EZHOU ANJEKA TECHNOLOGY CO.,Ltd

Anjeka Experimental Report (No.: 2025051003) Testing the Effect of Dispersants on the Storage Stability of Water-Based Inkjet Inks Experiment Item: Testing the Storage Stability of Water-Based Inkjet Inks Experiment Category: Dispersant Testing Experimenter: Shan Chen, Technical Department Submission Date: May 15, 2025 Abstract Water-based inkjet inks were prepared using Anjikang dispersants. The stability of the inks was evaluated by measuring the particle size and viscosity of the colorant in the inks, as well as the particle size, viscosity, and centrifugal color development after thermal storage. The experimental results indicate that the water-based inkjet ink prepared with Anjeka 6612 dispersant exhibits the best storage stability. Keywords: dispersant; particle size; viscosity 1. Experimental Objective To prepare inks using Anjeka dispersants for dye dispersion, and to evaluate the stability of the prepared inks by testing particle size, viscosity, filtration residue, and centrifugal color development. 2. Experimental Protocol Materials: Dyes (60 Red, 54 Yellow, 360 Blue), Anjeka dispersants, purified water, co-solvent, wetting agent. Instruments: Nano bead mill, high-speed disperser, nanoparticle size analyzer, rotational digital viscometer, oven, centrifuge, filtration equipment (Büchner funnel, vacuum pump). Preparation of Dye Paste: Purified water, co-solvent, wetting agent, and dispersant were mixed in a certain proportion until homogeneous. The dye was then added and dispersed uniformly, followed by grinding using a nano bead mill. Preparation of Ink: Purified water, co-solvent, wetting agent, and the dye paste were mixed in a certain proportion until homogeneous, followed by dispersion using a high-speed disperser. Thermal Storage: The inks were stored in an oven at 60°C for 14 days. Particle Size Measurement: The ground slurry was diluted 10,000 times with purified water. The particle size distribution of the dye in the diluted ink was measured using a nanoparticle size analyzer. Viscosity Measurement: The viscosity of the inks was measured at 25°C using a rotational viscometer. Filtration Test: A 1 μm pore size filter membrane was placed tightly on a Büchner funnel, and vacuum filtration was performed. Residue on the filter membrane was observed. Centrifugation Test: The inks were centrifuged at 3000 rpm for 30 minutes, and the color development difference between the upper and lower layers was compared. 3. Experimental Formulations and Methods Table 1. Dye Paste Formulation Raw Material Amount Remarks Purified Water 34.7   Co-Solvent 5 Glycerol Wetting Agent 0.3 Anjeka 7414 Dispersant 30 Anjeka 6612 Dye 30 60 Red, 54 Yellow, 360 Blue Total 100       The dye paste was prepared according to the formulation in Table 1 above and ground using a nano bead mill at 2800 rpm for 6 hours.   Table 2. Ink Formulation Raw Material 60 Red   54 Yellow, 360 Blue Remarks Purified Water 30.3 43.3 37.3   Glycerol 9 9 9   Ethylene Glycol 28 28 28   Ethylene Glycol Butyl Ether 1 1 1   7412 0.2 0.2 0.2 Anjeka Wetting Agent E-65 1.5 1.5 1.5 Wetting Agent Dye Paste  30 17 23 prepared with Anjeka 6612 Total 100 100 100       The inks were prepared according to the formulation in Table 2 above and dispersed using a high-speed disperser at 1000 rpm for 10 minutes.     3.1.1 Experimental Results and Discussion Particle Size Distribution Comparison of Dye Pastes particle size(nm) Z-Avg (nm) PDI D50 D90 D100   60 Red Initial 119.94 0.322 127.31 241.04 476.29 After 7 days thermal storage 125.68 0.269 125.22 288.52 551.73   54 Yellow Initial 118.18 0.164 119.65 197.66 307.16 After 7 days thermal storage 122.84 0.174 120.82 188.13 297.55   360 Blue Initial 107.6 0.264 118.25 246.85 651.73 After 7 days thermal storage 109.34 0.345 137 286.67 662.38 As shown in the table above, the particle size of the dye pastes prepared with Anjeka 6612 showed almost no change before and after thermal storage.   Particle Size Distribution Comparison of Inks particle size(nm) Z-Avg (nm) PDI D50 D90 D100   60 Red Initial 123.29 0.238 125.27 236.7 557.15 After 7 days thermal storage 146.42 0.26 113.98 183.12 557.15 After 14 days thermal storage 150.29 0.21 172.8 294.62 557.15   54 Yellow Initial 119.15 0.33 155.97 286.28 651.73 After 7 days thermal storage 158.56 0.19 149.55 283.24 651.73 After 14 days thermal storage 149.46 0.092 136.59 212.17 651.73   360 Blue Initial 108.29 0.323 90.82 182.22 651.73 After 7 days thermal storage 150.93 0.155 143.05 251.28 651.73 After 14 days thermal storage 148.69 0.156 148.6 247.56 651.73     As shown in the table above, the particle size of the inks prepared with Anjeka 6612 showed almost no change before and after thermal storage.   Ink Viscosity Comparison During Storage Viscosity (mPa·s) at 25°C 60 Red 54 Yellow 360 Blue Initial Viscosity 9 4 4 After 7 Days Thermal Storage 8 7 4 After 14 Days Thermal Storage 5 5 4   As shown in the table above, the viscosity of the inks prepared with Anjeka 6612 showed little change before and after thermal storage.   Filtration Test 100 g of ink was poured into a Büchner funnel and vacuum filtration was performed. The time required for the funnel to run dry was recorded.   Filtration Time (seconds) Filtration Residue After 7 Days Thermal Storage 15 No flocculation residue After 14 Days Thermal Storage 15 No flocculation residue     The ink exhibited a fast filtration rate after thermal storage, and no residue was observed on the filter membrane following filtration. This indicates that no flocculation or agglomeration leading to the formation of large particles occurred in the ink.   After the inks were subjected to thermal storage at 60°C for 14 days and then centrifuged at 3000 rpm for 30 minutes, the color development of the upper layer and the bottom layer was consistent, indicating that the inks did not stratify.   4. Experimental Conclusion The water-based inkjet ink prepared with Anjeka 6612 exhibits good storage stability, as summarized below: For the dye pastes and inks prepared with Anjeka dispersant 6612 using different dyes (60 Red, 54 Yellow, and 360 Blue), both the particle size and viscosity showed little change before and after thermal storage. The inks prepared with Anjikang dispersant 6612 exhibited fast filtration rates after thermal storage, with no residue or flocculation observed on the filter membrane. After thermal storage and centrifugation, the color development of the upper layer and the bottom layer of the inks prepared with Anjekadispersant 6612 remained consistent, confirming that the inks did not stratify.    

 EZHOU ANJEKA TECHNOLOGY CO.,Ltd Experimental Record Sheet Experiment Title  Screening of Dispersants for Aqueous Carbon Nanotubes Temperature / Humidity 23°C / 47% RH Customer  / Applicant  Chen Experiment Date  March 23, 2026     Experimental Objective: Customer requirements: D90 particle size: < 300 nm Total solid content: > 8.5% Viscosity: 2000–5000 cPs Dispersion medium: Deionized water Color Paste Formulation           Deionized Water 87             Wetting Agent 0.5 7414           Dispersant 7.5 6871 6881 6272 6240-50     Multi-Walled Carbon Nanotubes (MWCNTs) 5                             Experimental Method Samples were prepared using various dispersants. Glass beads were added and the mixtures were ground using a machine. The resulting samples were then tested and compared for various properties.   Test Results     Appearance D90 Particle Size (nm) Solid Content (%) Viscosity       6871 Severe pseudoplasticity, no flow 552.05 7.8 Severe pseudoplasticity, no flow       6881 Slight stirring restores fluidity 162 11 1562       6272 Slight stirring restores fluidity 11260 11 2403       6240-50 Slight stirring restores fluidity 12027 8 384.5                                                       实验结论:6881合格

How Does CPT Block Copolymer Technology Solve the Dispersion Stability Challenge in Water-based Dye Inks? In fields like digital textile printing and high-end signage, water-based disperse dye inks are rapidly gaining ground due to their vibrant colors and eco-friendly profile. However, the journey from dye powder to a stable, homogeneous ink is fraught with challenges: How to stably disperse nano-sized dye particles to prevent agglomeration and nozzle clogging? How to ensure batch-to-bitch color consistency and avoid sedimentation and color shifts after storage? The key to these problems often lies in a critical additive—the dispersant. Today, we delve into how a dispersion solution based on CPT block copolymer technology provides the foundational support for the high performance and stability of water-based dye inks.   I. The "Stringent" Demands of the High-Precision Inkjet Era on Dye Inks Inkjet printing technology is evolving towards higher precision, faster speeds, and broader substrate compatibility. This translates to near-rigorous physicochemical requirements for inks, especially water-based disperse dye inks: an extremely narrow particle size distribution (often requiring D90 < 200nm), excellent long-term storage stability (no viscosity increase, no sedimentation), outstanding color strength and transparency, and reliable jetting performance without clogging. Any instability in dispersion can lead to nozzle blockages, color banding, and inconsistent print quality, directly impacting production efficiency and end-user trust.   II. Steric Hindrance: The Core Mechanism for High-Stability Dispersion For water-based systems, especially those with high pigment/dye loading, electrostatic stabilization alone is often insufficient. The more reliable mechanism is steric hindrance. This mechanism requires the dispersant molecule to have a specific structure: one end contains powerful anchoring groups that firmly adsorb onto the dye particle surface; the other end consists of long-chain solvated tails composed of hydrophilic segments. When these tails extending into the aqueous phase overlap, they generate a repulsive force, acting like an "invisible protective umbrella" for each dye particle, effectively preventing them from re-flocculating as they approach due to Brownian motion. This protection is not dependent on the system's electrical properties, making it less susceptible to environmental factors and providing more durable stability.     III. Anjeka-6610: A Block Copolymer Solution Tailored for Water-based Disperse Dye Inks Based on a deep understanding of the above mechanism and long-term technical accumulation, Anjeka introduces Anjeka-6610—a block copolymer dispersant synthesized using CPT technology. Its design directly addresses the core pain points of water-based disperse dye inks: Precise Anchoring and Long-lasting Stability: The special block copolymer structure allows its pigment-affinic groups to form strong, durable adsorption on the dye surface, which is not easily desorbed under thermal storage or solvent conditions, thereby providing continuous steric hindrance protection. Efficient Deflocculation and Performance Enhancement: Through powerful deflocculation, it aids grinding to achieve finer pigment particle size and a narrower distribution. This directly correlates to high gloss, enhanced color strength, significantly improved ink flow properties, and helps increase the transparency of transparent dyes or the opacity of opaque dyes. Broad Compatibility and Application Flexibility: Anjeka-6610 exhibits wide compatibility with various water-based systems. It is not only highly suitable for preparing general dye ink concentrates but also the resin-free pigment concentrates it produces can be further used in high-quality water-based coatings requiring no floating or flooding, offering formulators greater design freedom. IV. Practical Guide: How to Use Anjeka-6610 for Optimal Performance Even the best tool requires correct usage. According to Anjeka's technical documentation, we recommend the following when using Anjeka-6610: Add Early in the Process: For optimal wetting and dispersion effects, it is recommended to add the additive to the grinding mixture before adding the pigment during the milling stage. Dosage Requires Scientific Validation: For disperse dyes, the recommended starting addition range is 30%-50% (based on dispersant solids to dye weight). However, this is only an empirical starting point. The optimal dosage must be determined through a series of gradient tests for the specific dye and formulation. Storage Notes: This product is a water-soluble liquid and should be stored in a cool, dry place. If the ambient temperature falls below 0°C, the product may stratify or become cloudy. Before use, heat it to around 20°C and stir thoroughly to restore uniformity. The stability of dye ink is a critical factor affecting final print quality and customer trust. Choosing a dispersant with a clear mechanism and strong targeting is a wise strategy for building product competitiveness from the source. If you are developing or upgrading water-based disperse dye inks, or need to prepare highly stable resin-free color pastes, Anjeka-6610 deserves your in-depth verification. Take Action Now, Get Your Customized Technical Solution: Free Sample: Contact us privately, provide basic information about your system (e.g., dye type, approximate formulation), and you can apply for an Anjeka-6610 sample for testing. Technical Consultation: Our application engineering team is available for one-on-one technical exchanges to help solve specific dispersion stability challenges. Get Detailed TDS: Reply with the keyword "6610" to automatically receive the complete Technical Data Sheet and Application Guide for Anjeka-6610.  

While formulators often pour significant effort into pursuing "visible" performance indicators like high gloss, high hardness, and fast drying, an often-underestimated "invisible hero" – the substrate wetting agent – fundamentally determines the success or failure of a coating. It doesn't directly contribute to final properties but lays the first cornerstone for the perfect presentation of all performance characteristics. Especially today, with tightening environmental regulations and waterborne applications reaching more difficult-to-adhere substrates, precise wetting solutions have become more critical than ever. 1. Poor Wetting: The Source of Those "Familiar Yet Headache-Inducing" Coating Defects When a coating cannot spread evenly on a substrate, problems follow one after another. Industry research generally indicates that poor wetting is a common cause of various film defects. Cratering and Fisheyes: Localized surface tension imbalance causes the coating to retract from that area, forming crater-like defects. Poor Adhesion: The coating fails to fully penetrate and anchor into the microscopic pores of the substrate, leading to weak bonding. Poor Leveling: Uneven coating spread makes it difficult to eliminate issues like orange peel and brush marks. Uneven Penetration (Porous Substrates): Such as on wood or mortar, leading to uneven color and gloss differences. As waterborne technology is applied to low surface energy substrates like plastics, composites, and parts with old coatings, these challenges are further amplified. Traditional wetting agents often fall short. How can we systematically solve this? 2. Beyond "Surface Tension": The Art of Balancing Dynamic Wetting and Compatibility Selecting a wetting agent involves far more than just looking at a static surface tension value. The key lies in dynamic surface tension reduction capability. An excellent wetting agent should quickly migrate to the newly formed liquid-solid interface, effectively reducing interfacial tension at the moment of application, and driving the liquid to spread forward. This is one of the core design logics behind Anjeka's wetting agent products – ensuring effectiveness within the critical time window of application. However, while pursuing efficient wetting, one must be wary of "side effects." Poor compatibility between the wetting agent and the system can lead to cratering, foam stabilization, or affect intercoat adhesion. Therefore, an ideal wetting agent must achieve a delicate balance between "efficient migration" and "system harmony." Anjeka products, through molecular structure design, aim for broad compatibility with various waterborne resin systems (such as acrylics, polyurethanes, etc.), maximizing wetting efficiency while minimizing interference with system stability. 3. Anjeka Wetting Agents: A Solution Framework for Complex Scenarios Based on a deep understanding of wetting mechanisms, Anjeka's wetting agent product line is dedicated to providing targeted support for different application scenarios: For Low Surface Energy Substrates like Plastics and Metals: Our products focus on enhancing dynamic wetting capability, helping waterborne coatings spread effectively and laying the foundation for subsequent adhesion promoters to work. For Porous Substrates like Wood and Concrete: The emphasis is on rapid penetration and uniform distribution to avoid appearance and performance issues caused by uneven liquid absorption by the substrate. In High-Speed Printing Scenarios (e.g., Flexo, Gravure Inks): Rapid wetting capability is crucial to ensure the clarity and uniformity of printed patterns. We recommend incorporating the wetting agent into the evaluation system early in the formulation development stage. Add it in the early stages of paint mixing and ensure thorough dispersion. The dosage needs to be optimized through gradient experiments based on the specific resin system, substrate properties, and process conditions, with a conventional exploration range between 0.1% and 1.0%.   As the wave of waterborne technology enters deeper waters, every detail of the formulation matters for the final product's market competitiveness. Substrate wetting, this seemingly basic step, is precisely the key control point for avoiding batch quality incidents and enhancing product applicability. Choosing a suitable wetting agent is like selecting a reliable "opening act" for your coating. It works silently in the background but determines whether the entire performance's stage is level and stable.   What substrate's waterborne coating challenge are you currently tackling? Is it plastic adhesion or wood penetration? Welcome to discuss your specific application scenarios and pain points with us.

Beyond Viscosity Control: A Strategic Approach to High-Load Inorganic Filler Systems   For technical and product managers in the coatings and inks industry, achieving the optimal balance in a formulation is a constant challenge. Increasing inorganic filler (extender) content is a proven path to reduce raw material costs, improve film properties like hardness and sandability, and adjust rheology. However, this strategy often hits a wall: skyrocketing viscosity, severe settling during storage, and poor shelf-life stability. The conventional dispersant may no longer suffice. This article explores the core challenges of high-load filler systems and introduces a targeted dispersant technology designed to break through these limitations, enabling more robust and economical formulations.   1. The Viscosity-Settling Trade-off in High-Filler Systems At high pigment volume concentrations (PVC), the interactions between inorganic filler particles (such as calcium carbonate, talc, barytes, alumina, etc.) become dominant. Without effective wetting and dispersion, these particles form a fragile network structure, leading to excessively high paste or millbase viscosity. This not only complicates manufacturing (higher energy consumption, slower grinding) but also limits the final application properties. Conversely, simply reducing viscosity without ensuring colloidal stability invites another problem: hard settling and sagging. The result is poor “can stability,” requiring extensive re-stirring before use, and potential application defects. The formulator’s goal is to find an additive that simultaneously disrupts the filler network to reduce viscosity and provides long-term stabilization against settling.   2. Mechanism: How Specialized Dispersants Work Standard dispersants often struggle under high filler loads. What’s needed is a dispersant with a strong anchoring group specifically designed for inorganic surfaces and a polymeric chain that provides robust steric hindrance. Products like Anjeka’s 6700 series (e.g., 6710, 6700, 6700A) are copolymer solutions containing acidic groups. They adsorb firmly onto inorganic pigments and fillers, breaking down agglomerates and preventing re-flocculation through steric stabilization. This dual action is critical: Network Breakdown: By de-agglomerating particles, the inter-particle friction is reduced, leading to significant viscosity reduction, even at filler loads exceeding 60-70%. Long-Term Stability: The steric barrier maintains particle separation over time, resisting the gravitational force that causes settling. This translates to excellent shelf-life and consistent “in-can” performance from first to last use. 3. Application Spectrum: From Water to Solvent, PU to Epoxy The need for high-filler, low-viscosity systems spans across technologies. Therefore, a versatile portfolio is essential: Water-based Systems: For furniture primer, architectural coatings, or industrial bases, dispersants like Anjeka 6220 are recommended for their exceptional viscosity reduction in high-filler systems. Laboratory tests have demonstrated its efficacy in stabilizing challenging fillers like precipitated alumina and magnesium hydroxide at high concentrations. Solvent-based & 100% Solids Systems: In industrial coatings, printing inks, and unsaturated polyester (PE) systems, the Anjeka 6700 series offers reliable performance. They are particularly effective in preventing settling and improving can appearance. Notably, Anjeka 6700 addresses the specific issue of greenish discoloration in PE coatings. 2K Polyurethane & Epoxy: For high-build primers and fillers in demanding applications, products like Anjeka 6910 are engineered for strong viscosity reduction and long-term storage stability in highly filled systems. Its variant, Anjeka 6911, further solves potential speckling issues in high-humidity environments. 4. Formulation Advice and Best Practices To maximize the benefits of these high-performance dispersants, consider the following guidelines: Incorporation: Always add the dispersant to the grinding vehicle before introducing pigments and fillers. This ensures optimal wetting from the start. Dosage: Start with recommended levels based on active content (typically 2-4% on TiO₂, 5-10% on inorganic pigments/fillers) and optimize through ladder experiments for your specific formula. System Compatibility: Be aware that high-acid-value dispersants can potentially catalyze crosslinking in stoving enamels or affect drying in PE systems. Always verify storage viscosity and drying time in your final formulation.   Are you pushing the limits of filler content in your formulations but held back by viscosity or stability issues? The right dispersant can be the key to unlocking higher performance and better economics.   Contact Anjeka Technical Support today to discuss your specific system challenges. We can provide tailored product recommendations and arrange for evaluation samples to help you validate the performance in your lab.    

Anjeka Experimental Report (No.: 20260323) Anjeka Experiment Item: Dispersant Testing Experiment Category: Testing of Dispersant Performance in Acrylic Water-Based Flexographic Ink and Paint Coating Carbon Black – Dispersibility and Stability Evaluation Experimenter: Technical Department Date of Submission: March 2026 1. Experimental Objective The customer's sample slurry is an acrylic-based system using Cabot 300 carbon black with a carbon black content of 50%. The target carbon black content is 35%. Before sample preparation, the slurry must be thoroughly homogenized. 2. Experimental Protocol After sample preparation, the following requirements must be met: Zahn cup viscosity: 12–18 s (corresponding to rotational viscometer reading of 200–300 mPa·s) No wetting agent required Fineness:

Technical Background: Challenges for PU Flooring in Tropical Climates   In tropical regions like Southeast Asia, high humidity and temperature pose severe technical challenges for Polyurethane (PU) flooring applications. The reaction between moisture and isocyanate components easily generates $CO_{2}$ bubbles, which, combined with the high viscosity of solvent-free systems, makes micro-bubbles difficult to escape naturally. If not effectively managed, the cured coating will exhibit defects such as pinholes, craters, or even delamination, severely impacting project acceptance.   Silicone-Free Defoamers: The Key to Inter-coat Adhesion For self-leveling floors and anticorrosive coatings, the choice of defoamer is critical. While silicone-based defoamers are efficient, they often cause fisheyes or reduce recoat adhesion in multi-layer applications. ANJEKA-5520, a 100% active content silicone-free polymer defoamer, provides a more reliable alternative.   100% Active Content: Free of diluents, ensuring effectiveness in high-viscosity resins even at minimal dosages. Silicone-free Structure: Eliminates fisheye defects associated with traditional silicone products, ensuring excellent recoatability and bonding reliability. Physical Consistency: Maintains a density of $0.80-1.10 g/cm3 at 23 ˚ C, allowing for easy and uniform dispersion in formulations.   Processing Guide: Handling High Shear and Storage Stability In industrial production, ANJEKA-5520 demonstrates excellent process adaptability. For manufacturers in Southeast Asia, long-term product stability is key to reducing after-sales complaints. Incorporation: For optimal performance, adding the defoamer prior to the grinding stage is recommended. If added later, sufficient shear force must be applied to ensure proper dispersion. Storage Stability: The product remains stable for up to 12 months, resisting separation or precipitation. Temperature Control: Despite the hot climate in SEA, if exposed to low temperatures below 5 ˚ C during transit, turbidity may occur; simply heating to 20˚ C and mixing thoroughly restores clarity without affecting active performance.   For PU flooring professionals in Southeast Asia, ANJEKA-5520 not only addresses the pain point of micro-bubbles on-site but also reduces production complexity through its stable physical parameters (recommended dosage of 0.1-1.0%). Whether in high-speed mixing, roller coating, or casting, it ensures the ultimate integrity of the coating.

Anjeka Experimental Report     Study on the storage stability of ceramic ink     Experimental project: Study on the storage stability of ceramic ink Experimental category: Dispersant, anti settling agent testing Experimenter: Product Application Engineer Xinzhong Zhai   Abstract:Ceramic inks were prepared using Anjikang dispersants 6042A and 6042B, anti-settling agents 4311, 4360, 6701, 972, and bentonite. The stability of the ceramic inks was evaluated by measuring the particle size, viscosity, centrifugal sedimentation rate, and sedimentation rate after thermal storage, as well as the hard settling rate. The experimental results indicate that the white oil-based ceramic ink prepared with Anjeka 6042B dispersant exhibits the best storage stability. Keywords: dispersant, anti settling agent, particle size, viscosity, centrifugal precipitation rate1.   1.Objective Ceramic inks were prepared using different formulations incorporating Anjeka dispersants 6042A and 6042B, anti-settling agents 4311, 4360, 6701, 972, and bentonite. The stability of the ceramic inks prepared with different formulations was investigated by evaluating particle size, viscosity, centrifugal sedimentation rate, as well as sedimentation rate and hard settling rate after thermal storage. 2. Experimental Protocol Reagents: Ceramic colorant (encapsulated red, Guose), dispersants Anjeka 6042A and Anjeka 6042B, anti-settling agents Anjeka 4311, Anjeka 4360, Anjeka 6701, 972, bentonite, white oil, cocoate, isopropyl laurate, ceramic pigment, and Mirui ceramic ink sample. Instruments: Centrifuge (Model 80-2B, Jiangsu Jinyi Instrument Technology Co., Ltd.), nanoparticle size analyzer (Model BeNano 90, Dandong Bettersize Instruments Co., Ltd.), oscillating disperser, rotational digital viscometer, ultrasonic disperser, oven. Preparation of Ceramic Ink White oil No. 10, cocoate, and dispersant were mixed in a certain proportion until homogeneous. The ceramic colorant was then added and mixed thoroughly. Zirconia beads (0.3 mm diameter) in an amount three times the mass of the slurry were added, and the mixture was placed in an oscillating disperser for dispersion. Thermal Storage The inks were stored in an oven at 50°C for 72 hours. Testing Methods Particle Size Measurement of Ceramic Colorant in Ink: The ground slurry was diluted 10,000 times with white oil. The particle size of the colorant in the diluted ink was measured using a nanoparticle size analyzer. Centrifugal Sedimentation Rate: The inks were centrifuged at 3000 rpm for either 5 minutes or 10 minutes as specified. Viscosity: The viscosity of the inks was measured at 15°C using a rotational viscometer.   3. Experimental Formulations and Methods 3.1 Effect of Different Dispersants and Dosages on Centrifugal Sedimentation Rate Table 1. Experimental Formulations for Different Dispersants and Dosages Raw Material 1# 2# 3# 4# 5# 6# Supplier White Oil 42.5 43.35 44.2 42.5 43.35 44.2 Guose Cocoate 7.5 7.65 7.8 7.5 7.65 7.8 Mirui Dispersant 6042A 5 4 3       Anjeka Dispersant 6042B       5 4 3 Anjeka Encapsulated Red 45 45 45 45 45 45 Guose   3.1.1 Experimental Results and Discussion After 8 hours of oscillating grinding, the particle size, viscosity, and centrifugal sedimentation rate were measured. The results are shown in Table 3. Table 3. Particle Size, Viscosity, and Centrifugal Sedimentation Rate   1# 2# 3# 4# 5# 6# Z-Average Particle Size（nm) 225.54 369.99 275.08 295.26 273.09 292.15 Viscosity（mpa.s) 291.9 551. 1 4340 52.64 421. 1 6076 Centrifugal Sedimentation Rate%（5min) 13. 12 13.48 21.30 5.36 12.39 21.36 Centrifugal Sedimentation Rate%（10min) 17. 11 24.18 32.44 7.69 17.29 26.28