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Complexation of amidated pectin with poly(itaconic acid) as a polycarboxylic polymer model compound

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2011
Authors
Nešić, Aleksandra R.
Trifunović, Snežana S.
Grujić, Aleksandar S.
Veličković, Sava
Antonović, Dušan G.
Article (Published version)
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Abstract
Complexes based on amidated pectin (AP) and poly(itaconic acid) (PIA) were prepared by casting films from solutions of AP and PIA in different ratios with the pectin amount ranging from 10% to 90% by mass. The complexes were investigated by elemental analysis, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and thermogravimetry (TG). In all investigated ratios of AP/PIA glassy transparent films with a uniform structure were obtained. The results of elemental analysis confirmed the composition of the complexes, and FTIR spectroscopy has shown carboxylic and amide peak shifting, indicating complex formation between AP and PIA. Comparison of thermograms of AP/PIA films with different ratios of AP indicated that the increase of the amount of AP increases the thermal stability of the films by retarding the onset of the main degradation processes.
Keywords:
Pectin / Polymer complex / FTIR / Thermal properties / Poly(itaconic acid)
Source:
Carbohydrate Research, 2011, 346, 15, 2463-2468
Publisher:
  • Elsevier Sci Ltd, Oxford
Projects:
  • Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden (RS-43009)
Note:
  • Supplementary material: http://cherry.chem.bg.ac.rs/handle/123456789/2903

DOI: 10.1016/j.carres.2011.08.021

ISSN: 0008-6215

PubMed: 21943549

WoS: 000296950400022

Scopus: 2-s2.0-80053969205
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URI
http://cherry.chem.bg.ac.rs/handle/123456789/1219
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Hemijski fakultet

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