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Influence of isomerism of difluorobenzophenone on the synthesis and properties of poly(arylene ether ketones)

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Abstract

The influence of isomerism of difluorobenzophenone on the efficiency of polycondensation and the properties of homo- and copoly(arylene ether ketones) was studied. The latter were prepared by the reaction of 2,4"- and 4,4"-difluorobenzophenone with potassium diphenolates of bisphenol À and phenolphthalein in N,N-dimethylacetamide. A high content of an admixture of the 2,4"-isomer in 4,4"-difluorobenzophenone decreases the molecular weight of related poly(arylene ether ketones) and has no substantial effect on their glass transition temperature.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Organoelement Chemistry, Russian Academy of Sciences, 28 ul. Vavilova, 119991, Moscow, Russian Federation

    S. N. Salazkin, V. V. Shaposhnikova, K. I. Donetskii, G. V. Gorshkov, I. V. Blagodatskikh, L. V. Dubrovina, A. A. Sakunts, P. V. Petrovskii, L. I. Komarova, M. M. Genina, A. S. Tkachenko, A. A. Askadskii, K. A. Bychko & V. V. Kazantseva

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  1. S. N. Salazkin
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  2. V. V. Shaposhnikova
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  3. K. I. Donetskii
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  4. G. V. Gorshkov
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  5. I. V. Blagodatskikh
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  6. L. V. Dubrovina
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  7. A. A. Sakunts
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  8. P. V. Petrovskii
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  9. L. I. Komarova
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  10. M. M. Genina
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  11. A. S. Tkachenko
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  12. A. A. Askadskii
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  13. K. A. Bychko
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  14. V. V. Kazantseva
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Salazkin, S.N., Shaposhnikova, V.V., Donetskii, K.I. et al. Influence of isomerism of difluorobenzophenone on the synthesis and properties of poly(arylene ether ketones). Russian Chemical Bulletin 50, 1208–1213 (2001). https://doi.org/10.1023/A:1014046521021

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  • DOI: https://doi.org/10.1023/A:1014046521021

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