磁性黄原酸化壳聚糖合成及表征

doi:10.19964/j.issn.1006-4990.2022-0598

Abstract

Abstract:

The core-shell magnetic xanthogenated chitosan for heavy metal catcher（FSiCS） was synthesized by using chitosan，carbon disulfide and Fe₃O₄ as raw materials and glutaraldehyde as cross-linking agent through ultrasonic assisted synthesis.The removal rate of Sb（Ⅲ） in aqueous solution was measured to evaluate the performance of FSiCS.The FSiCS showed the best performance when the amount of CS₂ was 3.0 mL，concentration of NaOH was 90 g/L，reaction time was 60 min+60 min，ultrasonic power was 160 W，amount of glutaraldehyde was 150 μL，reaction temperature was 50 ℃.The structure was characterized by Fourier transform infrared spectroscopy（FTIR），scanning electron microscopy（SEM）.FTIR showed that FSiCS contained sulfur groups or chemical bonds such as —SH，N—C=S，C=S and C—S，which could coordinate with Sb（Ⅲ）.SEM showed that FSiCS had a particle size between 100~250 nm，and the particles were spherical or polygonal with clear edges and corners.

Key words: magnetism, heavy metal catcher, chitosan, coagulation, metal antimony

CLC Number:

O636.1

ZHANG Peng, DONG Shanshan, WANG Yulu, ZHAO Yuelong. Synthesis and characterization of magnetic xanthogenated chitosan[J]. Inorganic Chemicals Industry, 2023, 55(7): 89-96.

Figures/Tables 9

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Synthesis and characterization of magnetic xanthogenated chitosan

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