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Effect of boric acid on the stabilization of poly(acrylonitrile-co-itaconic acid)

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Abstract

The effect of boric acid on the stabilization of poly(acrylonitrile-co-itaconic acid) (P(AN-co-IA)) was studied in detail by differential scanning calorimetry (DSC) incorporating with thermogravimetry (TG) in air and nitrogen. In nitrogen atmosphere the ionic cyclization of the doped P(AN-co-IA) copolymer was badly retarded by boric acid, however, the free radical cyclization was little influenced. In air atmosphere boric acid was found to weaken the first exothermic peak corresponding to dehydrogenation and cyclization reactions, and enhance the second exothermic peak corresponding to the oxidative reactions resulting in a great expansion of the heat evolved. The activation energy of stabilization was calculated with Kissinger method, the results indicated that boric acid seemed to be effective to reduce the activation energy. TG studies showed that boric acid could reduce the weight loss during stabilization, which could be attributed to the crosslinking of polymer chains caused by the reaction between boric acid and the hydroxyl groups.

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Reference

  1. Gupta AK, Paliwal DK, Bajaj P (1991) J Macromol Sci Rev 31(1):1

    Google Scholar 

  2. Devasia R, Reghunadhan Nair CP, Ninan KN (2003) Eur Polym J 39:537

    Article  CAS  Google Scholar 

  3. Devasia R, Reghunadhan Nair CP, Ninan KN (2002) Eur Polym J 38:2003

    Article  CAS  Google Scholar 

  4. Chen J, Wang C, Ge H et al (2007) J Polym Res 14:223

    Article  CAS  Google Scholar 

  5. Watt W, Johnson W (1975) Nature 257:210

    Article  CAS  Google Scholar 

  6. Fitzer E, Muler DJ (1975) Carbon 13:63

    Article  CAS  Google Scholar 

  7. Dunham MG, Edie DD (1992) Carbon 30(3):435

    Article  CAS  Google Scholar 

  8. Dale A, Grove Ø, Abhiraman AS (1992) Carbon 30(3):451

    Article  Google Scholar 

  9. Mitsubishi Rayon Tokyo (1991) JP Patent 3,174,019, 29 July 1991

  10. Grassie N, Mcguchan R (1971) Eur Polym J 7:1503

    Article  CAS  Google Scholar 

  11. Shibukawa T, Sone M, Uchida A et al (1968) J Polym Sci A-1(6):147

    Google Scholar 

  12. Bajaj P, Sreekumar TV, Sen K (2001) J Appl Polym Sci 79:1640

    Article  CAS  Google Scholar 

  13. Bajaj P, Screekumar TV, Sen K (2001) Polymer 42:1707

    Article  CAS  Google Scholar 

  14. Gupta AK, Paliwal DK, Bajaj P (1995) J Appl Polym Sci 58:1161

    Article  CAS  Google Scholar 

  15. Gupta AK Paliwal DK Bajaj P (1996) J Appl Polym Sci 59:1819

    Article  Google Scholar 

  16. Watt W (1970) In: Third Conf Ind Carbon and Graphite, P431

  17. Warner SB, Peebles Jr LH (1979) J Mater Sci 14:556

    CAS  Google Scholar 

  18. Sen K, Bajaj P, Sreekumar TV (2003) J Polym Sci Polym Phys 41:2949

    Article  CAS  Google Scholar 

  19. Kissinger HE (1957) Anal Chem 29(11):1702

    Article  CAS  Google Scholar 

Download references

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Correspondence to Haojing Wang.

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Ouyang, Q., Wang, H., Cheng, L. et al. Effect of boric acid on the stabilization of poly(acrylonitrile-co-itaconic acid). J Polym Res 14, 497–503 (2007). https://doi.org/10.1007/s10965-007-9133-7

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  • DOI: https://doi.org/10.1007/s10965-007-9133-7

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