Preparation of soluble functional polymers by modification of nanosized polyacetylene

The reaction of electrophilic reagents such as halogens, nitric and sulfuric acids, and sulfur dioxide with nanosized stereoregular polyacetylene was studied. Polymers with chlorine content as much as 65% were obtained and the MW properties of the polymers were found to depend on the structure of pr...

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Bibliographic Details
Published in:European polymer journal 2009-04, Vol.45 (4), p.1038-1045
Main Authors: Matnishyan, H.А., Akhnazaryan, T.L., Voskanyan, P.S., Korshak, Yu.V.
Format: Article
Language:English
Subjects:
Chlorine (bromine, nitro) containing polymers
Nanosized form
Stereoregular polyacetylene
Structural analysis
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Summary:The reaction of electrophilic reagents such as halogens, nitric and sulfuric acids, and sulfur dioxide with nanosized stereoregular polyacetylene was studied. Polymers with chlorine content as much as 65% were obtained and the MW properties of the polymers were found to depend on the structure of pristine polyacetylene prepared under various conditions. The reaction between nitric acid and stereoregular polyacetylene occurred to give first [ CH(NO 2) CH CH CH(OH) ] n while the totally nitrated product [ CH(NO 2) CH(ONO 2) ] n was obtained with nitrogen content of 18.3% after complete nitration. GPC, NMR- and IR-spectroscopy were used for structural and MWD analysis of the original polyacetylene and obtained products. The mechanism of the reaction between electrophilic reagents and polyacetylene is discussed on the basis of the experimental and literature data.
ISSN:0014-3057
1873-1945
DOI:10.1016/j.eurpolymj.2008.12.023