摘要:
The invention provides a method for manufacturing a water-based dispersion of a self-dispersing polymer, including: obtaining a copolymer solution including a copolymer having a hydrophilic constituent unit and a hydrophobic constituent unit, and a solvent dissolving that dissolves the copolymer; obtaining a water-based dispersion of the copolymer through dispersion using the copolymer solution and water; and adding a water-soluble electrolyte selected from an acidic compound and the salt thereof to either or both of the copolymer solution and the water-based dispersion, as well as a water-based ink composition including the water-based dispersion, an ink set including the water-based ink composition, and an image forming method using the water-based ink composition or the ink set.
摘要:
An ink-jet recording method is provided. The ink-jet method includes recording an images by ejecting, onto a recording medium by an-inkjet method, a liquid composition containing polymer particles having a glass transition temperature (Tg) higher than the minimum film forming temperature (MFT), a hydrophilic organic solvent, a surfactant, and water under ejection conditions satisfying all of the following (1) to (3): (1) Tg>the temperature of the liquid composition at the time of ejection>MFT, (2) MFT>20° C., and (3) the temperature of the liquid composition at the time of ejection is 30° C. or higher.
摘要:
There are provided an ink composition including a coloring material, a hydrophilic organic solvent, polymer particles that have a minimum filming temperature (MFTdisp) of 60° C. or more when dispersed in water and that have a MFT 40° C. or more lower than the MFTdisp when mixed with water and 25 mass % of the hydrophilic organic solvent based on a solid content of the polymer, and water; an ink set including the ink composition and a treating liquid capable of forming an aggregate upon contact with the ink composition; and an ink-jet recording method using the ink composition or the ink set.
摘要:
An ink-jet recording method is provided. The ink-jet method includes recording an images by ejecting, onto a recording medium by an-inkjet method, a liquid composition containing polymer particles having a glass transition temperature (Tg) higher than the minimum film forming temperature (MFT) at least by 5° C., a hydrophilic organic solvent, a surfactant, and water under ejection conditions satisfying all of the following (1) to (3): (1) Tg>the temperature of the liquid composition at the time of ejection>MFT, (2) MFT>20° C., and (3) the temperature of the liquid composition at the time of ejection is 30° C. or higher.
摘要:
An ink set for inkjet recording is provided. The ink set includes: at least one kind of ink composition that contains self-dispersing polymer particles, a color material, a hydrophilic organic solvent and water; and a reaction liquid capable of forming an aggregate upon contact with the ink composition.
摘要:
The invention provides a water-based ink composition including: a water-based medium, a colored particle containing a pigment and a water-insoluble polymer dispersant, and a self-dispersing polymer particle including a hydrophilic constituent unit, and a hydrophobic constituent unit derived from alicyclic (meth)acrylate, as well as an ink set comprising the water-based ink composition, and an image forming method using the aqueaous ink composition or the ink set.
摘要:
An ink composition for ink-jet recording, including: coloring particles containing a pigment that is coated with a water-insoluble polymer dispersant, and self-dispersing polymer particles containing a first polymer which includes a constituent unit derived from a hydrophilic monomer and a constituent unit derived from a hydrophobic monomer, and which has a glass transition temperature from 150° C. to 250° C. and an I/O value of from 0.20 to 0.55; an ink set including the ink composition; and an image forming method using the ink set are provided.
摘要:
An ink set for ink jet recording including an ink composition containing a coloring material, and a polymer particle including 65 mass % or more of a constituent unit derived from a methacrylic acid derivative, and a treating liquid which forms an aggregate when contacted with the ink composition, and an ink jet recording method using the same are provided.
摘要:
An ink-jet ink composition comprising: a pigment, a polymer pigment dispersion, polymer particles, a hydrophilic organic solvent, water, and at least one of a water-soluble acidic compound having a molecular weight of 200 or less or a salt thereof in an amount of from 50 ppm to 1,000 ppm; an ink set that includes the ink-jet ink composition and a treatment liquid that forms an aggregate when contacted with the ink-jet ink composition; and an image forming method using the ink set.
摘要:
An ink-jet ink composition comprising: a pigment, a polymer pigment dispersion, polymer particles, a hydrophilic organic solvent, water, and at least one of a water-soluble acidic compound having a molecular weight of 200 or less or a salt thereof in an amount of from 50 ppm to 1,000 ppm; an ink set that includes the ink-jet ink composition and a treatment liquid that forms an aggregate when contacted with the ink-jet ink composition; and an image forming method using the ink set.