Method for introducing carbonyl groups into polymers containing double carbon-carbon linkages
22The invention discloses a method for selectively introducing carbonyl groups into polymers by oxygenation of double C═C bonds of polymers with the aid of nitrous oxide (NO) at a temperature comprised between 50 and 350° C. and a pressure of NO of from 0.01 to 100 atmospheres.The introduction of an...
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| creator | Dubkov, Constantin Alexandrovich Semikolenov, Sergey Vladimirovich Zakharov, Vladimir Alexandrovich Parmon, Valentin Nikolaevich Echevskaya, Ludmila Gennadyevna Starokon, Evgeny Vladimirovich Panov, Gennady Ivanovich |
| description | 22The invention discloses a method for selectively introducing carbonyl groups into polymers by oxygenation of double C═C bonds of polymers with the aid of nitrous oxide (NO) at a temperature comprised between 50 and 350° C. and a pressure of NO of from 0.01 to 100 atmospheres.The introduction of an insignificant amount of C═O groups allows one to modify the physico-chemical properties of a polymer, with its molecular weight and molecular-weight distribution preserved. Deeper oxygenation results in controlled cleavage of polymer macromolecules and makes it possible to produce oxygen-containing oligomers having a desired molecular weight. |
| format | Patent |
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| title | Method for introducing carbonyl groups into polymers containing double carbon-carbon linkages |
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