Process for capping polyphenylene oxide

Details Process for capping polyphenylene oxide Process for capping polyphenylene oxide

C - Chemistry, Metallurgy

08

G

402/320, 402/359

C08G 65/44 (2006.01) C08G 65/48 (2006.01) C08K 5/09 (2006.01) C08K 5/42 (2006.01)

Patent

CA 1064193

Abstract of the Disclosure A process is disclosed which provides for the reduction of the occurrence of oxidative and/or thermal degradation of polyphenylene oxides by contacting the oxides with a capping agent in the presence of a water soluble base, a catalytic phase transfer agent, and, optionally, an effec- tive organic phase reducing agent. The resulting capped polyphenylene oxides can be used to prepare improved articles of manufacture using conventional techniques such as molding, vacuum forming, extrusion, etc.

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