Cross-linkable polymers and electronic devices made with such polymers
View Patent ↗The present invention relates to novel cross-linkable polymers and a wide variety of electronic devices containing at least one layer having the polymer. The compounds can function as monomers, and copolymers can be formed from such monomers, such copolymers comprising, as polymerized units, a plurality of units of the compounds.
1. A compound having the formula:
wherein
n is an integer;
R 1 is selected from aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms, fluoroheteroaryl substituted with 1 or more fluorine atoms, and a crosslinkable group attached to aryl, heteroaryl, fluoroaryl, or fluoroheteroaryl substituted with 1 or more fluorine atoms, wherein said crosslinkable group does not include a vinyl group;
R 2 is selected from H, aryl, alkyl, fluoroalkyl, Cl, Br, I, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms, fluoroheteroaryl substituted with 1 or more fluorine atoms; a crosslinkable group attached to aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms or fluoroheteroaryl substituted with 1 or more fluorine atoms, a crosslinkable group, and an arylamino group of formula (II),
wherein
R 4 is selected from aryl, H, R 1 , alkyl, and fluoroalkyl;
R 7 is selected from aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms, fluoroheteroaryl substituted with 1 or more fluorine atoms, and a crosslinkable group attached to aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms or fluoroheteroaryl substituted with 1 or more fluorine atoms;
R 3 is selected from H and R 1 ;
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations the thereof,
wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, fluoroaryloxy, a crosslinkable group, and a crosslinkable group attached to alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, or fluoroaryloxy, and wherein when E is (CR 5 R 6 ) m , and n is greater than 1 and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon and;
wherein the compound bears at least one crosslinkable group.
2. The compound of claim 1 , wherein at least one aromatic ring in the compound of formula (I) has one or more substituents independently selected from F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, fluoroaryloxy, and crosslinkable groups.
3. The compound of claim 1 , wherein R 5 and R 6 , when taken together, form a non-aromatic ring.
4. The compound of claim 1 , wherein two or more substituents on two neighboring aromatic rings in the compound of formula (I) together form an aromatic or non-aromatic ring.
5. The compound of claim 1 , wherein adjacent substituents on a single ring are linked to form a fused aromatic or non-aromatic ring.
6. The compound of claim 1 , wherein R 1 is selected from phenyl, 1-naphthyl, and 2-naphthyl, cinnamate and chalcone groups.
7. The compound of claim 1 , wherein n=1, R 2 is H, and R 3 is selected from phenyl, 1-naphthyl, 2-naphthyl and styryl.
8. A compound of formula
wherein
n is an integer,
R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms, and a crosslinkable group attached to aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms,
R 2 is selected from H, aryl, alkyl, fluoroalkyl, Cl, Br, I, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms, fluoroheteroaryl substituted with 1 or more fluorine atoms, a crosslinkable group attached to aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms or fluoroheteroaryl substituted with 1 or more fluorine atoms, a crosslinkable group, and arylamino of formula (II)
wherein
R 4 is selected from aryl, H, R 1 , alkyl, and fluoroalkyl;
R 7 is selected from aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms, fluoroheteroaryl substituted with 1 or more fluorine atoms, and a crosslinkable group attached to aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms;
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof,
wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, fluoroaryloxy, a crosslinkable group, and a crosslinkable group attached to alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, or fluoroaryloxy, provided that when E is (CR 5 R 6 ) m , and n is greater than 1 and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon; and
wherein the compound bears at least one crosslinkable group.
9. The compound of claim 8 , wherein R 5 and R 6 , when taken together, form a non-aromatic ring.
10. The compound of claim 8 , wherein at least one aromatic ring in the compound of formula (III) has a substituent selected from F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, fluoroaryloxy, and a crosslinkable group.
11. The compound of claim 8 , wherein two or more substituents on two neighboring aromatic rings in the compound of formula (III) together form an aromatic or non-aromatic ring.
12. The compound of claim 8 , wherein adjacent substituents on a single ring are linked to form a fused aromatic or non-aromatic ring.
13. The compound of claim 8 wherein R 1 is selected from phenyl, 1-naphthyl, and 2-naphthyl.
14. The compound of claim 8 , wherein n=1, and R 2 is arylamino of formula (II), wherein R 4 is selected from aryl, H, R 1 , alkyl, and fluoroalkyl.
15. The compound of claim 8 wherein n=1, R 1 is selected from phenyl, 1-naphthyl or 2-naphthyl and R 2 is styryl or cinammate, or arylamino of formula (II), wherein R 4 is selected from aryl, H, styryl and cinnamate.
16. The compound of claim 8 wherein R 1 is selected from phenyl, 1-naphthyl and 2-naphthyl and R 2 is selected from H and aryl and E is selected from (CR 5 R 6 )m, wherein R 5 is selected from alkyl, aryl, and alkoxy and R 6 is a crosslinkable group.
17. A compound of formula
wherein:
n is an integer;
R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms, and a crosslinkable group attached to aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms, wherein said crosslinkable group does not include a vinyl group;
R 2 is selected from H, aryl, alkyl, fluoroalkyl, Cl, Br, I, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms, a crosslinkable group attached to aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms, fluoroheteroaryl substituted with 1 or more fluorine atoms, a crosslinkable group, and an arylamino group of formula (II),
wherein
R 4 is selected from aryl, H, R 1 , alkyl, and fluoroalkyl;
R 7 is selected from aryl, heteroaryl, fluoroaryl substituted with 1 or more fluorine atoms, fluorohetemaryl substituted with 1 or more fluorine atoms, and a crosslinkable group attached to aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms;
R 3 is selected from H and R 1 ;
E is selected from O, S, (SiR 5 R 5 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof,
wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, fluoroaryloxy, a crosslinkable group, and a crosslinkable group attached to alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, or fluoroaryloxy, provided that when E is (CR 5 R 6 ) m , and n is greater than 1 and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon; and
wherein the compound bears at least one crosslinkable group.
18. The compound of claim 17 wherein at least one aromatic ring in the compound of formula (I) has a substituent selected from F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, fluoroaryloxy and a crosslinkable group.
19. The compound of claim 17 wherein R 1 is selected from phenyl, 1-naphthyl, and 2-naphthyl.
20. The compound of claim 17 wherein n=1, R 2 is H, and R3 is selected from phenyl, 1-naphthyl, 2-naphthyl and styryl.
21. The compound of claim 17 wherein R 5 and R 6 , taken together, form a non-aromatic ring.
22. A composition comprising a copolymer prepared by copolymerizing at least one compound of claim 1 and at least one compound of claim 8 , said compound of claim 1 or claim 8 comprising at least one crosslinkable group.
23. A composition comprising a compound of claim 1 .
24. A composition comprising a compound of claim 8 .
25. A composition comprising a compound of claim 17 .
26. A copolymer comprising monomers selected from the group consisting of at least one compound of claim 1 and at least one compound of claim 8 , said compound of claim 1 or claim 8 comprising at least one crosslinkable group.