2016
DOI: 10.1007/s10570-016-0989-8
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Understanding key wet spinning parameters in an ionic liquid spun regenerated cellulosic fibre

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Cited by 23 publications
(11 citation statements)
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“…33 As shown in Figures 2e,f and S3b, the surface and cross-sectional SEM images of the fiber confirm the above result. 34,35 Although there are relatively obvious grooves on the surface of the dry-wet spinning fibers (Figure 2f), which may be caused by the loss of exchange moisture during the drying process, 4,10,36 the denser structure of the macrofibers would be beneficial to the improvement of the mechanical properties. Table S1 lists the tensile mechanical properties of BC macrofibers for different BC concentrations (2, 4, 6 wt %) and different dissolution times (8, 10, 12, 14, 16 h) of BC.…”
Section: Resultsmentioning
confidence: 99%
“…33 As shown in Figures 2e,f and S3b, the surface and cross-sectional SEM images of the fiber confirm the above result. 34,35 Although there are relatively obvious grooves on the surface of the dry-wet spinning fibers (Figure 2f), which may be caused by the loss of exchange moisture during the drying process, 4,10,36 the denser structure of the macrofibers would be beneficial to the improvement of the mechanical properties. Table S1 lists the tensile mechanical properties of BC macrofibers for different BC concentrations (2, 4, 6 wt %) and different dissolution times (8, 10, 12, 14, 16 h) of BC.…”
Section: Resultsmentioning
confidence: 99%
“…40 wt%), 2 cellulose is the world's most abundant bio-renewable resource. It is a strong candidate for targeted upgrading towards textile fibres, [12][13][14][15][16][17][18] biofuels, [19][20][21][22][23] (nano)composites [24][25][26][27][28] or hydrogels, 29,30 not only because of its high natural abundance but also because of its well-defined structure of repeating glucopyranose residues, linked via β-1,4-glycosidic bonds. The β-configuration at the anomeric carbon gives rise to an extended linear geometry (differentiating cellulose from starch, with α-1,4 configuration and helical structure).…”
Section: Cellulose Structure and Bondingmentioning
confidence: 99%
“…When a volatile organic solvent is used, solvent evaporation occurs at this stage. Conversely with (non-volatile) IL or OES solvents, 13,14,18,120,121 the solution is discharged into a collection bath (e.g. water 14 or EtOH 122 ), causing precipitation of the polymer fibres.…”
Section: Fibre Electrospinningmentioning
confidence: 99%
“…The addition of aprotic solvents, such as DMSO (dimethyl sulfoxide), can accelerate the dissolution of cellulose in IL by preswelling the cellulose, facilitating the penetration of the IL into the cellulose fiber. Furthermore, the viscosity of the solution can be substantially reduced. , The direct dissolution of cellulosic material in IL enables the shaping of the celluloses into fibers . The production of regenerated fibers from cellulose-IL dopes has been reported using both wet and dry-jet wet spinning with a wide range of cellulosic materials and ILs, among which the most successful process is the Ioncell process. This technology demonstrated the viability of the IL to process not only dissolving grade pulps but also recycled cotton textiles. Spinning with binary solvent (with low DMSO concentration) has also been reported. , The presence of the DMSO reduces the high viscosity of the spinning dope, thus, enhancing the processability of the spinning dope.…”
Section: Introductionmentioning
confidence: 99%