Radiation crosslinked polyvinyl alcohol/polyvinyl pyrrolidone/acrylic acid hydrogels: swelling, crosslinking and dye adsorption study

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Saifur Rahaman M.D.; Marzuk Hasnine Shah M.d.; Ahmed Tanvir; Sultana Salma; Abdul Quaiyum Bhuiyan M.D.; Serajum Manir M.D.; Ullah Nayeb; Sen Sapan Kumar; Nazmul Hossain M.D.; Sahadat Hossain M.D.; Dafader Nirmal Chandra

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Journal: Iranian Polymer Journal Year:2021 | Volume:30 | Issue:10 Page(s): 1101-1116

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Title

Radiation crosslinked polyvinyl alcohol/polyvinyl pyrrolidone/acrylic acid hydrogels: swelling, crosslinking and dye adsorption study

Author(s)

Keywords

Hydrogel

-Radiation

Swelling mechanism

Methylene blue

Kinetics

Thermodynamics

Abstract

Hydrogels were produced from mixtures of polyvinyl alcohol (PVA), polyvinyl pyrrolidone (PVP), and acrylic acid (AAc) using γ,-Radiation at doses of 3, 7, and 10 kGy and the effect of the variation in concentration of AAc within 0%–, 3% (w/v) on the gelation, swelling, crosslinking, thermal properties, crystallinity, mechanical properties, and surface morphology of the Hydrogels were characterized and their adsorptive removal properties for Methylene blue (MB) was investigated. The swelling trend was pH-dependent which was dictated by the dominance of two competing factors namely, crosslink density and hydrophilicity. Although thermal analysis showed that the presence of AAc decreased the thermal stability of the Hydrogels, SEM images exhibited gradual morphological changes establishing the role of AAc as a crosslinker, and thus increasing the elastic moduli, toughness, and crystallinity of the Hydrogels. However, correlation between the characterization results revealed that, in spite of AAc occupying some of the crosslinking sites within PVA–, PVP networks, at low concentration (1% w/v), it could not polymerize enough to contribute to the crosslinks. FTIR spectral analysis revealed a possible gelation mechanism along with the points of interaction among the gel-components. MB adsorption capacity of the Hydrogels reached a maximum of 117 mg/g following pseudo-second-order Kinetics through film diffusion mechanism while the adsorption isotherm resembled most with that of Langmuir.

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APA: Copy

Saifur Rahaman, M.D., Marzuk Hasnine, Shah M.d., Ahmed, Tanvir, Sultana, Salma, Abdul Quaiyum Bhuiyan, M.D., Serajum Manir, M.D., Ullah, Nayeb, Sen, Sapan Kumar, Nazmul Hossain, M.D., Sahadat Hossain, M.D., & Dafader, Nirmal Chandra. (2021). Radiation crosslinked polyvinyl alcohol/polyvinyl pyrrolidone/acrylic acid hydrogels: swelling, crosslinking and dye adsorption study. IRANIAN POLYMER JOURNAL (ENGLISH), 30(10), 1101-1116. SID. https://sid.ir/paper/1040862/en

Vancouver: Copy

Saifur Rahaman M.D., Marzuk Hasnine Shah M.d., Ahmed Tanvir, Sultana Salma, Abdul Quaiyum Bhuiyan M.D., Serajum Manir M.D., Ullah Nayeb, Sen Sapan Kumar, Nazmul Hossain M.D., Sahadat Hossain M.D., Dafader Nirmal Chandra. Radiation crosslinked polyvinyl alcohol/polyvinyl pyrrolidone/acrylic acid hydrogels: swelling, crosslinking and dye adsorption study. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2021;30(10):1101-1116. Available from: https://sid.ir/paper/1040862/en

IEEE: Copy

M.D. Saifur Rahaman, Shah M.d. Marzuk Hasnine, Tanvir Ahmed, Salma Sultana, M.D. Abdul Quaiyum Bhuiyan, M.D. Serajum Manir, Nayeb Ullah, Sapan Kumar Sen, M.D. Nazmul Hossain, M.D. Sahadat Hossain, and Nirmal Chandra Dafader, “Radiation crosslinked polyvinyl alcohol/polyvinyl pyrrolidone/acrylic acid hydrogels: swelling, crosslinking and dye adsorption study,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 30, no. 10, pp. 1101–1116, 2021, [Online]. Available: https://sid.ir/paper/1040862/en

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