FORMATION OF MACRORADICALS IN COPOLYMERS CONTAINING FLUORINE AND OXYGEN

被引:0
作者
ZHDANOVA, AV [1 ]
LOGINOVA, NN [1 ]
KOCHKINA, LG [1 ]
SHAVARIN, YY [1 ]
ZHDANOV, GS [1 ]
MILINCHUK, VK [1 ]
机构
[1] PLASTPOLIMER SCI PROD ASSOC,ST PETERSBURG,RUSSIA
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中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Radiation-chemical processes of the formation of macroradicals in copolymers containing fluorine and oxygen and in a tetrafluoroethylene-hexafluoropropylene copolymer were studied using EPR and optical spectroscopy. Absorption spectra of terminal and middle macromolecules (lambda(max) congruent-to 215 and 245 nm, respectively), were identified. The macroradicals were formed mainly as a result of cleavage of the main chain and during cleavage of the C-O bond with abstraction of oxygen-containing groups.
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页码:371 / 374
页数:4
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