| 摘要 |
Polyarylene ethers which contain, based on the total amount of structural units present in the polyether resin, 2-100 mol% of a recurring structural unit of the formula I <IMAGE> and 0-98 mol% of a recurring structural unit of the formula II <IMAGE> in which each a is the number 1 or 2, from 10 to 100% of the X, based on the total number of X bonds present in the structural units of the formulae I and II, are -SO2- and 0 to 90% of the X are -CO-, and A is a group of the formulae IIIa-IIIe <IMAGE> in which Y is -CH2-, -C(CH3)2-, -C(CF3)2-, -S-, -SO-, -SO2-, -O- or -CO-, and the aromatic rings in the structural units of the formulae I and II are unsubstituted or monosubstituted or polysubstituted by alkyl, where the alkyl radical contains 1 to 4 carbon atoms, have good solubility in organic solvents and are preferably suitable for modifying other plastics or as matrix resins for the production of fibre composite systems. |
