SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID

Turaev Khayit; Kholnazarov Bakhodir; Djalilov Abdulakhad

doi:10.31838/ecb/2022.11.11.018

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ECB. 2022; 11(11): 152-161

doi: 10.31838/ecb/2022.11.11.018

SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad.

Abstract
The aim of this study is to obtain a biodegradable, inexpensive and highly water- swellable agricultural hydrogel by radical copolymerization of a starch-chitosan (St-g-CTS) hybrid with acrylic acid (AA). When examining the synthesized ((St/СTS)/PAA) based hydrogel using a scanning electron microscope (SEM), it was found that it has pores necessary for absorption and desorption. IR spectroscopy and differential thermogravimetric analyzes of the obtained hydrogels are investigated. The water absorption of the resulting hydrogels in distilled water and saline solutions of various concentrations was determined. Swelling in distilled water was 550 g/g, in saline solutions 60 to 127 g/g (0.9% saline solution). The dependence of the degree of swelling of the synthesized superabsorbent hydrogels on the molar ratio of starch, chitosan and acrylic acid, the amount of initiator and binder, the duration and temperature of the reaction has been determined. The use of synthesized hydrogel in agriculture helps to reduce the consumption of irrigation water, reduces the drying of plants, ensures the retention of fertilizers in the soil around the roots, and increases the growth rate and productivity of plants.

Key words: Starch-chitosan, vinyl monomer, copolymerization, water absorption, acrylic acid grafting.

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Pubmed Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad. SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID. ECB. 2022; 11(11): 152-161. doi:10.31838/ecb/2022.11.11.018

Web Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad. SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID. https://www.eurchembull.com/?mno=132138 [Access: January 21, 2023]. doi:10.31838/ecb/2022.11.11.018

AMA (American Medical Association) Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad. SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID. ECB. 2022; 11(11): 152-161. doi:10.31838/ecb/2022.11.11.018

Vancouver/ICMJE Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad. SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID. ECB. (2022), [cited January 21, 2023]; 11(11): 152-161. doi:10.31838/ecb/2022.11.11.018

Harvard Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad (2022) SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID. ECB, 11 (11), 152-161. doi:10.31838/ecb/2022.11.11.018

Turabian Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad. 2022. SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID. European Chemical Bulletin, 11 (11), 152-161. doi:10.31838/ecb/2022.11.11.018

Chicago Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad. "SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID." European Chemical Bulletin 11 (2022), 152-161. doi:10.31838/ecb/2022.11.11.018

MLA (The Modern Language Association) Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad. "SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID." European Chemical Bulletin 11.11 (2022), 152-161. Print. doi:10.31838/ecb/2022.11.11.018

APA (American Psychological Association) Style

Turaev Khayit, Kholnazarov Bakhodir, Djalilov Abdulakhad (2022) SYNTHESIS OF SUPERABSORBENT HYDROGELS BASED ON STARCH- CHITOSAN HYBRID. European Chemical Bulletin, 11 (11), 152-161. doi:10.31838/ecb/2022.11.11.018

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