Synthesis of Starch-Grafted Polymethyl Methacrylate via Free Radical Polymerization Reaction and Its Application for the Uptake of Methylene Blue.

Uzma Yasmeen, Fazal Haq, Mehwish Kiran, Arshad Farid, Naveed Ullah, Tariq Aziz, Muhammad Haroon, Sahid Mehmood, Muhammad Muzammal, Shakira Ghazanfar, Majid Alhomrani, Abdulhakeem S Alamri, Syed Mohammed Basheeruddin Asdaq, Saleh A Alghamdi, Irfan Ullah

Journal: Molecules (Basel, Switzerland) 2022;27(18):5844

PMID: 36144579

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Abstract

In this research, a new biodegradable and eco-friendly adsorbent, starch-grafted polymethyl methacrylate (St-g-PMMA) was synthesized. The St-g-PMMA was synthesized by a free radical polymerization reaction in which methyl methacrylate (MMA) was grafted onto a starch polymer chain. The reaction was performed in water in the presence of a potassium persulfate (KPS) initiator. The structure and different properties of the St-g-PMMA was explored by FT-IR, 1H NMR, TGA, SEM and XRD. After characterization, the St-g-PMMA was used for the removal of MB dye. Different adsorption parameters, such as effect of adsorbent dose, effect of pH, effect of initial concentration of dye solution, effect of contact time and comparative adsorption study were investigated. The St-g-PMMA showed a maximum removal percentage (R%) of 97% towards MB. The other parameters, such as the isothermal and kinetic models, were fitted to the experimental data. The results showed that the Langmuir adsorption and pseudo second order kinetic models were best fitted to experimental data with a regression coefficient of R = 0.93 and 0.99, respectively.

Address: Institute of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, Pakistan.; Department of Horticulture, Faculty of Agriculture, Gomal University, Dera Ismail Khan 29050, Pakistan.; Gomal Center of Biochemistry and Biotechnology, Gomal University, Dera Ismail Khan 29050, Pakistan.; School of Engineering, Westlake University, Hangzhou 310024, China.; Department of Chemistry, University of Turbat, Balochistan 92600, Pakistan.; State Key Laboratory, Zhejiang University, Hangzhou 310027, China.; National Institute of Genomics and Advanced Biotechnology (NIGAB), National Agricultural Research Centre, Park Road, Islamabad 45500, Pakistan.; Department of Clinical Laboratory Sciences, The Faculty of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia.; Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif 21944, Saudi Arabia.; Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Dariyah, Riyadh 13713, Saudi Arabia.; Medical Genetics, Clinical Laboratory Department, College of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia.; Department of Life Sciences, School of Science, University of Management and Technology (UMT), C-II Johar Town, Lahore 54770, Pakistan.

DOI: 10.3390/molecules27185844

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MeSH Terms: Adsorption, Free Radicals, Gentamicins, Hydrogen-Ion Concentration, Kinetics, Methacrylates, Methylene Blue, Methylmethacrylates, Polymerization, Polymethyl Methacrylate, Spectroscopy, Fourier Transform Infrared, Starch, Water, Water Pollutants, Chemical