申请人:SOLVAY SPECIALTY POLYMERS IT
公开号:WO2012160135A1
公开(公告)日:2012-11-29
The invention pertains to certain hydro-fluorocompounds of the following formula (I): RfO-RH-O-(CH2)m-[CF(X)]n-COOXa wherein: - Xa is H, a monovalent metal (preferably an alkaline metal) or an ammonium group of formula -N(R'n)4, wherein each of R'n, equal to or different from each other, independently represents a hydrogen atom or a C1-6 hydrocarbon group (preferably an alkyl group); - Rf is a C1-C6 (per)fluoroalkyl optionally comprising one or more catenary oxygen atoms, preferably Rf is a group of formula R'f-CH2-, wherein R'f is a C1-C5 perfluorinated group, possibly comprising one or more ethereal oxygens, preferably a C1-C3 perfluorinated group, possibly comprising one or more ethereal oxygens; - RH is a fluorine-free hydrocarbon group optionally comprising one or more catenary oxygen atoms; - X is F or CF3, preferably X is F; - m is 0 or 1; - n is 1 to 3, to a process for the manufacture of said hydro-fluorocompounds, to a method of making fluoropolymers in the presence of said hydro-fluorocompounds, and to fluoropolymer dispersions comprising said hydro-fluorocompound.
本发明涉及以下式(I)的某些氢氟化合物:RfO-RH-O-(CH2)m-[CF(X)]n-COOXa,其中:- Xa是H,一价金属(优选是碱金属)或具有以下式的铵基 -N(R'n)4,其中每个R'n,与彼此相等或不同,独立地表示氢原子或C1-6烃基(优选为烷基); - Rf是C1-C6(全)氟烷基,可选地包括一个或多个链上氧原子,优选地,Rf是以下式的基团R'f-CH2-,其中R'f是C1-C5全氟基团,可能包括一个或多个乙氧基氧原子,优选为C1-C3全氟基团,可能包括一个或多个乙氧基氧原子; - RH是无氟碳氢基团,可选地包括一个或多个链上氧原子; - X是F或CF3,优选为F; - m为0或1; - n为1至3,本发明还涉及制备所述氢氟化合物的方法,在所述氢氟化合物的存在下制备氟聚合物的方法,以及包含所述氢氟化合物的氟聚合物分散液。