Studying physico-mechanical properties of maleic acid grafted chitosan with metal as slow release fertilizers

  • Authors

    • Elsayed Negim Wolverhampton University
    • Lyazzat Bekbayeva
    • Laura Jumabayeva
    • Azhar Bakyt
    • Aigul Imandossova
    • Assel Zhanybekova
    • Shynar Yegizbayeva
    • Zhanerke Karimzhanova
    • Datkhayev Ubaidilla
    • Misni Surif
  • Grafting, Chitosan, Maleic Acid, Potassium Persulfate, Metal Ions.
  • Chitosan (CS) was successfully grafted with maleic acid (MA) in 1% acetic acid solution by using potassium persulfate (KPS) as the initiator. The grafting yield (GY) up to 84.25 % and grafting efficiency (GE) of 64.82 % were achieved. The formation of grafted chitosan was confirmed with usual spectroscopic methods and thermal analysis. The raw grafted chitosan was mixed with Na+, Mg2+ and Ca2+ in aqueous hydroxide solution and K+ in aqueous chromate solution. The reaction mixtures were separated from excess unreacted maleic acid and characterized as a reacted grafted chitosan. The results showed a new form of maleic grafted chitosan after the reaction with metals. Also, grafted of CS with MA provide a promising set of materials for potential slow release fertilizer applications.

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  • How to Cite

    Negim, E., Bekbayeva, L., Jumabayeva, L., Bakyt, A., Imandossova, A., Zhanybekova, A., Yegizbayeva, S., Karimzhanova, Z., Ubaidilla, D., & Surif, M. (2015). Studying physico-mechanical properties of maleic acid grafted chitosan with metal as slow release fertilizers. International Journal of Basic and Applied Sciences, 4(1), 89-94.