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US 6,610,809 B1Granted
Polymer, producing method thereof, and photorefractive composition
AssigneesNitto Denko Corporation, Arizona Board of Regents on Behalf of the University of Arizona
InventorsMichiharu Yamamoto, Seth R. Marder, Bernard Kippelen
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Abstract
A photorefractive composition comprising a polymer prepared by living radical polymerization, wherein: the living radical polymerization is carried out using a monomer, a polymerization initiator, transition metal catalyst and a ligand capable of reversibly forming a complex with the transition metal catalyst, and the polymer comprises at least one of a repeat unit including a moiety having charge transport ability and a repeat unit including a moiety having non-linear-optical ability.
Claims46
A polymer which is represented by a formula selected from the group consisting of formulae (I), (II), (III) and (IV):
- wherein R0 represents a hydrogen atom or alkyl group with up to 10 carbons;
- R is selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- A represents a repeating structure comprising at least one of the below repeating unit 1 and repeating unit 2;
- wherein R0 represents each independently a hydrogen atom or alkyl group with up to 10 carbons;
- p is an integer of 2 to 6;
- A and A′ represents each independently a repeating structure comprising at least one of the below repeating unit 1 and repeating unit 2;
- wherein R0 represents a hydrogen atom or alkyl group with up to 10 carbons;
- A represents a repeating structure comprising at least one of the below repeating unit 1 and repeating unit 2;
- wherein A represents a repeating structure comprising at least one of the below repeating unit 1 and repeating unit 2;
- wherein Z is represented by a structure selected from the group consisting of structures (i), (ii) and (iii);
- and Z′ is represented by formula (0);
- wherein Q represents an alkylene group, with or without a hetero atom;
- R1 is selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- G is a group having a bridge of conjugated bond;
- and Eacpt is an electron acceptor group;
- wherein the structures (i), (ii) and (iii) are:
- wherein Q represents an alkylene group, with or without a hetero atom;
- Ra1, Ra2, Ra3, Ra4, Ra5, Ra6, Ra7, and Ra8 are independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- wherein Q represents an alkylene group, with or without a hetero atom;
- Rb1-Rb27 are each independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- wherein Q represents an alkylene group, with or without a hetero atom;
- Rc1-Rc14 are each independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons.
19 more elements
A method for producing a polymer comprising
- polymerizing a monomer by a living radical polymerization technique, wherein the monomer comprises a structure selected from the group consisting of structures (i), (ii) and (iii):
- wherein Q represents an alkylene group, with or without a hetero atom;
- Ra1, Ra2, Ra3, Ra4, Ra5, Ra6, Ra7, and Ra8 are independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- wherein Q represents an alkylene group, with or without a hetero atom;
- Rb1-Rb27 are each independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- wherein Q represents an alkylene group, with or without a hetero atom;
- Rc1-Rc14 are each independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons.
4 more elements
A method for producing a polymer comprising
- polymerizing a monomer by a living radical polymerization technique, wherein the monomer comprises a structure represented by the formula (0);
- wherein Q represents an alkylene group, with or without a hetero atom;
- R1 is selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- G is a group having a bridge of conjugated bond;
- and Eacpt is an electron acceptor group.
2 more elements
A method for producing a polymer comprising
- copolymerizing at least a first monomer and a second monomer by a living radical polymerization technique, wherein the first monomer comprises a structure selected from the group consisting of structures (i), (ii) and (iii):
- wherein Q represents an alkylene group, with or without a hetero atom;
- Ra1, Ra2, Ra3, Ra4, Ra5, Ra6, Ra7, and Ra8 are independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- wherein Q represents an alkylene group, with or without a hetero atom;
- Rb1-Rb27 are each independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- wherein Q represents an alkylene group, with or without a hetero atom;
- Rc1-Rc14 are each independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- and
- wherein the second monomer comprises a structure represented by the formula (0):
- wherein Q represents an alkylene group, with or without a hetero atom;
- R1 is selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons;
- G is a group having a bridge of conjugated bond;
- and Eacpt is an electron acceptor group.
10 more elements
A composition comprising a polymer prepared by living radical polymerization, wherein:
- (a) the living radical polymerization is carried out using a monomer, a polymerization initiator, transition metal catalyst and a ligand capable of reversibly forming a complex with the transition metal catalyst,
- (b) the polymer comprises at least one of a first repeat unit including a moiety having charge transport ability and a second repeat unit including a moiety having non-linear-optical ability, and
- (c) the composition exhibits photorefractive ability.
Dependencies are inferred from the claim text.