FIELD: chemistry.
SUBSTANCE: described are amorphous perfluoridated (co)polymers of perfluorodioxols of formula (IA): 
where R'F is equal RF or ORF, where RF represents linear or branched perfluoroalkyl radical, which has 1-5 carbon atoms, preferably R'F=OCF3; X1 and X2 are identical or different, represent F, CF3; where content of perfluorodioxol is ≥95% in moles, having the following combination of properties: Tg , measured in compliance with method ASTM 3418 (DSC), from 180°C to195°C, preferably from 190°C to 192°C; characteristic viscosity, measured with temperature 30°C in perfluorheptane (Galden® D80) in compliance with method ASTM D 2857-87, from 13 cm3/g to 100 cm3/g.
EFFECT: polymers have increased efficiency.
20 cl, 11 ex, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| AMORPHOUS PERFLUORATED POLYMERS | 2004 |
|
RU2339656C2 |
| PERFLUORO-ELASTOMERS | 2005 |
|
RU2378294C2 |
| FLUOROELASTOMERS | 2005 |
|
RU2383555C2 |
| PERFLUORODIOXOLS, METHOD OF PREPARING THEREOF (VARIANTS), PERFLUORODIOXOLE HOMOPOLYMERS AND COPOLYMERS, THERMALLY PROCESSIBLE TETRAFLUOROETHYLENE COPOLYMERS | 1994 |
|
RU2139866C1 |
| PERFLUOROELASTOMER VULCANIZED BY PEROXIDE METHOD, PERFLUOROELASTOMER-CONTAINING MIXTURE AND INDUSTRIAL ARTICLE | 2002 |
|
RU2296774C2 |
| FLUOROVINYL ETHERS AND POLYMERS PREPARED THEREFROM | 2001 |
|
RU2269506C2 |
| POROUS HYDROPHILIC MEMBRANE AND METHOD FOR PRODUCTION THEREOF | 2002 |
|
RU2277436C2 |
| POROUS HYDROPHILIC DIAPHRAGM AND THE METHOD OF ITS PRODUCTION | 2002 |
|
RU2279306C2 |
| METHOD OF SIMPLE PERFLUOROPOLYESTER PRODUCING | 1989 |
|
RU2111952C1 |
| METHOD OF PRODUCING FLUOROPOLYMERS | 2009 |
|
RU2497836C2 |
