An Alternative Approach to the Synthesis of Poly(naphthoylenebenzimidazole)s |
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| Authors: | N. M. Belomoina E. G. Bulycheva R. S. Begunov M. I. Buzin I. S. Chashchin |
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| Affiliation: | 1.Nesmeyanov Institute of Organoelement Compounds,Russian Academy of Sciences,Moscow,Russia;2.Demidov Yaroslavl State University,Yaroslavl,Russia |
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| Abstract: | An alternative approach to the synthesis of poly(naphthoylenebenzimidazole)s in supercritical carbon dioxide has been accomplished without use of hazardous chemical solvents, which resulted in preparation of high-purity polymers by a more efficient contemporary method. A series of poly(naphthoylenebenzimidazole) s has been obtained at 90°C and 15 MPa for 8 h with the use of a mixture of benzoic acid and benzimidazole as a catalyst. Certain properties of the synthesized polymers have been studied. |
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