Method for manufacturing sulfonated aromatic polymer
AssigneeKonishi Chemical Ind. Co., Ltd.
InventorsTomonori Mitsuru, Yoshinori Itani, Wakako Sakata
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Abstract
An object of the present invention is to provide a method for industrially advantageously manufacturing a sulfonated aromatic polymer while preventing a reduction in the molecular weight of the resulting sulfonated aromatic polymer. The present invention relates to a method for manufacturing a sulfonated aromatic polymer, comprising sulfonating an aromatic polymer and a sulfonating agent in the presence of a solvent of a compound containing a sulfonyl group (—SO2—).
Claims12
A method for manufacturing a sulfonated aromatic polymer, comprising sulfonating an aromatic polymer and a sulfonating agent in the presence of a solvent of a compound containing a sulfonyl group (—SO2—).
Dependencies are inferred from the claim text.