Cellulose Fibers for High-Performance Textiles Functionalized with Incorporated
Gold and Silver Nanoparticles
Posted on 2019-12-20 - 18:37
The versatility of cellulose-based textile products was
tailored
by the incorporation of Au, Ag, and AgAu nanoparticles into dry-jet
wet-spun man-made cellulose fibers. Bleached birch prehydrolyzed kraft
pulp served as a reducing agent for chloroauric acid (HAuCl4) and silver nitrate (AgNO3) to yield noble metal nanoparticles
via a green, in situ reduction approach. The coated, colored pulp
was then dissolved in 1,5-diazabicyclo[4.3.0]non-5-ene actetate, a
superbase-based ionic liquid, and spun to staple fibers with breaking
tenacities (49.7 cN/tex) and elongations (13.4%) comparable to those
of commercial lyocell-type fibers. Neither the spinnability of the
cellulose solutions nor the tensile properties of the regenerated
fibers were affected by the presence of the nanoparticles. The resulting
fibers were further spun to yarns with excellent wash fastness and
processed to fabrics with promising UV blocking properties (UPF =
26.8–49.6).
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Haslinger, Simone; Ye, Yuhang; Rissanen, Marja; Hummel, Michael; Sixta, Herbert (2019). Cellulose Fibers for High-Performance Textiles Functionalized with Incorporated
Gold and Silver Nanoparticles. ACS Publications. Collection. https://doi.org/10.1021/acssuschemeng.9b06385
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AUTHORS (5)
SH
Simone Haslinger
YY
Yuhang Ye
MR
Marja Rissanen
MH
Michael Hummel
HS
Herbert Sixta
KEYWORDS
lyocell-type fibersstaple fiberscellulose solutionsreduction approachCellulose Fiberswash fastnesssilver nitrateAgAu nanoparticlescellulose-based textile productsUPFBleached birch prehydrolyzed kraft pulpmetal nanoparticlesIncorporated GoldUVHAuCl 4chloroauric acidcellulose fibersHigh-Performance Textiles FunctionalizedSilver Nanoparticlesregenerated fibersAgNO 3dry-jet wet-spun