Superabsorbent composites (SACs) based on xanthan gum-g-poly (itaconic acid)/kaolinite

In this present investigation, crosslinked polyitaconic acid (PIA) was grafted onto natural polysaccharides xanthan gum and inorganic clay kaolinite using free radical polymerization in an inert atmosphere using FTIR ammonium persulfate (APS) as an initiator and Tetra (ethylene glycol) diacrylate (T...

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Bibliographic Details
Published in:Polymer bulletin (Berlin, Germany) Germany), 2021-11, Vol.78 (11), p.6441-6454
Main Authors: Sharma, Preeti, Dagar, Anju, Sapna, Vyas, Aparna, Sand, Arpit
Format: Article
Language:English
Subjects:
Acids
Ammonium peroxodisulfate
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Complex Fluids and Microfluidics
Crosslinking
Ethylene glycol
Fourier transforms
Free radical polymerization
Free radicals
Inert atmospheres
Infrared spectra
Itaconic acid
Kaolin
Kaolinite
Molecular weight
Organic Chemistry
Original Paper
Permeability
Physical Chemistry
Polymer Sciences
Polymerization
Polymers
Polysaccharides
Soft and Granular Matter
Viscosity
Xanthan
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Summary:In this present investigation, crosslinked polyitaconic acid (PIA) was grafted onto natural polysaccharides xanthan gum and inorganic clay kaolinite using free radical polymerization in an inert atmosphere using FTIR ammonium persulfate (APS) as an initiator and Tetra (ethylene glycol) diacrylate (TEGDA) as a crosslinking agent. Scanning electron microscopy and Fourier transform infrared spectra techniques were used to characterized for structure SAPs. The effect of various parameters which include APS, TEGDA, neutralizing degree, kaolinite contents, and xanthan gum was investigated. The results indicate that PIA successfully grafted onto xanthan gum and a 3D structure was formed. The results indicated with an increasing Xanthan gum/kaolin weight ratio, swelling capacity, and gel content.
ISSN:0170-0839
1436-2449
DOI:10.1007/s00289-020-03436-5