Soluble polyarylene ethers

Details Soluble polyarylene ethers Soluble polyarylene ethers

C - Chemistry, Metallurgy

08

G

C08G 8/02 (2006.01) C07C 217/90 (2006.01) C08G 65/40 (2006.01) C08G 65/48 (2006.01) C08G 75/23 (2006.01) C08L 63/00 (2006.01) C08L 71/12 (2006.01) C08L 79/08 (2006.01)

Patent

CA 2054125

K-18416/A Soluble polyarylene ethers Abstract of the Disclosure Amino group containing polyarylene ethers which are soluble in organic solvents and have an inherent viscosity (?inh) Of 0.02 to 1.0, measured in a 1 % by weight solution of the polymer in N-methylpyrrolidone at 25°C, which polyarylene ethers, based on the total amount of structural units present in the polymer, contain 100 to 5 mol % of a structural repeating unit of formula I or II Image (I) or Image (II) and 95 to 0 mol % of a structural repeating unit of formual III Image (III) wherein X is -SO2- or -CO-, and Ar is a group of formula IVa to IVe Image (IVa), wherein a is 0 or 1, Image (IVb), Image (IVc), Image (IVd), wherein b is 1 or 2, or Image (IVe) wherein Z is -CO-,-SO2-,-SO-,-S-,-O-, -?(CH3)2, -?(CF3)2, -CH2- or Image , which group is unsubstituted or substituted by one or more members selected from the group consisting of C1-C4alkyl, C1-C4alkoxy or halogen, are admirably suited for use as hardeners or modifiers for maleimide or epoxy resins.

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