C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 309/73 (2006.01) C07C 309/75 (2006.01) C08G 61/12 (2006.01)
Patent
CA 2438009
Disclosed is an aromatic sulfonic acid ester derivative represented by the formula (1); Image in the formula, X is an atom or a group selected from a halogen atom excluding fluorine, -OSO3CH3 and -OSO3CF3, A is a divalent electron attractive group, B is a divalent electron donating group or a direct bonding, R a is a hydrocarbon group of 1 to 20 carbon atoms, Ar is an aromatic group having a substituent of -SO3R b (wherein R b is a hydrocarbon group of 1 to 20 carbon atoms), m is an integer of 0 to 10, n is an integer of 0 to 10 and k is an integer of 1 to 4. Also disclosed is a process for producing a polyarylene having a sulfonic acid group, which process comprises the steps of coupling polymerization of an aromatic compound containing the derivative of the formula (1), to prepare a polyarylene and hydrolysis of the polyarylene, and which process has high safety and is easily capable of controlling the amount of sulfonoc acid group introduced into a polymer and the introducing position thereof.
Goto Kohei
Kadota Toshiaki
Konno Yousuke
Ohtsuki Toshihiro
Rozhanskii Igor
Jsr Corporation
Macrae & Co.
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