Abstract:
The invention provides a block polymer compound enabling satisfactory dispersion of a colorant in a solvent, and an ink composition containing such block polymer compound. The block polymer compound of the invention is a block polymer compound having at least three block segments, comprising block segments A, B and C arranged in succession, wherein the block segment C is most solvent attractive while the block segment A is most solvent repulsive, and at least either one of the block segments includes an ionic group or an acidic group.
Abstract:
A polymer having a specific repeating structural unit having in the side chain at least one selected from a sulfonic acid, a sulfonic acid ester and a sulfonic acid salt and a specific repeating structural unit having in the side chain at least one selected from a carboxylic acid, a carboxylic acid ester and a carboxylic acid salt.
Abstract:
A dispersible composition that comprises a polymer compound, a functional substance such as a colorant, and a solvent or a dispersion medium, where the polymer compound is comprised of a monomer unit represented by the general formula (1) wherein A is a straight-chain or branched alkylene group of 1 to 15 carbon atoms with or without substitution; m is an integer of 0 to 30, and when m is 2 or more, A is the same or different each other; B is a single bond or an alkylene with or without substitution; D is a substituted or unsubstituted aromatic ring structure; n is an integer of 1 to 10, and when n is 2 or more, D is the same or different with each other. The composition is usable as an ink composition or toner composition.
Abstract:
A composition comprises a non-aqueous solvent containing reverse micelle particles formed of block polymers having amphipathic properties. A particle composition and a composition wherein particles are dispersed, which exhibits excellent dispersion properties and can form superbly uniform particles, is provided. Further, display elements, a recording method, and recording apparatus, which employ the composition having excellent dispersion properties and forming superbly uniform particles, are provided.
Abstract:
Disclosed herein is a process for producing a three-dimensionally structured material, which comprises the steps of preparing a liquid composition comprising a block polymer and a liquid medium, and imparting a stimulus to the liquid composition to modify the block polymer, thereby forming the three-dimensionally structured material.
Abstract:
A composition containing a polymer compound and medium being a solvent or a binder resin, wherein the polymer compound comprises monomer units represented by the general formula (1): wherein A is a straight-chain or branched alkylene group of 1 to 15 carbon atoms, which may be substituted; m is an integer of 0 to 30, and; B is a single bond or alkylene, which may be substituted; D is an aromatic ring structure; n is an integer of 1 to 10, and R is a hydrogen atom, an alkyl group, which may be substituted, an aromatic ring structure, or a mono- or poly-valent metal cation.
Abstract:
A block polymer compound containing block segments, characterized in that at least one hydrophilic segment among the block segments is a copolymer segment composed of an ionic or hydrophilic repeating unit structure and a hydrophobic repeating unit structure.
Abstract:
A polymer having a specific repeating structural unit having in the side chain at least one selected from a sulfonic acid, a sulfonic acid ester and a sulfonic acid salt and a specific repeating structural unit having in the side chain at least one selected from a carboxylic acid, a carboxylic acid ester and a carboxylic acid salt.
Abstract:
An amphiphilic block copolymer having an ionic functional group, wherein the ratio (N10/N5) of a rotational viscosity (N10) of a 10% by mass solution of the copolymer in purified water to a rotational viscosity (N5) of a 5% by mass solution of the copolymer in purified water is 2.5 or lower.
Abstract:
There is provided a polymer compound including a repetitive unit structure represented by the following general formula (2): General formula (2): (where X′ represents a polyalkenyl group; A represents a linear or branched alkylene group having a carbon atom number of 1 to 15, which may be substituted; m represents an integer of 0 to 30; B represents a single bond or an alkylene group which may be substituted; D represents an aromatic ring structure which may be substituted; n represents an integer of 0 to 10; and R represents a hydrogen atom, an alkyl group which may be substituted, or an aromatic ring structure which may be substituted). The polymer compound is suitable for improving dispersibility of a coloring material or solid material in an ink composition or toner composition.