Orbital - Vol. 12 No. 4 - October-December 2020
FULL PAPERS

Effect of Nonionic Surfactants on the Crystallinity and Thermal Stability of Poly(vinyl alcohol) Film

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  • Diana M. da Costa,
  • Vanessa R. R. Cunha,
  • Gustavo F. Perotti,
  • Ruan R. Henriques,
  • Jorge Amim Jr.,
  • Ana L. Shiguihara
Diana M. da Costa
UFRJ-Campus Macaé
Vanessa R. R. Cunha
Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso - Campus Juína
Gustavo F. Perotti
Universidade Federal do Amazonas-Campus Itacoatiara-ICET
Ruan R. Henriques
UFRJ-Campus Macaé
Jorge Amim Jr.
UFRJ-Campus Macaé
Ana L. Shiguihara
UFRJ-Campus Macaé
Published December 31, 2020
Keywords
  • crystallinity,
  • PVA,
  • Tweens
How to Cite
(1)
da Costa, D. M.; Cunha, V. R. R.; Perotti, G. F.; Henriques, R. R.; Amim Jr., J.; Shiguihara, A. L. Effect of Nonionic Surfactants on the Crystallinity and Thermal Stability of Poly(vinyl Alcohol) Film. Orbital: Electron. J. Chem. 2020, 12, 213-219.

Copyright (c) 2020 Orbital: The Electronic Journal of Chemistry

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Abstract

In this study, poly(vinyl alcohol) (PVA)/surfactant films were prepared by casting technique. Two nonionic surfactants with different alkyl chain lenghts (Tween 20 and Tween 40) were used. PVA/Tween 20 and PVA/Tween 40 films were characterized by means of Fourier Transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). FTIR spectra of PVA/Tween films indicated the presence of hydrogen bond interactions between the Tween surfactants and PVA. XRD results showed that the incorporation of Tween 20 and 40 into the PVA film decreased the crystallinity of PVA.TGA curves revealed an increase in the thermal stability of PVA film in the presence of the surfactants.

DOI: http://dx.doi.org/10.17807/orbital.v12i4.1514

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