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US 12,163,086 B2Granted
Dispersant and composition
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsYoung O Kim, Chang Hyun Yoon, Eun Jung Lim, Jung Hyun Lee, Choon Keun Lee
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a dispersant containing a specific compound having a fluorene skeleton, and a composition using the same.
Claims20
A dispersant comprising a compound represented by the following Chemical Formula 1:
- wherein each of X1 and X2 is an aromatic ring, each of R1, R2, R3 and R4 is a substituent, each of a, b, c, and d is an integer of 0 to 4, each of R5 and R6 is an aliphatic chain, each of n and m is an integer of 2 to 20, each of Y1 and Y2 is a bonding group represented by the following Chemical Formula 2, and each of Z1 and Z2 is a terminal group represented by the following Chemical Formula 3 or 4,
- wherein R7 is an O, N, or S atom, R8 is an aliphatic chain, and —* represents a site for linking to Z1 or Z2,
- wherein R9 is an aliphatic chain,
- wherein R10 is an aliphatic chain, and
- wherein at least one of R1, R2, R3 and R4 in Chemical Formula 1 is selected from the group consisting of a halogen group, a cyano group, a nitro group, a hydroxy group, a C1 to C10 alkyl group, a C1 to C10 alkoxy group, a C2 to C10 alkene group, a C2 to C10 alkyne group, and a C4 to C10 alkenyne group.
2 more elements
A dispersant comprising a compound represented by the following Chemical Formula 1:
- wherein each of X1 and X2 is an aromatic ring, each of R1, R2, R3 and R4 is a substituent, each of a, b, c, and d is an integer of 0 to 4, each of R5 and R6 is an aliphatic chain, each of n and m is an integer of 2 to 20, each of Y1 and Y2 is a bonding group represented by the following Chemical Formula 2, and each of Z1 and Z2 is a terminal group represented by the following Chemical Formula 3 or 4,
- wherein R7 is an O, N, or S atom, R8 is an aliphatic chain, and —* represents a site for linking to Z1 or Z2,
- wherein R9 is an aliphatic chain,
- wherein R10 is an aliphatic chain,
- wherein at least one of X1 and X2 in Chemical Formula 1 is selected from the group consisting of a benzene ring, a naphthalene ring, and a biphenyl ring,
- wherein at least one of R5 and R6 in Chemical Formula 1 is a C2 to C6 saturated hydrocarbon chain,
- wherein in Chemical Formula 2, R7 is an O atom and R8 is a C2 to C6 saturated hydrocarbon chain,
- wherein R9 in Chemical Formula 3 is a C2 to C6 saturated hydrocarbon chain, and
- wherein R10 in Chemical Formula 4 is a C2 to C6 saturated hydrocarbon chain.
6 more elements
Dependencies are inferred from the claim text.