公开(公告)号：EP1989246A2

公开(公告)日：2008-11-12

申请号：EP07750401.7

申请日：2007-02-09

申请人： Sabic Innovative Plastics IP B.V.

发明人： BRUNELLE, Daniel, Joseph ,  ACAR, Havva, Yagci ,  KHOURI, Farid, Fouad ,  GUGGENHEIM, Thomas, Link ,  WOODRUFF, David, Winfield ,  JOHNSON, Norman, Enoch

IPC分类号： C08G65/00 ,  C08G73/12 ,  C08G73/10

CPC分类号： C08G73/12 ,  C08G73/121 ,  C08G73/124

摘要： Polyether polymers, such as polyetherimides, are prepared by the reaction of a dihydroxy-substituted aromatic hydrocarbon alkali metal salt, such as bisphenol A disodium salt, with a bis(N-(chlorophthalimido))aromatic compound, such as 1,3- and/or l,4-bis(N-(4-chlorophthalimido))benzene, in a solvent such as o-dichlorobenzene and in the presence of a phase transfer catalyst such as a hexaalkylguanidinium chloride. Several embodiments may be employed to improve the method. They comprise employing substantially dry reagents, employing a high solids level in solvent, beginning with an excess of bis(N-(chlorophthalimido))- aromatic compound and incrementally adding alkali metal salt, employing alkali metal salt of small particle size, and using reagents of high purity.