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Thermal stability and degradation of chitosan modified with phenylacetic acid

  • Polymer, Industrial Chemistry, Fluidization, Particle Technology
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Abstract

N-(phenylacetyl) chitosan (NPAC) polymer was synthesized by the reaction of phenylacetic acid with chitosan. The chemical structure of the formed polymer was characterized by IR and microanalysis. Thermogravimetric analysis revealed that the thermal stability of the NPAC polymer was less than that of chitosan. The products of NPAC thermal degradation were identified by the GC-MS technique. The results indicate that the mechanism of degradation of NPAC polymer is characterized by the elimination of low-molecular weight radicals. A combination of these radicals and a random scission mechanism along the backbone chain are the main source of the degradation products.

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Authors and Affiliations

  1. Chemistry Department, Faculty of Science, Damietta University, Damietta, Egypt

    Mostafa Amin Diab, Adel Zaki El-Sonbati & Dina Mohamed Diaa Bader

  2. Chemistry Department, Faculty of Science, Port-Said University, Port-Said, Egypt

    Ibrahim Mohi El-dien

Authors
  1. Mostafa Amin Diab
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  2. Adel Zaki El-Sonbati
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  3. Ibrahim Mohi El-dien
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  4. Dina Mohamed Diaa Bader
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Correspondence to Adel Zaki El-Sonbati.

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Diab, M.A., El-Sonbati, A.Z., El-dien, I.M. et al. Thermal stability and degradation of chitosan modified with phenylacetic acid. Korean J. Chem. Eng. 30, 1966–1971 (2013). https://doi.org/10.1007/s11814-013-0134-4

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  • DOI: https://doi.org/10.1007/s11814-013-0134-4

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