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A rational modification route to an amphiprotic cotton fiber as adsorbent for dyes

A rational modification route to an amphiprotic cotton fiber as adsorbent for dyes Abstract Two different modification routes (route 1 and route 2) were attempted to synthesize the amphiprotic cotton fiber (AP-cotton) as dyes adsorbent. Specifically, both the cationic monomer (3-chloro-2-hydroxypropyl trimethyl ammonium chloride, CTA) and anionic monomer (2-acrylamide-2-methyl propane sulfonic acid, AMPS) were introduced into the cotton fibers in a different order and the resulting AP-cottons (CTA/AMPS-cotton and AMPS/CTA-cotton) were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), and field emission scanning electron microscopy (SEM). The adsorption capacities of two kinds of AP-cottons for dyes were studied. The results indicate that the route 1 is a feasible way to introduce CTA and AMPS into cotton fiber by chemical binding, and the resulting CTA/ AMPS-cotton can adsorb both anionic dye (Congo red, CR) and cationic dye (Methele blue) effectively while the adsorption capacity is around 142.8 mg/g and 88.2 mg/g, respectively. However, the AMPS/CTA-cotton obtained by route 2 can only adsorb about 35.8 mg/g for CR and 43.9 mg/g for MB at most, because the surface of cotton fiber are mainly coated with the AMPS and CTA by physisorption. As a result, the route 1 is believed a better method for synthesis of AP-cotton compared with the route 2. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fibers and Polymers Springer Journals

A rational modification route to an amphiprotic cotton fiber as adsorbent for dyes

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References (30)

Publisher
Springer Journals
Copyright
2015 The Korean Fiber Society and Springer Science+Business Media Dordrecht
ISSN
1229-9197
eISSN
1875-0052
DOI
10.1007/s12221-015-4738-7
Publisher site
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Abstract

Abstract Two different modification routes (route 1 and route 2) were attempted to synthesize the amphiprotic cotton fiber (AP-cotton) as dyes adsorbent. Specifically, both the cationic monomer (3-chloro-2-hydroxypropyl trimethyl ammonium chloride, CTA) and anionic monomer (2-acrylamide-2-methyl propane sulfonic acid, AMPS) were introduced into the cotton fibers in a different order and the resulting AP-cottons (CTA/AMPS-cotton and AMPS/CTA-cotton) were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), and field emission scanning electron microscopy (SEM). The adsorption capacities of two kinds of AP-cottons for dyes were studied. The results indicate that the route 1 is a feasible way to introduce CTA and AMPS into cotton fiber by chemical binding, and the resulting CTA/ AMPS-cotton can adsorb both anionic dye (Congo red, CR) and cationic dye (Methele blue) effectively while the adsorption capacity is around 142.8 mg/g and 88.2 mg/g, respectively. However, the AMPS/CTA-cotton obtained by route 2 can only adsorb about 35.8 mg/g for CR and 43.9 mg/g for MB at most, because the surface of cotton fiber are mainly coated with the AMPS and CTA by physisorption. As a result, the route 1 is believed a better method for synthesis of AP-cotton compared with the route 2.

Journal

Fibers and Polymers – Springer Journals

Published: Jul 1, 2015

Keywords: Polymer Sciences

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