Preparation and properties of propylene oxide fluorotelomers

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Дәйексөз келтіру

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Аннотация

Telomeres are formed under the action of gamma rays from a 60Co source at room temperature in solutions of tetrafluoroethylene in propylene oxide with concentrations of 0.08–4.2 mol/L; telomer chain length depends on the monomer content in the solution. Monomer consumption during irradiation was controlled calorimetrically and gravimetrically; its complete conversion is observed at irradiation doses of 10–15 kGy. Molecular-mass characteristics of radiolysis products were determined by thermogravimetry. The telomeres with chain length less than 6 form true solutions. At the degree of monomer polymerization 6–15 colloidal solutions are formed, at more than 15 – dense gels. In the structure of propylene oxide fluorotelomer, the end functional epoxy group is retained. The morphology of the coating layers was investigated by atomic force microscopy.

Авторлар туралы

I. Kim

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS

Хат алмасуға жауапты Автор.
Email: ipkim@icp.ac.ru
Ресей, Chernogolovka

A. Shestakov

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS

Email: ipkim@icp.ac.ru
Ресей, Chernogolovka

Yu. Shulga

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS

Email: ipkim@icp.ac.ru
Ресей, Chernogolovka

V. Gak

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS

Email: ipkim@icp.ac.ru
Ресей, Chernogolovka

S. Allayarov

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS

Email: ipkim@icp.ac.ru
Ресей, Chernogolovka

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