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Thermal behaviour of poly(allyl azide)

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Abstract

The paper describes the synthesis of low molecular mass poly(allyl chloride) (PAC) (M n= 856-3834 g mol-1) using Lewis acid (ALCL3, FeCL3, TiCL4) and al powder. Branching in PAC was indicated on the basis of elemental analysis and 1H-NMR spectroscopy. azidation of pac could be carried out at 100°C by using NaN3 and DMSO as solvent. Curing of poly(allyl azide) (PAA) by cyclic dipolar addition reaction with EGDMA (ethylene glycol dimethacrylate, 5-45 phr) was investigated by differential scanning calorimetry and structure of cured polymer was confirmed by FTIR. A two-step mass loss was exhibited by uncured and cured PAA in nitrogen atmosphere. A mass loss of 20-28% (155-274°C) and 50-61% (330-550°C) was observed.

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Authors and Affiliations

  1. Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, New-Delhi, 110016, India

    B. Gaur, B. Lochab, V. Choudhary & I. K. Varma

Authors
  1. B. Gaur
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  2. B. Lochab
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  3. V. Choudhary
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  4. I. K. Varma
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Correspondence to V. Choudhary.

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Gaur, B., Lochab, B., Choudhary, V. et al. Thermal behaviour of poly(allyl azide). Journal of Thermal Analysis and Calorimetry 71, 467–479 (2003). https://doi.org/10.1023/A:1022843607664

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  • DOI: https://doi.org/10.1023/A:1022843607664

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