申请人:MITSUBISHI GAS CHEMICAL COMPANY, INC.
公开号:EP0432910A2
公开(公告)日:1991-06-19
A process for producing highly pure 2,6-naphthalene dicarboxylic acid, characterized by hydrolyzing 2,6-dimethyl naphthalene dicarboxylate more than 99% pure in an aqueous solution by using an aromatic poly-carboxylic acid as a catalyst is disclosed.
本发明公开了一种生产高纯度 2,6-萘二羧酸的工艺,其特点是使用芳香族聚羧酸作为催化剂,在水溶液中水解纯度超过 99% 的 2,6-二甲基萘二羧酸盐。