Anjeka 6111A: A High-Efficiency Dispersion Solution Specifically Designed for UV System White Paste

In the production of UV coatings and inks, the preparation of white paste is often a critical step that determines the final product quality and production efficiency. While high titanium dioxide content provides excellent hiding power, it can easily cause the paste viscosity to skyrocket. This not only increases dispersion energy consumption but may also affect subsequent storage stability and application leveling. How to choose a dispersant that can both powerfully reduce viscosity and ensure excellent color development and long-term stability has become a common challenge for many engineers.

I. The Core Challenge of UV White Paste Dispersion: More Than Just "Mixing"
For UV systems, especially those based on resins like modified epoxy acrylate, the selection of a dispersant requires careful consideration. Simply "mixing" the pigment is far from sufficient. The real challenges lie in:

• Viscosity Reduction and Flowability: The initial viscosity under high shear directly affects dispersion efficiency and equipment load.
• Color Development and Whiteness: The dispersant must fully wet and stabilize the titanium dioxide particles to prevent flocculation, which can lead to reduced tinting strength and loss of whiteness.
• Long-Term Storage Stability: UV systems are highly reactive. It is crucial to ensure that the color paste does not experience re-coarsening, sedimentation, or drastic viscosity changes during storage, which could affect the final film appearance and performance.

II. The Anjeka Solution: 6111A UV White Paste Specialized Dispersant
Addressing these pain points, Anjeka Technology has introduced the 6111A dispersant, specifically designed for UV systems. It is a high molecular weight copolymer containing acidic groups with a solid content exceeding 95%, aiming to provide a comprehensive and efficient dispersion and stabilization solution for high-pigment-content UV white paste .

III. Test Verification: Viscosity Reduction, Color Development, and Stability – All Are Essential
We have verified the actual performance of 6111A in UV white paste through rigorous comparative tests (based on a modified epoxy acrylate system) :

• Significant Viscosity Reduction Effect: In high-concentration white paste with 70% titanium dioxide, 6111A demonstrates excellent viscosity reduction capability, with initial viscosity significantly lower than that of the comparison sample, providing better flowability and lower dispersion energy consumption for production .
• Outstanding Color Development: Drawdown tests show that the whiteness of white paste dispersed with 6111A is comparable to that of the industry-recognized benchmark product, ensuring a bright and pure white effect in the final UV coating .
• Reliable Storage Stability: After undergoing the rigorous test of 60°C high-temperature accelerated storage for 72 hours, the paste showed no sedimentation, no delamination, stable viscosity, and no attenuation in color development. This provides a solid guarantee for production preparation and inventory management .

IV. Application Recommendations and Outlook
Anjeka 6111A dispersant is particularly suitable for the preparation of white paste and high-pigment-content color paste in UV coating and ink systems based on resins like modified epoxy acrylate. The recommended dosage is typically 1-1.5% of the pigment weight, which can be optimized according to the actual formulation.
Choosing a suitable dispersant is a wise move to enhance the competitiveness of UV products and achieve cost reduction and efficiency improvement. With its proven performance in viscosity reduction, color development, and stability, Anjeka 6111A helps you overcome the technical hurdles of UV white paste dispersion.

If you are looking for a solution to dispersion stability, high viscosity, or color development issues in UV white paste, Anjeka 6111A dispersant is worth your in-depth understanding. We can provide you with free samples, detailed technical data, and one-on-one technical support from professional engineers. Contact us now to elevate the performance of your UV products to the next level!