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- W2378616218 abstract "Monomer N, N′-diphenyl-N, N′-bis(4-alkylphenyl)-benzidine(alkyl-TPD) prepared by Ullmann reaction of N, N′-diphenylbenzidine with 1-halogen-4-alkylbenzene using 18-crown-6 as phase transfer catalyst and o-dichlorobenzene as solvent was reacted with 1, 4-bischloromethylbenzene(BCB) or 9, 10-bischloromethylanthracene(BCA) by condensation polymerization through Friedel-Crafts reaction in chlorobenzene, using SnCl_4 or AlCl_3 as catalysts under nitrogen atmosphere at 40～80℃ for 1～12h. TPD units were introduced into the main chain of the polymer. A series of the novel EL polymer with charge transporting property were synthesized in high yield(up to 96%) and with high molecular weight(with maximum value 2.9×10~5). All polymers had higher T_g than that of TPD itself(maximum value of T_g was 245℃). Their properties in electroluminesent devices have been investigated. The results showed EL wavelength is moved 60 nm toward infrared region as compared with that of TPD." @default.
- W2378616218 created "2016-06-24" @default.
- W2378616218 creator A5071296481 @default.
- W2378616218 date "2004-01-01" @default.
- W2378616218 modified "2023-09-25" @default.
- W2378616218 title "Synthesis of ChargeTransporting Polymers Containing TPD Units and Their Application in Electroluminescent Devices" @default.
- W2378616218 hasPublicationYear "2004" @default.
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