摘要:
The object of the present invention is to provide a water-based pigment dispersion containing a pigment, a dispersing agent, a resin emulsion, and water, the water-based pigment dispersion is subjected to a heat treatment. The present invention also provides a water-based pigment ink containing the water-based pigment dispersion, a dispersing agent, a resin emulsion, and water.
摘要:
The object of the present invention is to provide a water-based pigment dispersion containing a pigment, a dispersing agent, a resin emulsion, and water, the water-based pigment dispersion is subjected to a heat treatment. The present invention also provides a water-based pigment ink containing the water-based pigment dispersion, a dispersing agent, a resin emulsion, and water.
摘要:
The present invention provides a pigment dispersion that contains a carbon black, a dispersing agent and water, wherein the carbon black is any one of a channel black and a gas black, the dispersing agent is a sodium naphthalenesulfonate formalin condensate, and the total content of a dimer, a trimer and a tetramer of naphthalenesulfonate in the sodium naphthalenesulfonate formalin condensate is 20% by weight to 80% by weight. The present invention also provides an inkjet ink using the pigment dispersion.
摘要:
An inkjet ink including water; a particulate pigment; a dispersant; and an emulsion, wherein the particulate pigment has an average particle diameter (D50) not greater than 100 nm, and the standard deviation of particle diameter distribution of the particulate pigment is less than one half of the average particle diameter (D50). An inkjet cartridge containing the inkjet ink. An inkjet recording apparatus including the inkjet cartridge and a carriage configured to carry the ink cartridge. An inkjet recording method including discharging the inkjet ink from a nozzle of a recording head to form an ink image on a recording paper. An image formed on a recording material in accordance with the inkjet recording method.
摘要:
The present invention provides a pigment dispersion that contains a carbon black, a dispersing agent and water, wherein the carbon black is any one of a channel black and a gas black, the dispersing agent is a sodium naphthalenesulfonate formalin condensate, and the total content of a dimer, a trimer and a tetramer of naphthalenesulfonate in the sodium naphthalenesulfonate formalin condensate is 20% by weight to 80% by weight. The present invention also provides an inkjet ink using the pigment dispersion.
摘要:
The object of the present invention is to provide a water-based pigment dispersion containing a pigment, a dispersing agent, a resin emulsion, and water, the water-based pigment dispersion is subjected to a heat treatment. The present invention also provides a water-based pigment ink containing the water-based pigment dispersion, a dispersing agent, a resin emulsion, and water.
摘要:
A pigment dispersion including a pigment; a dispersant; and a dispersion medium including water, wherein the pigment is dispersed in the dispersion medium, wherein the average particle diameter D50 of the pigment is not greater than 50 nm and the standard deviation of the pigment particle diameter distribution thereof is less than the average particle diameter D50. An inkjet ink including the pigment dispersion and at least one of water, a water-soluble organic solvent and a surfactant. A method and apparatus for forming an image using the inkjet ink. An image produced by the image forming method and apparatus.
摘要:
A method for preparing a pigment dispersion including subjecting a mixture including at least a pigment, a dispersant and water to a first dispersion treatment using a media mill to prepare a first dispersion; and then subjecting the first dispersion to a second dispersion treatment using a media-less mill to prepare the pigment dispersion, wherein the pigment in the pigment dispersion has an average particle diameter (D50) of from 20 to 130 nm for pigments except carbon black or from 70 to 180 for carbon black, and the standard deviation of the particle diameter of the pigment is less than the average particle diameter (D50) for pigments except carbon black or one half of the average particle diameter (D50) for carbon black. A pigment dispersion prepared by the method. An inkjet ink including the pigment dispersion and one member selected from water, water soluble organic solvents, and surfactants.
摘要:
The object of the present invention is to provide a water-based pigment dispersion containing a pigment, a dispersing agent, a resin emulsion, and water, the water-based pigment dispersion is subjected to a heat treatment. The present invention also provides a water-based pigment ink containing the water-based pigment dispersion, a dispersing agent, a resin emulsion, and water.
摘要:
The present invention provides an inkjet ink containing at least a colorant, water, a water insoluble resin, a fluorine surfactant, and a polyether-modified silicone oil, wherein the polyether-modified silicone oil has a hydrophobic value of 0.40 to 1.5, and the hydrophobic value is expressed by Equation 1: Hydrophobic value=A/B Equation 1 where “A” represents an integration value of a peak area from 0 ppm to 0.3 ppm in a 1H-NMR spectrum of the polyether-modified silicone oil using tetramethylsilane as a reference substance; and “B” represents an integration value of a peak area from 3.5 ppm to 4.0 ppm in the 1H-NMR spectrum.
摘要翻译:本发明提供至少含有着色剂,水,不溶于水的树脂,氟表面活性剂和聚醚改性硅油的喷墨油墨,其中聚醚改性硅油的疏水性值为0.40〜1.5, 疏水值由等式1表示:疏水值= A / B等式1其中A表示使用四甲基硅烷作为参考的聚醚改性硅油的1 H-NMR光谱中0ppm至0.3ppm的峰面积的积分值 物质; B表示1H-NMR谱中峰面积为3.5ppm〜4.0ppm的积分值。