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Synthesis and characterization of epoxy resins based on N,N'-aliphatic dicarboxyl bis(hydrazones)

Amanulla, Syed and Jain, Sampat R (1997) Synthesis and characterization of epoxy resins based on N,N'-aliphatic dicarboxyl bis(hydrazones). In: Journal of Polymer Science Part A: Polymer Chemistry, 35 (14). pp. 2835-2842.

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A new class of epoxy resins having N-N bonds in their structure has been synthesized by reacting N,N'-aliphatic dicarboxyl bis(hydrazones) (the aldehyde/ketone derivatives of malonic, adipic, and sebacic dihydrazides) with epichlorohydrin. The reactivity of the[GRAPHICS] protons as a function of the substituent group and the number of methylene spacer groups present in the hydrazone has been examined. The resins obtained have been characterized by elemental and epoxy equivalent analyses and IR and NMR spectra. All these resins are found to have adequate viscosity and cure easily with amine curatives at elevated temperatures. Relevant properties for their use as binders in propellant formulations, such as thermal stability, heat of combustion, density, temperature dependence of viscosity, and mechanical strength of the composites, have been evaluated. (C) 1997 John Wiley & Sons, Inc.

Item Type: Journal Article
Publication: Journal of Polymer Science Part A: Polymer Chemistry
Publisher: John Wiley and Sons
Additional Information: Copyright of this article belongs to John Wiley and Sons.
Keywords: N,N*-aliphatic dicarboxyl bis(hydrazones);N{N-bonded polymers;epoxy resins;propellant binders
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 24 Jun 2011 04:50
Last Modified: 24 Jun 2011 04:50
URI: http://eprints.iisc.ac.in/id/eprint/38509

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