (fibers), Carbon fiber precursors, Cellulose precursors, Dissolving pulp, Fiber properties, Manufacturing process, Post spinnings, Softwood kraft lignins, Spin finishes
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-65676 (URN)10.1515/hf-2023-0023 (DOI)2-s2.0-85163814925 (Scopus ID)
Merknad

Correspondence Address: J. Bengtsson; Fiber Development, Department of Polymer, Fiber and Composites, RISE, Research Institutes of Sweden, Mölndal, Argongatan 30, 431 53, Sweden; Research funding: This work was financed by the ÅForsk Foundation.

Tilgjengelig fra: 2023-08-07 Laget: 2023-08-07 Sist oppdatert: 2023-08-07bibliografisk kontrollert
Liu, J., Bengtsson, J., Yu, S., Burghammer, M. & Jedvert, K. (2023). Variation in the hierarchical structure of lignin-blended cellulose precursor fibers. International Journal of Biological Macromolecules, 225, 1555
Åpne denne publikasjonen i ny fane eller vindu >>Variation in the hierarchical structure of lignin-blended cellulose precursor fibers
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2023 (engelsk)Inngår i: International Journal of Biological Macromolecules, ISSN 0141-8130, E-ISSN 1879-0003, Vol. 225, s. 1555-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Regenerated cellulose fibers have been considered as potential precursor fibers for carbon fibers because of their balanced cost and performance. Increased attention has been paid to blending lignin with the regenerated cellulose to generate precursor fibers which render good mechanical properties and higher carbon yield. The mechanical properties of carbon fibers have been found closely correlated to the structure of precursor fibers. However, the effects of lignin blending on molecular- and morphological structure of the precursor are still unclear. This study aims at clarifying the structural information of lignin–cellulose precursor fibers from molecular level to mesoscale by scanning X-ray microdiffraction. We present the existence of a skin–core morphology for all the precursor fibers. Increase of lignin content in precursor fiber could reduce the portion of skin and cause obvious disorder of the meso- and molecular structure. By correlating structural variations with lignin blending, 30% lignin blending has been found as a potential balance point to obtain precursor fibers maintaining structural order together with high yield rate. 

sted, utgiver, år, opplag, sider
Elsevier B.V., 2023
Emneord
Hierarchical structure, Lignin-cellulose precursor fibers, Scanning X–ray microdiffraction
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-61554 (URN)10.1016/j.ijbiomac.2022.11.211 (DOI)2-s2.0-85143173213 (Scopus ID)
Merknad

 Funding details: Vetenskapsrådet, VR, 2018-06378; Funding text 1: Vinnova is gratefully acknowledged for financial support, grant nr. 2020-00831 . We gratefully thank Dr. Hanna Ulmefors for her productive comments on our paper. S.Y. acknowledge Swedish Research Council (VR) financial support nr. 2018-06378 . This is an ID13 inhouse project.

Tilgjengelig fra: 2022-12-19 Laget: 2022-12-19 Sist oppdatert: 2023-07-03bibliografisk kontrollert
El Seoud, O., Jedvert, K., Kostag, M. & Possidonio, S. (2022). Cellulose, chitin and silk: the cornerstones of green composites. Emergent Materials, 5(3), 785
Åpne denne publikasjonen i ny fane eller vindu >>Cellulose, chitin and silk: the cornerstones of green composites
2022 (engelsk)Inngår i: Emergent Materials, ISSN 2522-5731, Vol. 5, nr 3, s. 785-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This overview article is concerned with fabrication and applications of the composites of three major biopolymers, cellulose (Cel), chitin (Chn)/chitosan (Chs), and silk fibroin (SF). A brief discussion of their molecular structures shows that they carry functional groups (-OH, -NH-COCH3, -NH2, -CONH-) whose hydrogen-bonding, and der Waals interactions lead to semi-crystalline structures in the solid phase. There are several classes of solvents that disrupt these interactions, hence dissolve the above-mentioned biopolymers. These include solutions of inorganic and organic electrolytes in dipolar aprotic solvents (DASs), ionic liquids (ILs), and their solutions in DASs. Mixing of biopolymer solutions leads to efficient mutual interactions, hence formation of relatively homogeneous composites. These are then regenerated in non-solvents (water, ethanol, acetone) in different physical forms, e.g., fibers, nanoparticles and films. We discuss the fabrication of these products that have enormous potential use in the textile industry, in medicine, in the food industry, and decontamination of fluids. These applications will most certainly expand due to the attractive characteristics of these composites (renewability, sustainability, biodegradation) and the increased public concern about the adverse environmental impact of petroleum-based polymers, as recently shown by the presence of microplastics in air, water, land, and food (Akdogan & Guven in Environ Pollut. 254:113011 (2019)).

sted, utgiver, år, opplag, sider
Springer Nature, 2022
Emneord
Biopolymer solvents, Cellulose, Chitin, Chitosan, Composite particles, Fibers, Films, Ionic liquids, Silk fibroin, Tissue engineering, Acetone, Biodegradable polymers, Biodegradation, Biomolecules, Biopolymers, Hydrogen bonds, Organic solvents, Sustainable development, Textile industry, Adverse environmental impacts, Dipolar aprotic solvent, Food industries, Green composites, Ionic liquid (ils), Mutual interaction, Organic electrolyte, Semicrystallines, Environmental impact
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-56939 (URN)10.1007/s42247-021-00308-0 (DOI)2-s2.0-85118645839 (Scopus ID)
Merknad

Funding details: Fundação de Amparo à Pesquisa do Estado de São Paulo, FAPESP, 2014/22136-4, 2016/22869-7, 2017/06394-1; Funding details: Svenska Forskningsrådet Formas, 942-2015-388; Funding details: Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq, 306108/2019-4; Funding text 1: O. A. El Seoud and M. Kostag thank the FAPESP research foundation for financial support, grant numbers 2014/22136-4, 2016/22869-7 and 2017/06394-1. O. A. El Seoud thanks CNPq for research productivity fellowship (grant 306108/2019-4). K. Jedvert thanks the Swedish Research Council Formas, grant number 942-2015-388.

Tilgjengelig fra: 2021-11-22 Laget: 2021-11-22 Sist oppdatert: 2023-01-04bibliografisk kontrollert
Peterson, A., Wallinder, J., Bengtsson, J., Idström, A., Bialik, M., Jedvert, K. & de la Motte, H. (2022). Chemical Recycling of a Textile Blend from Polyester and Viscose, Part I: Process Description, Characterization, and Utilization of the Recycled Cellulose. Sustainability, 14(12), Article ID 7272.
Åpne denne publikasjonen i ny fane eller vindu >>Chemical Recycling of a Textile Blend from Polyester and Viscose, Part I: Process Description, Characterization, and Utilization of the Recycled Cellulose
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2022 (engelsk)Inngår i: Sustainability, E-ISSN 2071-1050, Vol. 14, nr 12, artikkel-id 7272Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Material recycling requires solutions that are technically, as well as economically and ecologically, viable. In this work, the technical feasibility to separate textile blends of viscose and polyester using alkaline hydrolysis is demonstrated. Polyester is depolymerized into the monomer terephthalic acid at high yields, while viscose is recovered in a polymeric form. After the alkaline treatment, the intrinsic viscosity of cellulose is decreased by up to 35%, which means it may not be suitable for conventional fiber-to-fiber recycling; however, it might be attractive in other technologies, such as emerging fiber processes, or as raw material for sugar platforms. Further, we present an upscaled industrial process layout, which is used to pinpoint the areas of the proposed process that require further optimization. The NaOH economy is identified as the key to an economically viable process, and several recommendations are given to decrease the consumption of NaOH. To further enhance the ecological end economic feasibility of the process, an increased hydrolysis rate and integration with a pulp mill are suggested. © 2022 by the authors.

sted, utgiver, år, opplag, sider
MDPI, 2022
Emneord
industrial process layout, polyester, textile blend, textile recycling, viscose, cellulose, feasibility study, hydrolysis, recycling, textile industry
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-59842 (URN)10.3390/su14127272 (DOI)2-s2.0-85132547021 (Scopus ID)
Merknad

Correspondence Address: de la Motte, H.; RISE Research Institutes of Sweden, Argongatan 30, Box 104, Sweden; email: hanna.delamotte@ri.se; Funding details: Södra Skogsägarnas Stiftelse för Forskning, Utveckling och Utbildning, 2019-106; Funding text 1: Funding: This research was funded by Södra Skogsägarnas stiftelse för Forskning, Utveckling och Utbildning, grant number 2019-106.

Tilgjengelig fra: 2022-08-03 Laget: 2022-08-03 Sist oppdatert: 2023-05-25bibliografisk kontrollert
Bengtsson, J., Peterson, A., Idström, A., de la Motte, H. & Jedvert, K. (2022). Chemical Recycling of a Textile Blend from Polyester and Viscose, Part II: Mechanism and Reactivity during Alkaline Hydrolysis of Textile Polyester. Sustainability, 14(11), Article ID 6911.
Åpne denne publikasjonen i ny fane eller vindu >>Chemical Recycling of a Textile Blend from Polyester and Viscose, Part II: Mechanism and Reactivity during Alkaline Hydrolysis of Textile Polyester
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2022 (engelsk)Inngår i: Sustainability, E-ISSN 2071-1050, Vol. 14, nr 11, artikkel-id 6911Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Chemical recycling of textiles holds the potential to yield materials of equal quality and value as products from virgin feedstock. Selective depolymerization of textile polyester (PET) from regenerated cellulose/PET blends, by means of alkaline hydrolysis, renders the monomers of PET while cellulose remains in fiber form. Here, we present the mechanism and reactivity of textile PET during alkaline hydrolysis. Part I of this article series focuses on the cellulose part and a possible industrialization of such a process. The kinetics and reaction mechanism for alkaline hydrolysis of polyester packaging materials or virgin bulk polyester are well described in the scientific literature; however, information on depolymerization of PET from textiles is sparse. We find that the reaction rate of hydrolysis is not affected by disintegrating the fabric to increase its surface area. We ascribe this to the yarn structure, where texturing and a low density assures a high accessibility even without disintegration. The reaction, similar to bulk polyester, is shown to be surface specific and proceeds via endwise peeling. Finally, we show that the reaction product terephthalic acid is pure and obtained in high yields. © 2022 by the authors. 

sted, utgiver, år, opplag, sider
MDPI, 2022
Emneord
alkaline hydrolysis, depolymerization, peeling reaction, polyester, textile recycling, alkalinity, cellulose, hydrolysis, industrialization, reaction kinetics, reaction rate, recycling
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-59843 (URN)10.3390/su14116911 (DOI)2-s2.0-85132447583 (Scopus ID)
Merknad

Correspondence Address: Bengtsson, J.; RISE Research Institutes of Sweden, Argongatan 30, Sweden; email: jenny.bengtsson@ri.se; Correspondence Address: Jedvert, K.; RISE Research Institutes of Sweden, Argongatan 30, Sweden; email: kerstin.jedvert@ri.se; Funding details: Södra Skogsägarnas Stiftelse för Forskning, Utveckling och Utbildning, 2019-106; Funding text 1: Funding: This research was funded by Södra Skogsägarnas Stiftelse för Forskning, Utveckling och Utbildning, grant number 2019-106.

Tilgjengelig fra: 2022-08-02 Laget: 2022-08-02 Sist oppdatert: 2023-05-22bibliografisk kontrollert
Bengtsson, A., Bengtsson, J., Jedvert, K., Kakkonen, M., Tanhuanpää, O., Brännvall, E. & Sedin, M. (2022). Continuous Stabilization and Carbonization of a Lignin-Cellulose Precursor to Carbon Fiber. ACS Omega, 7(19), 16793-16802
Åpne denne publikasjonen i ny fane eller vindu >>Continuous Stabilization and Carbonization of a Lignin-Cellulose Precursor to Carbon Fiber
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2022 (engelsk)Inngår i: ACS Omega, E-ISSN 2470-1343, Vol. 7, nr 19, s. 16793-16802Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The demand for carbon fibers (CFs) based on renewable raw materials as the reinforcing fiber in composites for lightweight applications is growing. Lignin-cellulose precursor fibers (PFs) are a promising alternative, but so far, there is limited knowledge of how to continuously convert these PFs under industrial-like conditions into CFs. Continuous conversion is vital for the industrial production of CFs. In this work, we have compared the continuous conversion of lignin-cellulose PFs (50 wt % softwood kraft lignin and 50 wt % dissolving-grade kraft pulp) with batchwise conversion. The PFs were successfully stabilized and carbonized continuously over a total time of 1.0-1.5 h, comparable to the industrial production of CFs from polyacrylonitrile. CFs derived continuously at 1000 °C with a relative stretch of-10% (fiber contraction) had a conversion yield of 29 wt %, a diameter of 12-15 μm, a Young's modulus of 46-51 GPa, and a tensile strength of 710-920 MPa. In comparison, CFs obtained at 1000 °C via batchwise conversion (12-15 μm diameter) with a relative stretch of 0% and a conversion time of 7 h (due to the low heating and cooling rates) had a higher conversion yield of 34 wt %, a higher Young's modulus (63-67 GPa) but a similar tensile strength (800-920 MPa). This suggests that the Young's modulus can be improved by the optimization of the fiber tension, residence time, and temperature profile during continuous conversion, while a higher tensile strength can be achieved by reducing the fiber diameter as it minimizes the risk of critical defects. © 2022 The Authors. 

sted, utgiver, år, opplag, sider
American Chemical Society, 2022
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-59348 (URN)10.1021/acsomega.2c01806 (DOI)2-s2.0-85130062725 (Scopus ID)
Merknad

Funding details: European Regional Development Fund, ERDF; Funding text 1: The authors wish to express their gratitude to Södra Foundation for Research, Development and Education and Project Lignocity, funded by the European Regional Development Fund, for providing financial support.

Tilgjengelig fra: 2022-06-14 Laget: 2022-06-14 Sist oppdatert: 2023-07-06bibliografisk kontrollert
Svenningsson, L., Bengtsson, J., Jedvert, K., Schlemmer, W., Theliander, H. & Evenäs, L. (2021). Disassociated molecular orientation distributions of a composite cellulose–lignin carbon fiber precursor: A study by rotor synchronized NMR spectroscopy and X-ray scattering. Carbohydrate Polymers, 254, Article ID 117293.
Åpne denne publikasjonen i ny fane eller vindu >>Disassociated molecular orientation distributions of a composite cellulose–lignin carbon fiber precursor: A study by rotor synchronized NMR spectroscopy and X-ray scattering
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2021 (engelsk)Inngår i: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 254, artikkel-id 117293Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Cellulose–lignin composite carbon fibers have shown to be a potential environmentally benign alternative to the traditional polyacrylonitrile precursor. With the associated cost reduction, cellulose–lignin carbon fibers are an attractive light-weight material for, e.g. wind power and automobile manufacturing. The carbon fiber tenacity, tensile modulus and creep resistance is in part determined by the carbon content and the molecular orientation distribution of the precursor. This work disassociates the molecular orientation of different components in cellulose–lignin composite fibers using rotor-synchronized solid-state nuclear magnetic resonance spectroscopy and X-ray scattering. Our results show that lignin is completely disordered, in a mechanically stretched cellulose–lignin composite fiber, while the cellulose is ordered. In contrast, the native spruce wood raw material displays both oriented lignin and cellulose. The current processes for fabricating a cellulose–lignin composite fiber cannot regain the oriented lignin as observed from the native wood. © 2020 The Author(s)

sted, utgiver, år, opplag, sider
Elsevier Ltd, 2021
Emneord
Carbon fibers, Composite, Fiber, Lignin, Molecular orientation distribution, Regenerated cellulose, Rotor synchronized magic-angle spinning, Solid-state NMR, Wood, X-ray scattering, Cellulose, Cost reduction, Creep resistance, Fibers, Graphite fibers, Molecular orientation, Nuclear magnetic resonance spectroscopy, Wind power, X ray scattering, Associated costs, Automobile manufacturing, Carbon fiber precursors, Environmentally benign, Lightweight materials, Orientation distributions, Polyacrylonitrile precursors, Solid state nuclear magnetic resonance spectroscopy
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-51212 (URN)10.1016/j.carbpol.2020.117293 (DOI)2-s2.0-85097064942 (Scopus ID)
Merknad

Funding details: Energimyndigheten; Funding text 1: This work has been carried out within the framework of the Avancell Centre for Fibre Engineering and financially supported by “Södra Skogsägarna Foundation for Research, Development and Education” and “Stiftelsen Nils och Dorthi Troëdssons forskningsfond”. JB, KJ and HT gratefully acknowledge project “LightFibre” financed by Energimyndigheten. The NMR measurements were carried out at the Swedish NMR Centre, Göteborg, Sweden and at the NMR Core Facility at Umeå University, Sweden, with the assistance of Tobias Sparrman. Warm thanks to Petri Henrik Murto for handy camera work. Isabell Sarstedt is greatly acknowledged for the scientific art.

Tilgjengelig fra: 2021-01-07 Laget: 2021-01-07 Sist oppdatert: 2023-05-22bibliografisk kontrollert
Kostag, M., Jedvert, K. & El Seoud, O. (2021). Engineering of sustainable biomaterial composites from cellulose and silk fibroin: Fundamentals and applications. International Journal of Biological Macromolecules, 167, 687-718
Åpne denne publikasjonen i ny fane eller vindu >>Engineering of sustainable biomaterial composites from cellulose and silk fibroin: Fundamentals and applications
2021 (engelsk)Inngår i: International Journal of Biological Macromolecules, ISSN 0141-8130, E-ISSN 1879-0003, Vol. 167, s. 687-718Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This review addresses composites prepared from cellulose (Cel) and silk fibroin (SF) to generate multifunctional, biocompatible, biodegradable materials such as fibers, films and scaffolds for tissue engineering. First, we discuss briefly the molecular structures of Cel and SF. Their structural features explain why certain solvents, e.g., ionic liquids, inorganic electrolyte solutions dissolve both biopolymers. We discuss the mechanisms of Cel dissolution because in many cases they also apply to (much less studied) SF dissolution. Subsequently, we discuss the fabrication and characterization of Cel/SF composite biomaterials. We show how the composition of these materials beneficially affects their mechanical properties, compared to those of the precursor biopolymers. We also show that Cel/SF materials are excellent and versatile candidates for biomedical applications because of the inherent biocompatibility of their components.

sted, utgiver, år, opplag, sider
Elsevier B.V., 2021
Emneord
Cellulose, Composites, Fibers, Ionic liquids, Silk fibroin, Tissue engineering
HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-51928 (URN)10.1016/j.ijbiomac.2020.11.151 (DOI)2-s2.0-85097658850 (Scopus ID)
Merknad

Funding details: Fundação de Amparo à Pesquisa do Estado de São Paulo, FAPESP, 2016/22869-7, 2017/06394-1, 2014/22136-4; Funding details: Svenska Forskningsrådet Formas, 942-2015-388; Funding details: Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq, 306108/2019-4; Funding text 1: This work was supported by FAPESP grant numbers 2014/22136-4 , 2016/22869-7 , 2017/06394-1 , and the Swedish Research Council Formas grant number 942-2015-388 .; Funding text 2: O. A. El Seoud and M. Kostag thank the FAPESP research foundation for financial support, grant numbers 2014/22136-4 , 2016/22869-7 and 2017/06394-1 . O. A. El Seoud thanks CNPq for research productivity fellowship (grant 306108/2019-4 ). K. Jedvert thanks the Swedish Research Council Formas , grant number 942-2015-388 .

Tilgjengelig fra: 2021-01-20 Laget: 2021-01-20 Sist oppdatert: 2021-01-20bibliografisk kontrollert
Jedvert, K., Viklund, L., Alkhagen, M., Köhnke, T. & Theliander, H. (2021). Tailoring the physical characteristics of solution blown cellulosic nonwovens by various post-treatments. Nordic Pulp & Paper Research Journal, 36(4), 682-695
Åpne denne publikasjonen i ny fane eller vindu >>Tailoring the physical characteristics of solution blown cellulosic nonwovens by various post-treatments
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2021 (engelsk)Inngår i: Nordic Pulp & Paper Research Journal, Vol. 36, nr 4, s. 682-695Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Nonwovens are increasing in demand due to their versatility which enables use in a broad range of applications. Most nonwovens are still produced from fossil-based resources and there is thus a need to develop competitive materials from renewable feedstock. In this work, nonwovens are produced from cellulose via a direct solution blowing method. 

HSV kategori
Identifikatorer
urn:nbn:se:ri:diva-55838 (URN)10.1515/npprj-2021-0025 (DOI)2-s2.0-85112271055 (Scopus ID)
Tilgjengelig fra: 2021-08-16 Laget: 2021-08-16 Sist oppdatert: 2023-06-08bibliografisk kontrollert
Organisasjoner
Identifikatorer
ORCID-id: ORCID iD iconorcid.org/0000-0003-2893-8554
v. 2.41.0