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Aromatic polyoxyalkylene amidoamines as curatives for epoxy resins — derivatives from t-butyl isophthalic acid

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Abstract

The condensation products of alkyl-substituted aromatic dicarboxylic acid and polyoxyalkylene polyamines were synthesized and used as epoxy curing agents. The novel amidoamines, prepared from t-butyl isophthalic acid (t-BuIPA) and polyoxyethylene diamines such as Jeffamine(R) EDR-148 and 192, exhibited fast cnring and good flexibility. Comparisons with other amidoamines derived from isophthalic and Dimer acid, and amines including Jeffamine(R) D-230, were made. The functionalities of alkyl and less hindered amines in the amidoamine structures affect the epoxy curing rate and material flexibility.

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Authors and Affiliations

  1. Department of Chemical Engineering, National Chung-Hsin University, Taichung, Taiwan, ROC

    Jiang-Jen Lin, G. P. Speranza & H. G. Waddill

Authors
  1. Jiang-Jen Lin
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  2. G. P. Speranza
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  3. H. G. Waddill
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Retired from Texaco Chemical Co., P. O. Box 15730, Austin, Texas 78761

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Lin, JJ., Speranza, G.P. & Waddill, H.G. Aromatic polyoxyalkylene amidoamines as curatives for epoxy resins — derivatives from t-butyl isophthalic acid. J Polym Res 3, 97–104 (1996). https://doi.org/10.1007/BF01492900

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  • DOI: https://doi.org/10.1007/BF01492900

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