| abstract |
The invention provides a polyphenylene ether intermediate, a polyphenylene ether derivative, a preparation method and application thereof, and relates to the technical field of polymer synthesis. The structure of the polyphenylene ether intermediate of the present invention is shown in formula I, and the polyphenylene ether derivative prepared by using the intermediate has the characteristics of small molecular weight, good distribution and high solvent selectivity, and is applied to resin compositions and prepared It has the advantages of good heat resistance, stable structure and good toughness. |