COPOLYMER, MATERIAL FOR ORGANIC ELECTRONIC ELEMENT, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT

摘要

Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.

主权项

1. A copolymer comprising a repeating unit of the following formula (1), which comprises the repeating unit where a is from 1 to 5 and the repeating unit where a is 0 and has a weight-average molecular weight falling within a range of from 100,000 to 3,000,000: wherein A represents a hydrogen atom, or a substituted or unsubstituted alkyl group having a carbon number of from 1 to 10; X1 each independently represents a single bond, O (oxygen atom), S (sulfur atom), a substituted or unsubstituted alkylene group having a carbon number of from 1 to 20, a substituted or unsubstituted cycloalkylene group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted arylene group having a ring carbon atoms of from 6 to 50, a substituted or unsubstituted oxyalkylene group having a carbon number of from 1 to 20, a substituted or unsubstituted oxycycloalkylene group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted oxyarylene group having a ring carbon atoms of from 6 to 30, a substituted or unsubstituted aralkylene group having a carbon number of from 7 to 40, a substituted or unsubstituted heteroarylene group having a ring atoms of from 5 to 30, a substituted or unsubstituted alkylamino group, a substituted or unsubstituted arylamino group, or a substituted silylene group substituted with a substituent selected from alkyl and aryl; X2, Y1 and Y2 each independently represent a single bond, CR22, CR2, NR2, N, O, S, or SiR22; R2 each independently represents a hydrogen atom, a substituted or unsubstituted alkyl group having a carbon number of from 1 to 20, a substituted or unsubstituted cycloalkyl group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted aryl group having a ring carbon atoms of from 6 to 30, a substituted or unsubstituted alkoxy group having a carbon number of from 1 to 20, a substituted or unsubstituted cycloalkoxy group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted aryloxy group having a ring carbon atoms of from 6 to 30, a substituted or unsubstituted aralkyl group having a carbon number of from 7 to 40, a substituted or unsubstituted heteroaryl group having a ring atoms of from 5 to 30, a substituted or unsubstituted alkylamino group, a substituted or unsubstituted arylamino group, a substituted silyl group substituted with one or more substituents selected from alkyl and aryl, a halogen atom, a nitro group, a cyano group, or a hydroxyl group, provided that R2 bonding to a nitrogen atom is not a hydrogen atom; Z1 to Z5 each independently represent a substituted or unsubstituted aliphatic hydrocarbon cyclic group having a ring carbon atoms of from 3 to 30, a substituted or unsubstituted aliphatic heterocyclic group having a ring atoms of from 3 to 30, a substituted or unsubstituted aromatic hydrocarbon cyclic group having a ring carbon atoms of from 6 to 30, or a substituted or unsubstituted aromatic heterocyclic group having a ring atoms of from 5 to 30; a, b, d, e, f, g, p, q, m and n each independently indicate an integer of from 0 to 5; R1 represents a single bond, a substituted or unsubstituted alkyl group having a carbon number of from 1 to 20, a substituted or unsubstituted cycloalkyl group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted aryl group having a ring carbon atoms of from 6 to 50, a substituted or unsubstituted alkoxy group having a carbon number of from 1 to 20, a substituted or unsubstituted cycloalkoxy group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted aryloxy group having a ring carbon atoms of from 6 to 30, a substituted or unsubstituted aralkyl group having a carbon number of from 7 to 40, a substituted or unsubstituted heteroaryl group having a ring atoms of from 5 to 30, a substituted or unsubstituted alkylamino group, a substituted or unsubstituted arylamino group, or a substituted silyl group substituted with a substituent selected from alkyl and aryl; L1 represents a single bond, a substituted or unsubstituted alkylene group having a carbon number of from 1 to 20, a substituted or unsubstituted cycloalkylene group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted arylene group having a ring carbon atoms of from 6 to 50, a substituted or unsubstituted oxyalkylene group having a carbon number of from 1 to 20, a substituted or unsubstituted oxycycloalkylene group having a ring carbon atoms of from 3 to 16, a substituted or unsubstituted oxyarylene group having a ring carbon atoms of from 6 to 30, a substituted or unsubstituted aralkylene group having a carbon number of from 7 to 40, a substituted or unsubstituted heteroarylene group having a ring atoms of from 5 to 30, a substituted or unsubstituted alkylamino group, a substituted or unsubstituted arylamino group, or a substituted silylene group substituted with a substituent selected from alkyl and aryl; and when L1 and R1 bond, the formula contains a repeating unit where a=0 and b=0.