Author： Allayarov S. Kim I. Konovalikhin S. Dixon D.
Publisher： MAIK Nauka/Interperiodica
ISSN： 0018-1439
Source： High Energy Chemistry, Vol.45, Iss.1, 2011-01, pp. : 29-36
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Abstract
Polymerization of tetrafluoroethylene and methyl methacrylate has been initiated by active sites arising upon γ-radiolysis of perfluorinated organic acids and their derivatives. In the low-temperature radiolysis, two types of active sites are formed. The active sites of the first type (supposedly, -ĊF-COO−), which provide the most efficient polymerization at low temperatures, are accumulated during radiolysis of NaPFNA both at 77 and 300 K. The active sites of the second type, supposedly, of the radical type, are accumulated during radiolysis at 77 K and annealed during heating the sample to room temperature.
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