(PERFLUORO-2-TRICHLOROMETHYLISOPROPYL)ACRYLATE AND POLYMER BASED THEREON Russian patent published in 2016 - IPC C07C69/653 C08F120/18 C08F120/24 

Abstract RU 2603141 C1

FIELD: chemistry.

SUBSTANCE: invention relates to fluorine-containing acrylic acid esters, in particular to a novel monomer - (perfluoro-2-trichloromethylisopropyl)acrylate, and polymer made therefrom - (perfluoro-2-trichloromethylisopropyl)acrylate, which can be most effectively used for making light-conducting strands and coatings of optical waveguides. Monomer (I) is obtained from hexafluoroacetone and acryloyl chloride. Reaction of hexafluoroacetone with sodium trichloroacetate in dimethyl formamide produces 1,1,1-trichloro-3,3,3-trifluoro-2-(trifluoromethyl)propan-2-ol, acylation of which in presence of triethylamine in a medium of acetonitrile yields desired perfluoro-2-trichloromethylisopropylacrylate with output of 75 %, wherein purity of produced monomer is 99.9 %.

EFFECT: polymer is obtained through radical polymerisation of said monomer in presence of a polymerisation initiator.

5 cl, 1 dwg, 1 tbl

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RU 2 603 141 C1

Authors

Igumnov Sergej Mikhajlovich

Tjutjunov Andrej Aleksandrovich

Sinko Aleksandr Vladimirovich

Melnik Olga Aleksandrovna

Sokolov Viktor Ivanovich

Dates

2016-11-20Published

2015-12-30Filed