Preparation and Swelling Properties of Poly(3,4–Thylenedioxythiophene)/Poly(Acrylic Acid)/bentonite Composite Hydrogels

Year 2022, Volume: 7 Issue: 3, 177 - 183, 30.12.2022

Keziban Hüner

https://doi.org/10.30931/jetas.1001134

Abstract

In this study, poly(acrylic acid) (PAA)/bentonite (BNT) composites were synthesized through chemical crosslinking by a chemical polymerization using ammonium persulfate as initiator and N,N’-methylenebisacrylamide as crosslinker. Poly(3,4-ethylenedioxythiophene) (PEDOT) was synthesized by oxidative polymerization and then PEDOT/PAA/BNT composites were prepared by mixing PEDOT at 5%, 10% and 20% by mass into PAA/BNT composite. These hydrogel composites were characterized by FTIR, XRD and SEM. It was observed that water absorbency increased with the increase of PEDOT ratio of hydrogel composites.

Keywords

Hydrogel, poly(3, 4-ethylenedioxythiophene), poly(acrylic acid), bentonite

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