Hyperbranched polyamides of 3,5-diaminobenzoic acid

A. Ryczek; M. Walczak; H. Galina

doi:10.14314/polimery.2014.682

Published : 2014-09-30

Vol. 59 No. 9 (2014)

Hyperbranched polyamides of 3,5-diaminobenzoic acid

A. Ryczek M. Walczak H. Galina

DOI: https://doi.org/10.14314/polimery.2014.682

Abstract

Low-temperature polycondensation of 3,5-diaminobenzoic acid (DABA) was carried out with the aid of N,N-diisopropylcarbodiimide (DIC) as carboxyl group activators. Reaction conditions were selected to obtain oligomeric hyperbranched polyamides. The polycondensation was found to proceed according to the simple model of hyperbranched polymerization with the apparent rate constant of reaction between carboxyl and amino groups equal to 8.58 · 10-3 min-1.

Keywords

low-temperature polycondensation ; non-linear polyamides ; hyperbranched oligomers niskotemperaturowa polikondensacja ; poliamidy rozgałęzione ; oligomery hiperrozgałęzione

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Ryczek, A., Walczak, M., & Galina, H. (2014). Hyperbranched polyamides of 3,5-diaminobenzoic acid. Polimery, 59(9), 682—686. https://doi.org/10.14314/polimery.2014.682

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A. Ryczek polimery@ichp.pl

Affiliation
Rzeszów University of Technology, Faculty of Chemistry, Department of Industrial and Materials Chemistry, Al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland

M. Walczak

Affiliation
Rzeszów University of Technology, Faculty of Chemistry, Department of Industrial and Materials Chemistry, Al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland

H. Galina

Affiliation
Rzeszów University of Technology, Faculty of Chemistry, Department of Industrial and Materials Chemistry, Al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland