摘要:
A halogenated aromatic compound, a polyarylene (co)polymer obtained by the polymerization of such a halogenated aromatic compound as a monomer component, and a proton-conductive membrane made of a sulfonation product of such a (co)polymer are disclosed. The halogenated aromatic compound is represented by the following general formula (1bm): 1 wherein As' independently represent an electron-withdrawing group; Bsnull independently represent an electron-donating atom or divalent group; Xsnull independently represent a chlorine atom, an iodine atom, or a bromine atom; Z represents an aryl group; R1 to R19 may be the same or different and each represents a hydrogen atom, a fluorine atom, an alkyl group, or a fluoroalkyl group; and a and b each represents an integer of 1 to 20.
摘要翻译:公开了通过使这种卤化芳族化合物作为单体成分聚合得到的聚亚芳基(共)聚合物和由这种(共)聚合物的磺化产物制成的质子传导膜的卤代芳族化合物。 卤代芳族化合物由以下通式(1bm)表示:其中As'独立地表示吸电子基团; Bs'独立地表示给电子原子或二价基团; X'独立地表示氯原子,碘原子或溴原子; Z表示芳基; R 1〜R 19可以相同或不同,表示氢原子,氟原子,烷基或氟代烷基; a和b各自表示1〜20的整数。
摘要:
A polyarylene copolymer which comprises (A) aromatic compound units having a main chain containing one or more electron-withdrawing groups therein and (B) aromatic compound units having a main chain containing no electron-withdrawing groups therein, and a proton-conductive membrane comprising the polyarylene copolymer having sulfonic acid groups.
摘要:
A polyarylene copolymer which comprises (A) from 60 to 3 mol % aromatic compound units having a main chain containing one or more electron-withdrawing groups therein and (B) from 40 to 97 mol % aromatic compound units having a main chain containing no electron-withdrawing groups therein (provided that (A)null(B)null100 mol %), and a proton-conductive membrane comprising the polyarylene copolymer having sulfonic acid groups.
摘要:
Disclosed is an aromatic sulfonic acid ester derivative represented by the formula (1); 1 in the formula, X is an atom or a group selected from a halogen atom excluding fluorine, nullOSO3CH3 and nullOSO3CF3, A is a divalent electron attractive group, B is a divalent electron donating group or a direct bonding, Ra is a hydrocarbon group of 1 to 20 carbon atoms, Ar is an aromatic group having a substituent of nullSO3Rb (wherein Rb 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.
摘要:
A polymer which has a flexible structure in its main chain and thus exhibits a high toughness and can difficultly be deteriorated in its mechanical properties and thermal properties even when sulfonated, a sulfonic acid group-containing polymer obtained by the sulfonation of the polymer, and a proton-conductive membrane having an excellent mechanical strength and durability made of the sulfonic acid group-containing polymer. A novel halogenated aromatic compound represented by the following general formula (1m) is provided: 1 wherein A independently represents an electron-withdrawing group; B independently represents an electron-donating atom or group; X represents a chlorine atom, iodine atom or bromine atom; R1 to R8 may be the same or different and each represent a hydrogen atom, fluorine atom or alkyl group; and n represents an integer of 2 or more.
摘要翻译:一种聚合物,其主链具有柔性结构,因此即使在磺化时也显示出高的韧性,并且其机械性能和热性能难以降低,通过聚合物的磺化获得的含磺酸基的聚合物和 质子传导膜具有优异的机械强度和耐久性,由含磺酸基的聚合物制成。 提供由以下通式(1m)表示的新型卤代芳族化合物:其中A独立地表示吸电子基团; B独立地表示给电子原子或基团; X表示氯原子,碘原子或溴原子; R 1至R 8可以相同或不同,各自表示氢原子,氟原子或烷基; n表示2以上的整数。
摘要:
A monomer containing an electron-withdrawing group and an electron-donative group which can be easily controlled in the upper limit of the amount of a sulfonic acid, which impairs the mechanical properties of a copolymer, and can provide a sulfonated polymer that forms a proton-conductive membrane having a high proton conductivity over a wide temperature range, an excellent mechanical strength and an excellent proton conductivity and showing inhibited swelling in hot water and an aqueous solution of methanol, and a copolymer obtained from the monomer. A monomer containing an electron-withdrawing group and an electron-donative group represented by the following general formula (1): 1 wherein Y represents a iodine atom, chlorine atom or bromine atom; X represents an electron-withdrawing group; B represents an electron-donative group; and Z represents an aryl group having a specific structure or a monovalent condensed ring hydrocarbon group such as naphthyl group.