Title:
PROCESS FOR PRODUCING POLYPHENYLENE OXIDE
Document Type and Number:
Japanese Patent JPS5298099
Kind Code:
A
Abstract:
A novel process is described for the preparation of polyphenylene oxide resin composition. The process is based on the precipitation of a polyphenylene oxide resin that has been prepared by the oxidative coupling of a phenol in the presence of a manganese (II) omega -hydroxyoxime chelate catalyst by a procedure that entrains the catalyst in the polyphenylene oxide resin.
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Inventors:
UORUTAA KAARU ORANDAA
Application Number:
JP504477A
Publication Date:
August 17, 1977
Filing Date:
January 21, 1977
Export Citation:
Assignee:
GEN ELECTRIC
International Classes:
C08G65/00; C08G65/38; C08G65/44; C08G65/46; (IPC1-7): C08G65/44