Gold nanoparticle-containing composition, gold nanoparticle-containing composition dispersion, ink, and toner
AssigneeCanon Kabushiki Kaisha
InventorsYUTAKA YOSHIMASA, TAKESHI YAMAMOTO
Life of this patent
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Abstract
Provided is a gold nanoparticle-containing composition excellent in storage stability. A gold nanoparticle-containing composition (100) includes: gold nanoparticles (10); and a zwitterionic compound (20) having a structure represented by any one of the following general formulae (1) to (3), the zwitterionic compound having an HLB value of 12 or less: in the general formulae (1) to (3), R1, R5, and R8 each independently represent an organic group, R2 to R4, R6, R7, and R9 to R11 each independently represent a hydrogen atom or an alkyl group, A1 to A5 each independently represent a linking group, and Y− represents COO− or SO3−.
Claims12
A gold nanoparticle-containing composition comprising:
- gold nanoparticles;
- and
- a compound having a structure represented by any one of the following general formulae (1) to (3), the compound having an HLB value of 12 or less:
- in the general formulae (1) to (3), R1, R5, and R8 each independently represent an organic group, R2 to R4, R6, R7, and R9 to R11 each independently represent a hydrogen atom or an alkyl group, A1 to A5 each independently represent a linking group, and Y− represents COO− or SO3−.
A gold nanoparticle-containing composition comprising:
- gold nanoparticles;
- and
- a polymer compound having a structure represented by any one of the following general formulae (4) to (6):
- in the general formulae (4) to (6), R12 to R19 each independently represent a hydrogen atom or an alkyl group, A6 to A10 each independently represent a linking group, Y− represents COO− or SO3−, and * represents a bonding site to a polymer main chain.
A gold nanoparticle-containing composition dispersion comprising:
- a dispersion medium;
- and
- a gold nanoparticle-containing composition dispersed in the dispersion medium,
- wherein the gold nanoparticle-containing composition includes gold nanoparticles and a compound having a structure represented by any one of the following general formulae (1) to (3), the compound having an HLB value of 12 or less:
- in the general formulae (1) to (3), R1, R5, and R8 each independently represent an organic group, R2 to R4, R6, R7, and R9 to R11 each independently represent a hydrogen atom or an alkyl group, A1 to A5 each independently represent a linking group, and Y− represents COO− or SO3−.
A gold nanoparticle-containing composition dispersion comprising:
- a dispersion medium;
- and
- a gold nanoparticle-containing composition dispersed in the dispersion medium,
- wherein the gold nanoparticle-containing composition includes gold nanoparticles and a polymer compound having a structure represented by any one of the following general formulae (4) to (6):
- in the general formulae (4) to (6), R12 to R19 each independently represent a hydrogen atom or an alkyl group, A6 to A10 each independently represent a linking group, Y− represents COO− or SO3−, and * represents a bonding site to a polymer main chain.
A toner comprising:
- a binder resin;
- and
- a gold nanoparticle-containing composition,
- wherein the gold nanoparticle-containing composition includes gold nanoparticles and a compound having a structure represented by any one of the following general formulae (1) to (3), the compound having an HLB value of 12 or less:
- in the general formulae (1) to (3), R1, R5, and R8 each independently represent an organic group, R2 to R4, R6, R7, and R9 to R11 each independently represent a hydrogen atom or an alkyl group, A1 to A5 each independently represent a linking group, and Y− represents COO− or SO3−.
Atoner comprising:
- a binder resin;
- and
- a gold nanoparticle-containing composition,
- wherein the gold nanoparticle-containing composition includes gold nanoparticles and a polymer compound having a structure represented by any one of the following general formulae (4) to (6):
- in the general formulae (4) to (6), R12 to R19 each independently represent a hydrogen atom or an alkyl group, A6 to A10 each independently represent a linking group, Y− represents COO− or SO3−, and * represents a bonding site to a polymer main chain.
Dependencies are inferred from the claim text.