御国色素 List of Products and Services

Our company offers "nano-dispersion technology for pigments and functional powders" to improve the ease of handling and functionality of difficult-to-disperse materials. By controlling aggregated particles at the nano level through "micronization technology" and achieving uniform dispersion in the medium through "dispersion stabilization technology," it is possible to bring out the inherent functions of the materials. ★ We are currently also working on the emulsification of bioplastics. This can be used as a coating agent for various substrates. Please utilize it for achieving SDGs, contributing to plastic reduction, and developing environmentally friendly products. 【Features】 ■ Can be applied to paper, film, fabric, etc. ■ Particles can be micronized to a diameter of 1.5 to 5 μm ■ Usable in adhesives, paints, writing instruments, etc. ■ Can provide water and oil resistance ■ Biomass plastics and biodegradable plastics are also available * You can view materials introducing our technology and dispersion examples, including documents on bioplastics, from the "PDF Download."

• others

Our company offers "nano-dispersion technology for pigments and functional powders" to improve the handling and functionality of difficult-to-disperse materials. By utilizing "micronization technology" to control aggregated particles at the nano level and "dispersion stabilization technology" to uniformly disperse fine particles in a medium, we can bring out the inherent functions of the materials. <Dispersion liquid for inkjet (IJ) inks> In addition to reducing nozzle clogging, this dispersion liquid is suitable for inks on non-penetrable substrates such as films, and can enhance the following qualities: - Organic solvent resistance - Dry/wet abrasion resistance - White dispersion liquid compliant with Swiss Ordinance *Dispersion liquids suitable for the substrate's receiving layer are also available. The catalog includes general-purpose products, and we can customize them according to your requests. *You can view detailed information about our technology and dispersion examples in the materials available for "PDF download."

• Other polymer materials

This document introduces the ultraviolet absorbers "zinc oxide dispersion" and "benzoxazine dispersion." It includes information on the "physical properties," "transmittance," "absorbance," and "weather resistance" of zinc oxide and benzoxazine dispersions. By micronizing the ultraviolet absorber particles and using them as cut particles at a wavelength of 380nm, high weather resistance can also be achieved. Please take a moment to read it. [Contents] ■ Physical properties of zinc oxide and benzoxazine dispersions ■ Transmittance of zinc oxide and benzoxazine dispersions ■ Absorbance of benzoxazine dispersion ■ Weather resistance of zinc oxide and benzoxazine dispersions *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

Our company offers "nano-dispersion technology for pigments and functional powders" to improve the handling and functionality of difficult-to-disperse materials. By utilizing "micronization technology" to control aggregated particles at the nano level and "dispersion stabilization technology" to uniformly disperse fine particles in a medium, it is possible to bring out the inherent functions of the materials. We can custom-make products tailored to our customers' needs, such as dispersion liquids for inkjet pigments that reduce nozzle clogging and dispersion liquids for color filters in liquid crystal displays that suppress fading. 【Development Examples】 ◎ Pigment dispersion liquid for color filters in liquid crystal displays ◎ Pigment dispersion liquid for inkjet applications ◎ Pigment dispersion liquid for exterior wall paints ◎ Pigment dispersion liquid for writing instruments ◎ Pigment dispersion liquid for paper coloring ◎ Pigment dispersion liquid for paints ◎ Conductive material dispersion liquid for positive electrodes in secondary batteries, etc. *You can view detailed information about our technology and dispersion examples in the materials available for download via "PDF Download."

• Other polymer materials

This document introduces a "thermal conductive filler" dispersion. The main applications of thermal conductive fillers include their use in molded products such as heat sinks and heat dissipation substrates. By slurrying thermal conductive ceramics, the potential for use in "thermal conductive adhesives, paints, films, coatings, and sheets" is expanded. The document provides detailed information on the various properties of thermal conductive fillers, including a dispersion of spherical alumina nanoparticles, using diagrams and photographs. We encourage you to read it. [Contents (partial)] ■ Applications of thermal conductive fillers ■ Properties of thermal conductive fillers ■ Dispersion of spherical alumina nanoparticles ■ Boron nitride dispersion ■ Flaky boron nitride dispersion ■ Spherical nanoparticle boron nitride dispersion (development product) *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

The benefits of our dispersion include the ability to break down aggregates and approach single particles, and the possibility of achieving high concentrations through the formulation and dispersion conditions of the dispersion liquid. Our dispersion liquid has a sharp and low coarse particle distribution, confirming comparable heat resistance to commercial products. Through our proprietary technology, we can identify coarse particles using image analysis particle size distribution measurement. We believe that further improvement in top-cut accuracy is possible through the optimization of the dispersion process and filtering. 【Benefits of Our Dispersion】 ■ Uniformity of particles ■ Stabilization of fine particles ■ High concentration ■ Coarse particle cut ■ Particle size management (development stage) *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

This document introduces electrically controlled filler dispersions. It includes a product lineup featuring "MHI Black #RK-034," "MHI Black #273," and "MHI Black #RK-045," as well as results from measurements of surface resistance values obtained by varying pigment concentrations in the coating film, presented in tables. We control conductivity to solve challenges. We invite you to read it. 【Contents】 ■ Product lineup of electrically controlled fillers ■ Product lineup of electrically controlled filler dispersions ■ High-resistance CB dispersions ■ Introduction of new items under consideration *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

Our "Water-Based Conductive Series" is a water-based conductive processing pigment that provides high conductivity and static electricity prevention effects. In other words, we have processed high-quality, reliable carbon-based pigments as conductive materials using our ultra-fine particle technology to disperse them in water. By selecting the series that suits your intended use, you can utilize it as paint, adhesive, coating agent, etc., with conductivity and static electricity prevention effects suitable for a wide range of applications. 【Product Lineup】 ■ SP Black AS-1192 ■ PSM Black AS-1193 ■ SA Black #0077 *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

To fully utilize the capabilities of functional materials, technology that allows for uniform dispersion is necessary. Our company specializes in technology for uniform and fine particle dispersion, and we can customize designs to be compatible with the resins you are considering for use. For example, our "High Refractive Index Nanoparticle Dispersion" achieves both refractive index and transparency. It has good compatibility with UV-curable acrylate resins, and customization is possible according to your requirements. [Features] - Achieves both refractive index and transparency - Good compatibility with UV-curable acrylate resins - Customization available according to your needs *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

Our company has developed a solvent-free slurry with a focus on the environment and energy conservation. We are capable of providing high-concentration, uniform pigment dispersions that are dispersed down to submicron levels. Due to the high concentration, ink design is easy and the range of applications is broad, making it suitable not only for coloring purposes but also for dispersing functional materials. 【Features】 ■ Capable of providing high-concentration, uniform pigment dispersions dispersed down to submicron levels ■ Development of dispersions with specified monomers ranging from monofunctional to multifunctional ■ Good IJ ejection stability due to the fine particle size achieved through dispersion ■ Easy ink design and broad applicability due to high concentration ■ Suitable for coloring purposes as well as dispersing functional materials (functional materials: metal oxides, organic compounds, etc.) *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"NJ Color" is a water-based processing pigment made of fine particles. In particular, it has been processed to remove coarse particles and stabilize in water-soluble organic solvents, allowing for safe use without concerns about nozzle clogging or long-term storage. In addition to the four primary colors (Yellow, Magenta, Cyan, Black), we also offer Orange and Green, enabling a wide range of color reproduction. 【Features】 ■ Achieves more vivid and transparent colors than conventional products ■ Less likely to cause nozzle clogging in printers ■ Good compatibility with ink solvents and excellent long-term storage stability ■ Provides significant coloring effects with a small amount of additive ■ In addition to the high durability of the pigment, it imparts transparency, clarity, and high coloring power *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

We would like to introduce our "HIGH JET BLACK Series." "MHI-BLACK COLOR" is an oil-based pigment dispersion that has been optimized through the careful selection of pigments and dispersants, as well as process optimization. It is extremely black and maintains its darkness even at high concentrations. "SS BLACK COLOR" can be used as a dispersion for high-grade water-based paints that require a particularly luxurious "black." We offer a variety of different types of dispersants, expanding the matching options with various varnishes you may use. 【Features】 <Solvent-based High Jet Black Dispersion "MHI-BLACK COLOR"> ■ Maintains darkness even at high concentrations ■ Low haze and high transparency allow the base to shine through ■ Excellent compatibility with various resins ■ The pigment is finely and uniformly dispersed, resulting in a beautiful film ■ The pigment is finely dispersed, providing excellent storage stability *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"MHI Color" is a low-viscosity type of micro-particle dispersion processing pigment, composed primarily of pigments, polymer-based dispersants, and organic solvents. Due to the pigments being micro-particles and evenly dispersed, it excels in color reproducibility. The general-purpose grade includes a variety of dispersion pigments using MEK as a medium, and we also accept product design requests using various organic solvents according to customer needs. Please feel free to contact us when you need assistance. 【Features】 ■ Excellent compatibility with various resins ■ Minimal reduction in coating properties of various resins ■ Superior color reproducibility due to the micro-particle and uniform dispersion of pigments ■ Excellent storage stability due to the dispersion of pigments in micro-particles *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"SA Color" is a water-based micro-pigment dispersion that disperses various pigments into water using polymer-based dispersants. Since dispersants and additives that are undesirable for film formation have been minimized as much as possible, their impact on strength and properties is minimal. By using pigments with excellent durability such as light resistance, water resistance, and solvent resistance, durable colored products can be obtained. Additionally, the compatibility with various vehicles is good, which improves work efficiency. 【Features】 ■ Durable colored products can be obtained ■ Excellent fluidity and storage stability, easy to handle ■ Good compatibility with various vehicles, improving work efficiency ■ Significant coloring effect achieved with a small amount of additive ■ Easy formulation and color matching of SA Colors *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"High Micron K Color" is a water-based processing pigment made of ultra-fine particles. Compared to conventional pigment dispersions, it has undergone advanced micronization and does not contain coarse particles, making it suitable for use as an alternative to dyes that have a high environmental impact. Its features include high durability, which is a strength of pigments, and the achievement of micronization compared to previous pigments, resulting in transparency, clarity, and coloring power that are closer to those of dyes. Therefore, it is a suitable grade for replacement of dyes. 【Features】 ■ Micronized dispersion of various pigments in water using polymer dispersants ■ Provides colored materials with superior clarity and transparency compared to conventional products ■ Excellent fluidity and storage stability, making it easy to handle ■ Good compatibility with various vehicles, improving work efficiency ■ Achieves significant coloring effects with a small amount of additive *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"SP Color" is a water-based dispersion pigment that uses pigments with superior fastness compared to direct dyes and basic dyes, and is uniformly dispersed as fine particles in water. Since the pigment is dispersed as fine particles in water, it can color pulp evenly without unevenness, resulting in low foaming and excellent workability. Leveraging the excellent fastness of the pigments, it can be widely used for pulp coloring in high-quality colored paper, file base paper, fruit bag paper, decorative board paper, rice paper, Indian paper, wrapping paper, paper tatami, wallpaper, and more. 【Features】 ■ Can color pulp evenly without unevenness ■ Superior in various fastness compared to dyes ■ Low foaming and excellent workability ■ A wide variety of options available according to application ■ Allows for free color creation through combinations of different colors ■ Can be used in combination with dyes *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

We would like to introduce our water-based fine particle pigment dispersions, "PSM GP Color." "PSM Color" disperses various pigments into fine particles in water using nonionic dispersants, while "GP Color" disperses various pigments into fine particles in water using nonionic surfactants and polymer-based dispersants. We use pigments with excellent durability in light resistance, water resistance, and solvent resistance, allowing for durable colored products. They also have good compatibility with various vehicles, improving work efficiency. 【Features】 ■ Durable colored products can be obtained ■ Excellent fluidity and storage stability, making them easy to handle ■ Good compatibility with various vehicles, improving work efficiency ■ Significant coloring effect with a small amount of addition ■ Easy to blend and adjust colors between PSM and GP Colors *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials

"ZA Color" is a paste-like coloring agent that uses a polyether polyol as a toner base and disperses various pigments at a high concentration. The molecular weight of the toner base is 2000, and the OH value is 56. It has excellent long-term storage stability, and the pigments selected do not have issues with weather resistance. It can be widely used as a coloring agent for urethane-based flooring materials, waterproofing materials, and foamed products. 【Features】 ■ Easy to mix into the resin, providing excellent workability ■ Excellent long-term storage stability ■ No impact on physical properties such as bleeding compared to plasticizer-based coloring agents ■ Pigments selected do not have issues with weather resistance ■ Custom color matching is also possible upon request *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"PVW Color" is a paste-like coloring agent that uses DINP as a toner base and disperses carefully selected organic and inorganic pigments at a high concentration. It has excellent long-term storage stability and good compatibility with various resins and solvents. It can be used as a coloring agent for urethane resins, soft PVC, sealing materials, and more. 【Features】 ■ Easy to mix into resins, providing excellent workability ■ Excellent long-term storage stability ■ Good compatibility with various resins and solvents ■ Can accommodate requests for specific hues *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"PL Color" is a paste-like coloring agent that uses castor oil as a toner base and disperses various pigments at a high concentration. It is easy to mix into resins and has excellent workability, with pigments selected for their weather resistance. The OH value of the toner base is between 155 and 177, making it suitable for use as a coloring agent in nitrocellulose lacquers and urethane resins. 【Features】 - Easy to mix into resins with excellent workability - Excellent long-term storage stability - Pigments selected for their weather resistance - OH value of the toner base is between 155 and 177 - Can accommodate requests for specific hues *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"EM Color" is a paste-like coloring agent in which carefully selected pigments are dispersed at high concentration in epoxy resin with long-term storage stability. It does not inhibit or promote the curing reaction, making it easy to mix into the resin. It can be used as a coloring agent for epoxy resins in flooring materials, anti-corrosion paints, and various epoxy resin molded products. 【Features】 ■ Does not inhibit or promote the curing reaction ■ Excellent long-term storage stability ■ Easy to mix into the resin ■ Pigments are carefully selected to ensure heat resistance and weather resistance ■ Custom color matching is also possible upon request *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

Our company offers dispersions of cosmetic-grade pigments that are stabilized in water. The raw materials used in our cosmetic pigment dispersions comply with the cosmetic category approval standards in Japan and are suitable for use in eyeliners (with some exceptions), allowing our cosmetic pigment water dispersions to be incorporated into almost all cosmetics. We offer a lineup that includes "MCD Color," "K2, LM, PE Color," "LM Color (development product)," and "PE Color," which provide significant coloring effects with a small amount of pigment. 【Features】 ■ Complies with cosmetic category approval standards in Japan ■ Can be incorporated into almost all cosmetics ■ All products are free from parabens (some paraben types are available) ■ All our water dispersions are water-based pigment dispersions with excellent flowability and storage stability ■ Easy to handle, improving work efficiency *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials

"PE-BLACK15AD-T" is a type of carbon black that is stably dispersed in water at a high concentration and in fine particles, certified by the FDA. By simply adding emulsions or resins, it can be used in ink-filled brush pen-type eyeliners. It is a water-based pigment dispersion with excellent fluidity and storage stability, making it easy to handle and improving work efficiency. 【Features】 ■ Stable dispersion of cosmetic-grade pigments in water ■ Can be used in ink-filled brush pen-type eyeliners by simply adding emulsions or resins ■ Water-based pigment dispersion with excellent fluidity and storage stability ■ Easy to handle, improving work efficiency *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"JA Color" is a dispersion liquid for high blackness water-based paints, particularly sought after for its luxurious "blackness." It offers a lineup of different types of dispersants, expanding the matching options with various varnishes you may use. 【JA Color Features】 ■ Ultra-fine particles ■ Low viscosity with good long-term stability ■ Excellent transparency and deep blackness ■ Selectable according to the type of varnish ■ The pigment is finely and uniformly dispersed, resulting in a beautiful paint film *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"MHI Color" is a solvent-based high jet black dispersion that is an oil-based pigment dispersion, achieved through the pursuit of black, suitable selection of pigments and dispersants, and optimization of the process. We also accept product design using various organic solvents according to customer requests. [MHI Color Features] ■ Extremely black ■ Maintains blackness even at high concentrations ■ Low haze and high transparency allow the underlying layer to shine through ■ Excellent compatibility with various resins ■ The pigment is finely and uniformly dispersed, resulting in a beautiful coating ■ The pigment is dispersed in fine particles, providing excellent storage stability *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

We would like to introduce our "Silver-based Inorganic Particle Slurry." We offer a lineup that includes "SS-756" with a viscosity of 700 mPa·s, a particle size of 1.2 μm, and a dispersion medium of water, as well as "MHI Filler #C773" with a viscosity of 1.6 mPa·s, a particle size of 0.3 μm, and a dispersion medium of MEK. You can view the experimental data for each performance by downloading the materials. 【Features】 ■ High heat resistance ■ Safety ■ Sustainability ■ Handleability *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials

In our country, we are conducting research and development on lithium-ion battery materials, which are expected to be the "last bastion" of Japan's core industries. We have developed a dispersion liquid that improves the dispersibility of carbon black and carbon nanotubes (CNTs). By using this dispersion liquid, we can manufacture lithium-ion batteries with reduced quality variation, good yield, high discharge capacity, and minimal cycle degradation. Our company responds to customer needs with functional pigment dispersion liquids using our unique microparticle and dispersion stabilization technology, so please feel free to contact us. [Features] ■ We provide dispersion liquids for secondary battery positive electrodes that have small quality variation, good yield, high discharge capacity, and minimal cycle degradation. *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Lithium-ion battery

In the field of organic pigments used in writing instruments and origami, as well as cosmetics and building materials, we conduct extensive research. We have diligently researched the micronization, dispersion, and stabilization technologies of pigment dispersion liquids, solving various issues related to pigmenting inks for writing instruments. Our pigment dispersion liquids for various writing instruments such as ballpoint pens, sign pens, and markers have received high market evaluations. Additionally, we also offer "pigment dispersion liquids for paper coloring" and "pigment dispersion liquids for paints." 【Product Lineup】 ■ Pigment dispersion liquids for writing instruments ■ Pigment dispersion liquids for paper coloring ■ Pigment dispersion liquids for paints *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• Ink/Toner

The "inkjet printer" as a recording method has garnered attention for its quiet operation and low running costs, leading to the proposal of various compositions of inkjet inks. At our company, we have been diligently conducting research and have successfully developed inkjet inks that can continuously produce prints without nozzle clogging, without bleeding, and with stable distortion. These inks exhibit dye-like color development while also being excellent in water resistance and long-term storage stability. In recent years, we have been focusing our research on inkjet pigment inks, which are increasingly expanding in application. 【Features】 - Achieves a balance between glossiness of color images, bronze prevention, and storage stability of the ink composition. - Clears many trade-off quality requirements, such as color development on recording media, adhesion, gas resistance, as well as long-term storage stability and ejection stability of the ink with a high balance. *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Ink/Toner

Our company produces and provides colored dispersions for color resist and black matrix, playing a crucial role in determining the color tone of liquid crystal displays. Color filters are created by applying black matrix and the three primary colors—red, green, and blue—on a glass substrate. Additionally, our developed pigments feature extremely fine particles and high light transmittance, which enhances the brightness of the backlight and enables clear color reproduction. [Our Development Technology] - We pursue the micronization and dispersion stabilization of pigments to the extreme, developing high-color-performance pigment dispersions for color filters. - This suppresses performance degradation during the color resist process at customer sites. - For black matrix, we developed a pigment dispersion using "insulating carbon black," which is a modified form of conductive material carbon black. - This is widely used in high-opacity black matrices that require insulation. *For more details, please download the PDF or feel free to contact us.

• Other polymer materials