High-Performance Acetylated Ioncell-F Fibers with Low Degree of Substitution

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High-Performance Acetylated Ioncell-F Fibers with Low Degree of Substitution. / Asaadi, Shirin; Kakko, Tia; King, Alistair W.T.; Kilpeläinen, Ilkka; Hummel, Michael; Sixta, Herbert.

julkaisussa: ACS Sustainable Chemistry and Engineering, Vuosikerta 6, Nro 7, 02.07.2018, s. 9418-9426.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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Asaadi, Shirin ; Kakko, Tia ; King, Alistair W.T. ; Kilpeläinen, Ilkka ; Hummel, Michael ; Sixta, Herbert. / High-Performance Acetylated Ioncell-F Fibers with Low Degree of Substitution. Julkaisussa: ACS Sustainable Chemistry and Engineering. 2018 ; Vuosikerta 6, Nro 7. Sivut 9418-9426.

Bibtex - Lataa

@article{ef0013a3adee401da4d8794e4fdddc3e,
title = "High-Performance Acetylated Ioncell-F Fibers with Low Degree of Substitution",
abstract = "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 acetate ([DBNH][OAc]). This ionic liquid has also been identified as an excellent cellulose solvent for dry-jet wet fiber spinning. Cellulose was dissolved in [DBNH][OAc] and esterified in situ to be immediately spun into modified cellulose filaments with a degree of substitution (DS) value of 0.05-0.75. The structural properties of the resulting fibers, which are characterized by particularly high tensile strength values (525-750 MPa conditioned and 315-615 MPa wet) and elastic moduli between 10-26 GPa, were investigated by birefringence measurements, wide-angle X-ray scattering, and molar mass distribution techniques while their unique interactions with water have been studied through dynamic vapor sorption. Thus, an understanding of the novel process is gained, and the advantages are demonstrated for producing high-value products such as textiles, biocomposites, filters, and membranes.",
keywords = "Cellulose, Cellulose acetate, Dry-jet wet spinning, Esterification, Ioncell-F, Man-made cellulosic fibers",
author = "Shirin Asaadi and Tia Kakko and King, {Alistair W.T.} and Ilkka Kilpel{\"a}inen and Michael Hummel and Herbert Sixta",
year = "2018",
month = "7",
day = "2",
doi = "10.1021/acssuschemeng.8b01768",
language = "English",
volume = "6",
pages = "9418--9426",
journal = "ACS Sustainable Chemistry and Engineering",
issn = "2168-0485",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "7",

}

RIS - Lataa

TY - JOUR

T1 - High-Performance Acetylated Ioncell-F Fibers with Low Degree of Substitution

AU - Asaadi, Shirin

AU - Kakko, Tia

AU - King, Alistair W.T.

AU - Kilpeläinen, Ilkka

AU - Hummel, Michael

AU - Sixta, Herbert

PY - 2018/7/2

Y1 - 2018/7/2

N2 - 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 acetate ([DBNH][OAc]). This ionic liquid has also been identified as an excellent cellulose solvent for dry-jet wet fiber spinning. Cellulose was dissolved in [DBNH][OAc] and esterified in situ to be immediately spun into modified cellulose filaments with a degree of substitution (DS) value of 0.05-0.75. The structural properties of the resulting fibers, which are characterized by particularly high tensile strength values (525-750 MPa conditioned and 315-615 MPa wet) and elastic moduli between 10-26 GPa, were investigated by birefringence measurements, wide-angle X-ray scattering, and molar mass distribution techniques while their unique interactions with water have been studied through dynamic vapor sorption. Thus, an understanding of the novel process is gained, and the advantages are demonstrated for producing high-value products such as textiles, biocomposites, filters, and membranes.

AB - 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 acetate ([DBNH][OAc]). This ionic liquid has also been identified as an excellent cellulose solvent for dry-jet wet fiber spinning. Cellulose was dissolved in [DBNH][OAc] and esterified in situ to be immediately spun into modified cellulose filaments with a degree of substitution (DS) value of 0.05-0.75. The structural properties of the resulting fibers, which are characterized by particularly high tensile strength values (525-750 MPa conditioned and 315-615 MPa wet) and elastic moduli between 10-26 GPa, were investigated by birefringence measurements, wide-angle X-ray scattering, and molar mass distribution techniques while their unique interactions with water have been studied through dynamic vapor sorption. Thus, an understanding of the novel process is gained, and the advantages are demonstrated for producing high-value products such as textiles, biocomposites, filters, and membranes.

KW - Cellulose

KW - Cellulose acetate

KW - Dry-jet wet spinning

KW - Esterification

KW - Ioncell-F

KW - Man-made cellulosic fibers

UR - http://www.scopus.com/inward/record.url?scp=85047973280&partnerID=8YFLogxK

U2 - 10.1021/acssuschemeng.8b01768

DO - 10.1021/acssuschemeng.8b01768

M3 - Article

VL - 6

SP - 9418

EP - 9426

JO - ACS Sustainable Chemistry and Engineering

JF - ACS Sustainable Chemistry and Engineering

SN - 2168-0485

IS - 7

ER -

ID: 29745858