Synthesis, optimization, characterization, and potential agricultural application of polymer hydrogel composites based on cotton microfiber
-
Waham Laftah
and
Shahrir Hashim
Abstract
The optimum content of cotton microfiber, initiator, cross-linker, and sodium hydroxide were determined using the central composite design method. Polymer hydrogels (PHGs) were characterized using Fourier-transform infrared (FT-IR), scanning electron microscopy, and thermal gravimetric analysis. A comparison between plain PHG and the polymer hydrogel composite (PHGC) in terms of biodegradation, swelling rate, and re-swelling capacity was carried out. The effect of PHGC on the sandy soil holding capacity, urea leaching loss rate (ULLR), and okra plant growth were evaluated. The highest water absorption capacity was obtained at 1.30 mass %, 0.15 mass %, 13.00 mass %, and 13.50 mass % of the initiator, cross-linker, sodium hydroxide, and cotton microfiber, respectively. Cotton microfiber has a prominent effect on the swelling rate, re-swelling capacity, and biodegradability of PHG. Okra plant growth and ULLR were positively affected by PHGC and the best leaching loss rate of 33.3 mass % was observed for the lowest urea loaded sample.
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© 2013 Institute of Chemistry, Slovak Academy of Sciences
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Articles in the same Issue
- Rapid determination of fosetyl-aluminium in commercial pesticide formulations by high-performance liquid chromatography
- Immobilisation of acid pectinase on graphene oxide nanosheets
- Bench-scale biosynthesis of isonicotinic acid from 4-cyanopyridine by Pseudomonas putida
- Enzymatic synthesis of a chiral chalcogran intermediate
- Separation of Cd(II) and Ni(II) ions by supported liquid membrane using D2EHPA/M2EHPA as mobile carrier
- Fouling of nanofiltration membranes used for separation of fermented glycerol solutions
- Oxyhumolite influence on adsorption and desorption of phosphate on blast furnace slag in the process of two-stage selective adsorption of Cu(II) and phosphate
- Cellulose-precipitated calcium carbonate composites and their effect on paper properties
- Landfill leachate treatment using the sequencing batch biofilm reactor method integrated with the electro-Fenton process
- Effect of sintering temperature on the magnetic properties and charge density distribution of nano-NiO
- Synthesis, optimization, characterization, and potential agricultural application of polymer hydrogel composites based on cotton microfiber
- Cu(II) removal enhancement from aqueous solutions using ion-imprinted membrane technique
- Synthesis of new eburnamine-type alkaloid via direct hydroalkoxylation
- Selection of surfactants as main components of ecological wetting agent for effective extinguishing of forest and peat-bog fires
- Ultrasonic and Lewis acid ionic liquid catalytic system for Kabachnik-Fields reaction
- A simple method for creating molecularly imprinted polymer-coated bacterial cellulose nanofibers
- Determination of pK a of N-alkyl-N,N-dimethylamine-N-oxides using 1H NMR and 13C NMR spectroscopy
