公开(公告)号：US09777118B2

公开(公告)日：2017-10-03

申请号：US15304134

申请日：2015-04-15

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Mani Raj Chaulagain ,  Farid Fouad Khouri

IPC: C08G73/10 ,  C07C37/66 ,  C08K5/31

CPC classification number: C08G73/1071 ,  C07C37/66 ,  C08G73/10 ,  C08G73/1003 ,  C08K5/31 ,  C07C39/235

Abstract: A method for the manufacture of a metal salt of a hydroxy-substituted aromatic compound comprises: contacting a hydroxy-substituted aromatic compound with a base comprising a metal cation in molten diphenyl sulfone or sulfolane to provide a mixture comprising water, diphenyl sulfone or sulfolane, and a metal salt of the hydroxy-substituted aromatic compound; and removing water from the mixture in the absence of an azeotrope solvent to provide the metal salt of the hydroxy-substituted aromatic compound that contains less than 3,000 ppm of water.