RADIATION SYNTHESIS OF POLY VINYLPYRROLIDONE AND POLYACRYLAMIDE HYDROGELS AS SOIL CONDITIONER.

El-Wahab, H. Abd and Ghobashy, Mohamed, M. and Nady, Norhan and Naser, A. M. and Abdelhai, Farag (2018) RADIATION SYNTHESIS OF POLY VINYLPYRROLIDONE AND POLYACRYLAMIDE HYDROGELS AS SOIL CONDITIONER. Al-Azhar Bulletin of Science, 29 (2). pp. 1-7. ISSN 1110-2535

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Abstract

The important to synthesize a lower toxicity hydrogel with high biocompatibility to use in agricultural field. In this regard, the polymerization reaction of Poly vinylpyrrolidone and Poly acrylamide (PVP/PAAm) hydrogel has been obtained after exposed the copolymer and monomer mixture to dose of 30 kGy. The equilibrium swollen of the obtained hydrogel was 25 (g/g) after 60 min., has an advantage to use as soil conditioner. The hydrogels samples have been prepared in weight ratios 25:75, 50:50 and 75:25 (wt:wt). The crosslink density combining this with measurements of the swelling degree was depend on the copolymer concentration of two polymers. The morphology and the chemical structure of the PVP/PAAm hydrogels was characterized using Scanning electron microscope (SEM), Fourier transform infrared spectroscopy technique (FTIR), and X-ray diffraction (XRD). The PVP/PAAm hydrogels with ratio (75/25) were selected to evaluate the effectiveness on water holding capacity (WHC) in heavy metals and alkaline soil pH >9 for plating sunflower (Helianthus annuus).

Item Type: Article
Subjects: Souths Book > Medical Science
Depositing User: Unnamed user with email support@southsbook.com
Date Deposited: 17 May 2024 11:07
Last Modified: 17 May 2024 11:07
URI: http://research.europeanlibrarypress.com/id/eprint/1437

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