Rapidly cross-linking fluoropolymer

Details Rapidly cross-linking fluoropolymer Rapidly cross-linking fluoropolymer

C - Chemistry, Metallurgy

08

F

C08F 214/22 (2006.01) C08F 214/26 (2006.01) C08F 214/28 (2006.01) C08L 27/18 (2006.01) C09D 127/18 (2006.01)

Patent

CA 2375331

The invention relates to a rapidly cross-linking liquid fluoropolymer that contains as the essential components tetrafluoroethylene and at least one compound from the group consisting of diiodomethane, 1,2-diiodo-1,1- difluoroethane, 1-iodo-2-bromo-1,1-difluoroethane, 1-bromo-2-iodo-1,1- difluoroethane and/or 1,2-dibromo-1,1-difluoroethane that has certain fractions of the final group of the formula -CH2-X with X = Br and/or iodine, and iodine/bromine contents in the range of from 0.05 to 1 wt.- %. and that has a defined molecular weight and viscosity. The invention further relates to a method for producing said fluoropolymer and to its use.

La présente invention concerne un polymère fluoré liquide à réticulation rapide dont les composants essentiels sont le tétrafluoroéthylène et au moins un composé du groupe diiodométhane, 1,2-diiodo-1,1-difluoroéthane, 1-iodo-2-bromo-1,1-difluoroéthane, 1-bromo-2-iodo-1,1-difluoroéthane et/ou 1,2-dibromo-1,1-difluoroéthane. Ledit polymère présente certaines fractions constituées par le groupe terminal de formule -CH¿2?-X, où X = Br et/ou iode, et une teneur en iode/brome comprise dans la plage 0,05 - 1 % en poids, ainsi qu'un poids moléculaire et une viscosité définis. L'invention concerne également un procédé de production de ce polymère et l'utilisation de celui-ci.

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