| 摘要 |
Polyether-polyols are produced from alkylene oxides and active hydrogen-containing starter compounds in presence of certain Group (XIII) metal compounds (I) with hydrocarbon groups attached to metal via oxygen, sulfur, selenium, nitrogen or phosphorus, including new compounds which also have two perfluoro-alkyl(or aryl)-sulfonate groups. A process for the production of polyether-polyols from alkylene oxides and starter compounds with active hydrogen atoms is carried out in presence of metal compounds of formula (I): (X)nM(E-R-E'l)m (I) X = halide, alkoxide, aryloxide, thiolate, sulfinate, sulfonate, sulfate, amide, phosphinate, phosphonate, phosphate or carboxylate; M = a Group (XIII) element; E = oxygen, sulfur, selenium, NR<1> or PR<1>; R<1> = H or 1-20C hydrocarbyl, e.g. alkyl or aryl; R = a 1-30C hydrocarbylene bridge, e.g. alkylene, arylene or aralkylene, or R plus R<1> may form a ring; E' = H, 1-10C hydrocarbyl such as alkyl or aryl, OR<2>, NR<2>R<3>, halogen, SR<2> or PR<2>R<3>; R<2>, R<3> = H or 1-10C hydrocarbyl such as alkyl, aryl or aralkyl, or R<2> plus R<3> and/or R<3> plus R or R<2> may form ring(s) and two or more ERE' units may form one or more rings; n = 0-3; m = 1-3; l = 0-10. Independent claims are also included for: (a) compounds of formula (RFSO3)2M(ERE'l) (XI); (b) a method for the production of (XI) from compounds of formula MY<1>Y<2>Y<3> (XII); RF = perfluoroalkyl or perfluoroaryl Y<1>, Y<2>, Y<3> = H, 1-10C hydrocarbyl such as alkyl or aryl, halide, alkoxide, aryloxide or amide , by reaction with H(ERE'l) followed by reaction with RFSO3H, both stages being carried out at -100 to 300 degrees C in presence or absence of inert solvent; (c) a method for the production of (XI) from compounds of formula M(ERE'l)3 (XIII), by reaction with RFSO3H under conditions as given for method (b); (d) a method for the ring-opening polymerisation of cyclic ethers in presence of (XI). |
