Zobrazeno 1 - 10 of 36 pro vyhledávání: '"Shirin Asaadi"'
1
The colloidal structure of a cellulose fiber
Autor: Herbert Sixta, Shirin Asaadi, Ulf Olsson, Marta Gubitosi
Publikováno v: Cellulose. 28:2779-2789
Abstract We present a small angle X-ray scattering (SAXS) study of the colloidal structure of regenerated cellulose fibers, air-gap spun from an ionic liquid solution. Based on the data, and a different interpretation of the anisotropic SAXS pattern,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3c9fdf49d5c29d71b643878fe35ef04
https://doi.org/10.1007/s10570-021-03711-2
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2
High-strength cellulose nanofibers produced via swelling pretreatment based on a choline chloride–imidazole deep eutectic solvent
Autor: Kalle Hyypiö, Karoliina Junka, Juho Antti Sirviö, Shirin Asaadi, Henrikki Liimatainen
Publikováno v: Green Chemistry. 22:1763-1775
A deep eutectic solvent (DES) based on choline chloride and imidazole (CCIMI) was investigated for swelling of cellulose fibers prior to mechanical disintegration into cellulose nanofibers (CNFs). The dimensions of the DES treated and washed fibers w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0330f8887dd04436addb216c413aabbc
https://doi.org/10.1039/c9gc04119b
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3
Differences in surface chemistry of regenerated lignocellulose fibers determined by chemically sensitive scanning probe microscopy
Autor: Shirin Asaadi, Tiina Nypelö, Dmitri V. Vezenov, Xiaoji G. Xu, Herbert Sixta, Claudia Gusenbauer, Devon S. Jakob, Johannes Konnerth
Publikováno v: International journal of biological macromolecules. 165
Tuning the composition of regenerated lignocellulosic fibers in the production process enables targeting of specific material properties. In composite materials, such properties could be manipulated by controlled heterogeneous distribution of chemica
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5b34524cf768c334708ade8f970a3cd
https://pubmed.ncbi.nlm.nih.gov/33736273
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4
Structural analysis of Ioncell-F fibres from birch wood
Autor: Michael Hummel, Ulf Olsson, Marta Gubitosi, Herbert Sixta, Patrik Ahvenainen, Shirin Asaadi
Publikováno v: Carbohydrate Polymers. 181:893-901
openaire: EC/H2020/646226/EU//Trash-2-Cash Quite recently, the Ioncell-F process, a novel and promising Lyocell fibre process, has been developed. The ionic liquid 1,5-diazabicyclo[4.3.0]non-5-enium acetate ([DBNH]OAc) utilized in this process, was i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb6f11c1f2ff31f892ea7ef19de26d06
https://doi.org/10.1016/j.carbpol.2017.11.062
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6
Water-induced crystallization and nano-scale spinodal decomposition of cellulose in NMMO and ionic liquid dope
Autor: Shirin Asaadi, Yoshiharu Nishiyama, Patrik Ahvenainen, Herbert Sixta
Publikováno v: Cellulose
Cellulose, Springer Verlag, 2019, 26 (1), pp.281-289. ⟨10.1007/s10570-018-2148-x⟩
We followed the cellulose structure formation induced by water diffusion into Lyocell dopes based on both N-Methylmorpholine N-oxide (NMMO) and 1,5-diazabicyclo[4.3.0]non-5-ene acetate ([DBNH][OAc], by using scanning simultaneous small- and wide-angl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03bee34fef84c32e310ca37b61672d56
https://aaltodoc.aalto.fi/handle/123456789/37730
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8
High-Performance Acetylated Ioncell-F Fibers with Low Degree of Substitution
Autor: Michael Hummel, Alistair W. T. King, Tia Kakko, Herbert Sixta, Ilkka Kilpeläinen, Shirin Asaadi
Publikováno v: Asaadi, S, Kakko, T, King, A W T, Kilpeläinen, I, Hummel, M & Sixta, H 2018, ' High-Performance Acetylated Ioncell-F Fibers with Low Degree of Substitution ', ACS Sustainable Chemistry and Engineering, vol. 6, no. 7, pp. 9418-9426 . https://doi.org/10.1021/acssuschemeng.8b01768
Cellulose acetate is one of the most important cellulose derivatives. Herein we present a method to access cellulose acetate with a low degree of substitution through a homogeneous reaction in the ionic liquid 1,5-diazabicyclo[4.3.0]non-5-enium aceta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e59cc02b407c6962694dec1d63f60583
https://aaltodoc.aalto.fi/handle/123456789/43469
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9
Adhesion properties of regenerated lignocellulosic fibres towards poly(lactic acid) microspheres assessed by colloidal probe technique
Autor: Jérôme, Colson, Torbjörn, Pettersson, Shirin, Asaadi, Herbert, Sixta, Tiina, Nypelö, Andreas, Mautner, Johannes, Konnerth
Publikováno v: Journal of colloid and interface science. 532
In the field of polymer reinforcement, it is important to understand the interactions involved between the polymer matrix and the reinforcing component. This paper is a contribution to the fundamental understanding of the adhesion mechanisms involved
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::7390b69d3028294b73c0c28ea09606da
https://pubmed.ncbi.nlm.nih.gov/30145523
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10
Renewable High-Performance Fibers from the Chemical Recycling of Cotton Waste Utilizing an Ionic Liquid
Autor: Michael Hummel, Anne Michud, Tiina Härkäsalmi, Shirin Asaadi, Yibo Ma, Sanna Hellsten, Herbert Sixta
Publikováno v: CHEMSUSCHEM. 9(22):3250-3258
A new chemical recycling method for waste cotton is presented that allows the production of virgin textile fibers of substantially higher quality than that from the mechanical recycling methods that are used currently. Cotton postconsumer textile was
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eff88307945f776edc3006d3c6290e60
http://juuli.fi/Record/0274756616
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