Method for preparation of conjugated arylene or...

Details Method for preparation of conjugated arylene or... Method for preparation of conjugated arylene or...

C - Chemistry, Metallurgy

08

G

C08G 61/02 (2006.01) C09K 11/06 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2131259

A technique is described for the preparation of conjugated arylene and heteroarylene vinylene polymers wherein conversion of the polymer precursor is effected at a temperature ranging from 150-300°C in the presence of forming gas. Studies have shown that the presence of the forming gas suppresses the formation of carbonyl groups, so resulting in an enhancement in photoluminescence and electroluminescence efficiency of the polymer.

Divulgation d'une technique pour la préparation de polymères conjugués d'arylidène et de vinylène, et d'hétéroarylidène et de vinylène, au cours de laquelle la conversion du précurseur du polymère est effectuée à une température allant de 150 à 300 .degré.C, en présence d'un mélange hydrogène-azote. Des études ont mis en évidence que la présence du mélange hydrogène-azote empêche la formation de groupements carbonyles, permettant ainsi au polymère d'avoir une meilleure efficacité photoluminescente et électroluminescente.

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