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Volume 22
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10.3390/ijms22094325
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Article

Synthesis and Characterization Superabsorbent Polymers Made of Starch, Acrylic Acid, Acrylamide, Poly(Vinyl Alcohol), 2-Hydroxyethyl Methacrylate, 2-Acrylamido-2-methylpropane Sulfonic Acid

by
Elżbieta Czarnecka
1,2,* and
Jacek Nowaczyk
1
1
Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
2
Plastica Sp. z o.o., Frydrychowo 55, 87-410 Kowalewo Pomorskie, Poland
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2021, 22(9), 4325; https://doi.org/10.3390/ijms22094325
Submission received: 8 March 2021 / Revised: 17 April 2021 / Accepted: 19 April 2021 / Published: 21 April 2021
(This article belongs to the Special Issue Frontiers in Biodegradable Polymer: From Design to Applications)
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Abstract

Three polymers with excellent absorption properties were synthesized by graft polymerization: soluble starch-g-poly(acrylic acid-co-2-hydroxyethyl methacrylate), poly(vinyl alcohol)/potato starch-g-poly(acrylic acid-co-acrylamide), poly(vinyl alcohol)/potato starch-g-poly(acrylic acid-co-acrylamide-co-2-acrylamido-2-methylpropane sulfonic acid). Ammonium persulfate and potassium persulfate were used as initiators, while N,N′-methylenebisacrylamide was used as the crosslinking agent. The molecular structure of potato and soluble starch grafted by synthetic polymers was characterized by means of Fourier Transform Infrared Spectroscopy (FTIR). The morphology of the resulting materials was studied using a scanning electron microscope (SEM). Thermal stability was tested by thermogravimetric measurements. The absorption properties of the obtained biopolymers were tested in deionized water, sodium chroma solutions of various concentrations and in buffer solutions of various pH.
Keywords: semi-interpenetrating network hydrogel; biomaterial; superabsorbent polymer; hydrogel; graft copolymerization semi-interpenetrating network hydrogel; biomaterial; superabsorbent polymer; hydrogel; graft copolymerization

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MDPI and ACS Style

Czarnecka, E.; Nowaczyk, J. Synthesis and Characterization Superabsorbent Polymers Made of Starch, Acrylic Acid, Acrylamide, Poly(Vinyl Alcohol), 2-Hydroxyethyl Methacrylate, 2-Acrylamido-2-methylpropane Sulfonic Acid. Int. J. Mol. Sci. 2021, 22, 4325. https://doi.org/10.3390/ijms22094325

AMA Style

Czarnecka E, Nowaczyk J. Synthesis and Characterization Superabsorbent Polymers Made of Starch, Acrylic Acid, Acrylamide, Poly(Vinyl Alcohol), 2-Hydroxyethyl Methacrylate, 2-Acrylamido-2-methylpropane Sulfonic Acid. International Journal of Molecular Sciences. 2021; 22(9):4325. https://doi.org/10.3390/ijms22094325

Chicago/Turabian Style

Czarnecka, Elżbieta, and Jacek Nowaczyk. 2021. "Synthesis and Characterization Superabsorbent Polymers Made of Starch, Acrylic Acid, Acrylamide, Poly(Vinyl Alcohol), 2-Hydroxyethyl Methacrylate, 2-Acrylamido-2-methylpropane Sulfonic Acid" International Journal of Molecular Sciences 22, no. 9: 4325. https://doi.org/10.3390/ijms22094325

APA Style

Czarnecka, E., & Nowaczyk, J. (2021). Synthesis and Characterization Superabsorbent Polymers Made of Starch, Acrylic Acid, Acrylamide, Poly(Vinyl Alcohol), 2-Hydroxyethyl Methacrylate, 2-Acrylamido-2-methylpropane Sulfonic Acid. International Journal of Molecular Sciences, 22(9), 4325. https://doi.org/10.3390/ijms22094325

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