Structures and dyeing performances of polyethyleneimine-carbamate linked bamboo viscose fibers dyed with lac

Polyethyleneimine (PEI)-immobilization of bamboo viscose fibers using carbamate linkages (ABF-PEI) was investigated in order to improve the dyeing properties of the fiber. Results from morphological observation, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and thermograv...

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Veröffentlicht in:	Textile research journal 2020-01, Vol.90 (2), p.179-193
Hauptverfasser:	Sombatdee, Suthisa, Saikrasun, Sunan
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Amines Bamboo Cellulose Cellulose fibers Color Color fastness Corporate reorganization Dipole interactions Dyeing Dyes Electrostatic properties Fibers Fourier analysis Fourier transforms Hydroxyl groups Immobilization Infrared analysis Infrared spectroscopy Photoelectron spectroscopy Photoelectrons Polyethyleneimine Spectrum analysis Thermogravimetric analysis
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Zusammenfassung:	Polyethyleneimine (PEI)-immobilization of bamboo viscose fibers using carbamate linkages (ABF-PEI) was investigated in order to improve the dyeing properties of the fiber. Results from morphological observation, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and thermogravimetric analysis clearly showed the successful carbamate binding of PEI at hydroxyl groups of cellulose fiber. The adsorption studies revealed that fast and efficient adsorption was achieved for ABF-PEI. Under optimum dyeing conditions, the amount of dye adsorbed on ABF-PEI at equilibrium (>100 mg/g) was much higher than that of the unmodified fiber (
ISSN:	0040-5175 1746-7748
DOI:	10.1177/0040517519862888