Characterization of Copolymer Based in Polyurethane and Polyaniline (PU/PANI)

Authors

  • Norma Aurea Rangel-Vázquez Instituto Tecnológico de Querétaro
  • René Salgado-Delgado Instituto Tecnológico de Zacatepec
  • Edgar García-Hernández Instituto Tecnológico de Zacatepec
  • Ana María Mendoza-Martínez Instituto Tecnológico de Ciudad Madero

DOI:

https://doi.org/10.29356/jmcs.v53i4.979

Keywords:

Polyurethane, Polyaniline, IPN, FTIR, DMA, SEM

Abstract

The present work describes the synthesis and characterization of polyurethane (PU), polyaniline (PANI) and three IPNs (90/10, 80/20, 70/30) ratios were characterized by Fourier transformed infrared (FTIR) to analyze the generated functional groups of the synthesis. The combination PU/PANI was accomplished through the interconnection of the two polymers via condensation of PU prepolymer terminal NCO groups and the amine groups of PANI. DMA studies indicated that the PU had higher glass transition
temperatures (Tg) with the increase of PANI. SEM micrographics were obtained to 1000X of the PU, PANI and the ratios 90/10, 80/20 and 70/30 of PU/PANI. A morphological interpretation was proposed in which PANI chains formed a phase dispersed in a PU matrix, linked together by an interphase, that could be responsible
for the connectivity between the two polymers and determine excellent mechanical properties.

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Author Biographies

Norma Aurea Rangel-Vázquez, Instituto Tecnológico de Querétaro

Departamento de Metalmecánica

René Salgado-Delgado, Instituto Tecnológico de Zacatepec

División de Estudios de Posgrado e Investigación

Edgar García-Hernández, Instituto Tecnológico de Zacatepec

División de Estudios de Posgrado e Investigación

Ana María Mendoza-Martínez, Instituto Tecnológico de Ciudad Madero

División de Estudios de Posgrado e Investigación

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Published

2019-06-19

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Regular Articles