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Phosphorous-containing nadicimide resins: synthesis and characterization

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Abstract

A series of phosphorous-containing nadicimide end-capped resins, having different backbone, were prepared by reacting endo-5-norbornene- 2,3-dicarboxylic anhydride (nadic anhydride), pyromellitic dianhydride (PMDA)/3,3′,4,4′-benzophenone tetracarboxylic acid dianhydride (BTDA) andtris [3-azo(4-aminophenyl)] phosphine oxide (TAZP) in dimethyl acetamide. Yields were essentially quantitative. Structural characterization of resins was done by elemental analysis, IR and1H-NMR. Thermal behaviour of the resins was investigated by differential scanning calorimetry and thermogravimetric analysis, which revealed good high temperature performance. Isothermal ageing studies done at 340°C for various time periods showed good thermo-oxidative stability.

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Authors and Affiliations

  1. Defence Materials and Stores Research and Development Establishment, G.T. Road, DMSRDE P.O., 208 013, Kanpur, India

    Sarfaraz Alam, V G Jayakumari, Amar Singh, L D Kandpal & I K Varma

  2. Centre for Polymer Science and Engineering, Indian Institute of Technology, 110 016, New Delhi, India

    I K Varma

Authors
  1. Sarfaraz Alam
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  2. V G Jayakumari
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  3. Amar Singh
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  4. L D Kandpal
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  5. I K Varma
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Alam, S., Jayakumari, V.G., Singh, A. et al. Phosphorous-containing nadicimide resins: synthesis and characterization. Bull Mater Sci 20, 239–245 (1997). https://doi.org/10.1007/BF02744894

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  • DOI: https://doi.org/10.1007/BF02744894

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