p-Xylylenediamine and Its New Polyimides

Authors

  • Bulat A. Zhubanov Institute of Chemical Sciences, 106 Walikhanov Street, 480100, Almaty, Kazakhstan
  • Valentina D. Kravtsova Institute of Chemical Sciences, 106 Walikhanov Street, 480100, Almaty, Kazakhstan
  • Kair A. Zhubanov Scientific Institute of New Chemical Technologies and Materials 95a Karasay Batyr, 480012 Almaty, Kazakhstan
  • Tleutay S. Abildin Institute of Chemical Sciences, 106 Walikhanov St., 480100 Almaty, Kazakhstan 2 Scientific Institute of New Chemical Technologies and Materials 95a Karasay Batyr, 480012 Almaty, Kazakhstan
  • Nagima B. Bizhanova Scientific Institute of New Chemical Technologies and Materials 95a Karasay Batyr, 480012 Almaty, Kazakhstan

DOI:

https://doi.org/10.18321/ectj333

Abstract

p-Xylylenediamine was synthesized with high yield through a hydrogenization of dinitrile of terephthalic acid. The effect of catalyst and solvent on the yield of the product was studied. The hydrogenization was carried out on skeletal catalysts based on alloy of Reney nickel Ni:Al (1:1) in aliphatic alcohols (C1-C4) at 4.0 MPa and 60 °C. New alkanearomatic polyimides were synthesized by one-step polycondensation of p-xylylenediamine and dianhydride of tricyclodecentetracarboxylic acid in the presence of isonicotinic acid as a catalyst in nonpolar amide solvents at 110-120 °C. The films based on the synthesized polyalkanimides are stable with 70-80 MPa breaking strength and 30-40% elongation. The glass transition temperature of the polymers is within 265-280 °C temperature range, the temperature of decomposition is above 340 °C. The tangent of dielectic loss of the films at 1 kHz and 25 °C is 0.002-0.004, the dielectric permitivity is about 3.22-3.35.

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Published

2004-03-25

How to Cite

Zhubanov, B. A., Kravtsova, V. D., Zhubanov, K. A., Abildin, T. S., & Bizhanova, N. B. (2004). p-Xylylenediamine and Its New Polyimides. Eurasian Chemico-Technological Journal, 6(1), 45–50. https://doi.org/10.18321/ectj333

Issue

Vol. 6 No. 1 (2004)

Section

Articles

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