Ink, ink-jet-recording method and bis-azo compound
AssigneeFuji Photo Film Co., Ltd.
InventorsToru Harada, Naotaka Wachi
Life of this patent
Estimating the term…
Abstract
An ink, which contains at least one dye of formula (1): A—N═N—BX1n1B′—N═N—A′ Formula (1) wherein A and A′ each independently represent an aryl group or a monovalent heterocyclic group; B and B′ each independently represent an arylene group or a divalent heterocyclic group; X1 represents a divalent linking group; n1 is 0 or 1; and at least one of A, B, A′, and B′ is a heterocyclic group.
Claims9
An ink, comprising at least one dye represented by formula (2) or (3):
- wherein, in formula (2), R2 represents a monovalent group;
- R3 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X2 represents a divalent linking group;
- n2 is an integer of 0 or 1;
- Ar1 represents an aryl group or a heterocyclic group;
- and Ar2 represents a divalent triazine ring group;
- wherein, in formula (3), R4 represents a monovalent group;
- R5 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X3 represents a divalent linking group;
- n3 is an integer of 0 or 1;
- Ar3 represents a divalent heterocyclic group;
- and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group.
An ink, comprising at least one dye represented by formula (1):
- A—N═N—BX1n1B′—N═N—A′ Formula (1)
- wherein, in formula (1), A and A′ each independently represent an aryl group or a monovalent heterocyclic group;
- B and B′ each independently represent an arylene group or a divalent heterocyclic group;
- X1 represents a divalent linking group;
- n1 is and integer of 0 or 1;
- and at least one of A, B, A′, and B′ is a heterocyclic group, wherein, in formula (1), A and A′ each are a 5-aminopyrazole ring, and B and B′ each are a thiadiazole ring.
An ink-jet-recording method, comprising the step of:
- forming an image with an ink, on an image-receiving material having an ink-receiving layer containing white inorganic pigment particles on a support,
- wherein the ink comprises at least one dye represented by formula (2) or (3):
- wherein, in formula (2), R2 represents a monovalent group;
- R3 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X2 represents a divalent linking group;
- n2 is an integer of 0 or 1;
- Ar1 represents an aryl group or a heterocyclic group;
- and Ar2 represents a divalent triazine ring group;
- wherein, in formula (3), R4 represents a monovalent group;
- R5 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X3 represents a divalent linking group;
- n3 is an integer of 0 or 1;
- Ar3 represents a divalent heterocyclic group;
- and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group.
An ink sheet, comprising at least one dye represented by formula (1), (2) or (3):
- A—N═N—BX1n1B′—N═N—A′ Formula (1)
- wherein, in formula (1), A and A′ each independently represent an aryl group or a monovalent heterocyclic group;
- B and B′ each independently represent an arylene group or a divalent heterocyclic group;
- X1 represents a divalent linking group;
- n1 is an integer of 0 or 1;
- and at least one of A, B, A′, and B′ is a heterocyclic group;
- wherein, in formula (2), R2 represents a monovalent group;
- R3 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X2 represents a divalent linking group;
- n2 is an integer of 0 or 1;
- Ar1 represents an aryl group or a heterocyclic group;
- and Ar2 represents an alkylene group, an arylene group, or a divalent triazine ring group;
- wherein, in formula (3), R4 represents a monovalent group;
- R5 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X3 represents a divalent linking group;
- n3 is an integer of 0 or 1;
- Ar3 represents an arylene group or a divalent heterocyclic group;
- and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group.
A color toner, comprising at least one dye represented by formula (1), (2) or (3):
- A—N═N—BX1n1B′—N═N—A′ Formula (1)
- wherein, in formula (1), A and A′ each independently represent an aryl group or a monovalent heterocyclic group;
- B and B′ each independently represent an arylene group or a divalent heterocyclic group;
- X1 represents a divalent linking group;
- n1 is an integer of 0 or 1;
- and at least one of A, B, A′, and B′ is a heterocyclic group;
- wherein, in formula (2), R2 represents a monovalent group;
- R3 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X2 represents a divalent linking group;
- n2 is an integer of 0 or 1;
- Ar1 represents an aryl group or a heterocyclic group;
- and Ar2 represents an alkylene group, an arylene group, or a divalent triazine ring group;
- wherein, in formula (3), R4 represents a monovalent group;
- R5 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X3 represents a divalent linking group;
- n3 is an integer of 0 or 1;
- Ar3 represents an arylene group or a divalent heterocyclic group;
- and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group.
A color filter, comprising at least one dye represented by formula (1), (2) or (3):
- A—N═N—BX1n1B′—N═N—A′ Formula (1)
- wherein, in formula (1), A and A′ each independently represent an aryl group or a monovalent heterocyclic group;
- B and B′ each independently represent an arylene group or a divalent heterocyclic group;
- X1 represents a divalent linking group;
- n1 is an integer of 0 or 1;
- and at least one of A, B, A′, and B′ is a heterocyclic group;
- wherein, in formula (2), R2 represents a monovalent group;
- R3 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X2 represents a divalent linking group;
- n2 is an integer of 0 or 1;
- Ar1 represents an aryl group or a heterocyclic group;
- and Ar2 represents an alkylene group, an arylene group, or a divalent triazine ring group;
- wherein, in formula (3), R4 represents a monovalent group;
- R5 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X3 represents a divalent linking group;
- n3 is an integer of 0 or 1;
- Ar3 represents an arylene group or a divalent heterocyclic group;
- and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group.
A bis-azo compound represented by formula (3):
- wherein, in formula (3), R4 represents a monovalent group;
- R5 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X3 represents a divalent linking group;
- n3 is an integer of 0 or 1;
- Ar3 represents a divalent heterocyclic group;
- and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group.
A bis-azo compound represented by formula (3):
- wherein, in formula (3), R4 represents a monovalent group;
- R5 represents a —OR6 group or a —NHR7 group in which R6 and R7 each represent a hydrogen atom or a monovalent group;
- X3 represents a divalent linking group;
- n3 is an integer of 0 or 1;
- Ar3 represents an arylene group or a divalent heterocyclic group;
- and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group, wherein, in formula (3), Ar3 is a thiadiazole ring.
Dependencies are inferred from the claim text.