PROCESS OF OBTAINING FLUOROPOLYMER WITH NITRILE TERMINAL GROUPS Russian patent published in 2009 - IPC C08F14/18 C08F8/30 C08L27/12 C08J3/24 C08F214/26 C08L27/18 

Abstract RU 2346008 C2

FIELD: chemistry.

SUBSTANCE: description is given of a method of obtaining a fluoropolymer, containing nitrile terminal groups. The method involves free radical polymerisation of one or more fluorinated monomers in the presence of a salt, containing a nitrile group, or a pseudo-halogen compound, containing a nitrile group. Description is also given of a method of obtaining a fluoro-elastomer composition, a method of obtaining fluoro-elastomer and a solid fluoro-elastomer, containing nitrile groups at both ends, with formula: NCX-(Rf)-XCN, where X=O or S, and Rf is a bivalent fluoro-elastomer chain.

EFFECT: design of an efficient method of obtaining a fluoro-elastomer, containing nitrile terminal groups.

11 cl, 6 ex

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RU 2 346 008 C2

Authors

Grutaert Verner M. A.

Khinttser Klaus

Lochkhaas Kaj Kh.

Ler Gernot

Marts Frants

Dates

2009-02-10Published

2003-11-14Filed