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US 2014/0231771 A1Published application
Cross-linking polymer and organic electroluminescent element using same
AssigneeIdemitsu Kosan Co., Ltd.
InventorsAkinori Yomogita, Hironori Kawakami, Masami Watanabe, Kiyoshi Ikeda, Masahiro Kawamura, Nobuhiro Yabunouchi, Tomoki Kato
Life of this patent
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Abstract
A polymer including structural units represented by the following formulas (A) and (B). In the formula (A), P is a group derived from a compound represented by the formula (P). L1 is a linkage group. In the formula (B), Q is a group derived from a compound represented by the formula (Q). L2 is a linkage group. In the formula (B), at least one of “c”Qs and “d”L2s includes a cross-linkable group.
Claims30
A polymer comprising structural units represented by the following formulas (A) and (B):
- wherein, in the formula (A), P is a group derived from a compound represented by the following formula (P):
- wherein A1s are independently a nitrogen atom or CR2;
- X1 is a single bond, O, S, CR2R3 or NR2;
- R1 to R3 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 10 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 30 ring atoms, a substituted or unsubstituted arylamino group or an arylsilyl group;
- a is an integer of 2 to 5, (P)a means that a is the number of Ps and “a”Ps are bonded sequentially, “a”Ps are independent from each other;
- and the bonding position of Ps is not limited;
- L1 is a linkage group;
- b is an integer of 0 to 5, and (L1)b means that b is the number of L1s and, when b is 2 or more, “b”L1s are sequentially bonded, and in this case, “b”L1s are independent from each other;
- and the bonding position of L1s is not limited;
- in the formula (A), the bonding position of P and L1 is not limited;
- in the formula (B), Q is a group derived form a compound represented by the following formula (Q):
- wherein A2s are independently a nitrogen atom or CR6;
- X2 is a single bond, O, S, CR6R7 or NR6
- R5 to R7 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 10 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroaryl group including 3 to 30 ring atoms, a substituted or unsubstituted arylamino group, an arylsilyl group or a cross-linkable group;
- c is an integer of 2 to 5, (Q)c means that c is the number of Qs and “c”Qs are bonded sequentially, “c”Qs are independent from each other and the bonding position of Qs is not limited;
- L2 is independently a substituted or unsubstituted alkylene group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkylene group including 3 to 10 ring carbon atoms, a substituted or unsubstituted aromatic hydrocarbon ring group including 6 to 30 ring carbon atoms, a substituted or unsubstituted aromatic heterocyclic group including 3 to 30 ring atoms, a substituted or unsubstituted arylamine residue, an arylsilylene group or a cross-linkable group;
- d is an integer of 0 to 5, (L2)d means that d is the number of L2s and, when d is 2 or more, “d”L2s are bonded sequentially, and in this case, “d”L2s are independent from each other;
- and the bonding position of L2s is not limited;
- in the formula (B), the bonding position of Q and L2 is not limited;
- and
- in the formula (B), of “c”Qs and “d”L2s, at least one includes a cross-linkable group.
18 more elements
A polymer represented by the following formula (C):
- wherein P′ is a group derived from a compound represented by the following formula (P′);
- L is a linkage group;
- a is an integer of 2 to 5, (P′)a means that a is the number of P′s and “a”P′s are bonded sequentially, “a”P′s are independent from each other;
- and the bonding position of P′s is not limited;
- b is an integer of 0 to 5, (L)b means that b is the number of Ls, when b is 2 or more, “b”Ls are bonded sequentially, and in this case, “b”Ls are independent from each other;
- and
- the bonding position of Ls is not limited;
- when b is 0, L is a single bond;
- in the formula (C), the bonding position of P′ and L is not limited;
- m is a repeating unit;
- Y1 and Y2 are independently a cross-linkable group;
- wherein As are independently a nitrogen atom or —C(R)—;
- X is a single bond, —O—, —S—, —C(R)2— or —N(R)—;
- R is independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 10 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroaryl group including 3 to 30 ring atoms, a substituted or unsubstituted arylamino group or a substituted or unsubstituted arylsily group.
11 more elements
Dependencies are inferred from the claim text.