Dispersing Agent, Solvent-borne, Speciality Additive

VP 6040 Hyperdispersant

Hyperdispersant 6040 is a high-performance polymeric dispersant specifically engineered for the stabilization of inorganic pigments, organic pigments, and carbon blacks in high-end coating systems. Chemically, it functions as a block copolymer possessing a specialized “anchor group” architecture. These anchors exhibit strong affinity for pigment surfaces through hydrogen bonding, ionic interactions, or dipole-dipole forces, effectively preventing flocculation. The tail sections of the polymer extend into the solvent medium, providing robust steric stabilization. This mechanism ensures significantly reduced mill-base viscosity, allowing for higher pigment loading and shorter grinding times. In the industrial sector, 6040 is prized for its ability to enhance color strength, gloss, and transparency while maintaining excellent storage stability across varying temperature ranges. Its compatibility with a broad spectrum of resin systems, including polyurethanes, epoxies, and acrylics, makes it an indispensable additive for formulating premium automotive refinishes, industrial coatings, and high-performance inkjet inks. It excels in solvent-borne environments where rheological control is critical.

Attributes

Key Features and Benefits

Advanced steric stabilization prevents pigment re-agglomeration in low-viscosity systems.
Significant reduction in mill-base viscosity for optimized industrial processing speeds.
Enhanced pigment loading capacity in concentrated pigment pastes and masterbatches.
Superior color development and increased transparency for high-end organic pigments.
High gloss retention and improved leveling properties in final cured films.
Excellent compatibility with solvent-borne resins such as PU, epoxy, and CAB.
Robust thermal stability during high-speed dispersion and long-term shelf storage.
Reduces flocculation and flooding or floating issues in multi-pigment formulations.
Lowers energy consumption by shortening grinding and dispersion cycles significantly.
Highly effective at lower dosage levels compared to conventional wetting agents.

Specifications

Technical Highlights

Chemical Composition: High-molecular-weight block copolymer with specific pigment-affinic anchors.
Active Matter Content: Ranges from 40% to 50% in solvent or 100% solid.
Amine Value: Approximately 10–30 mg KOH/g depending on the specific variant.
Solvent Compatibility: Optimized for medium to high polarity organic solvent systems.
Density at 20°C: Measured at approximately 0.98 to 1.05 grams per cubic centimeter.
Flash Point: Generally exceeds 100°C for safe handling in industrial environments.
Acid Value: Maintained at minimal levels to ensure compatibility with alkali-sensitive resins.
Appearance: Characterized as a clear to slightly hazy yellowish viscous liquid.
Stabilization Mechanism: Primarily relies on long-range steric repulsion of polymer chains.
Storage Requirements: Moisture-sensitive; must be kept in sealed containers at ambient temperature.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Automotive OEM and refinish coatings requiring high-transparency and metallic flake alignment.
High-performance industrial coatings for machinery, heavy equipment, and coil coating lines.
Specialized plastic coatings for consumer electronics, mobile devices, and automotive interiors.
Solvent-based inkjet inks requiring extremely fine particle size and nozzle stability.
Premium wood coatings and furniture lacquers for enhanced grain clarity and depth.
Pigment concentrates and universal colorants for high-end decorative architectural paints.
Heavy-duty anti-corrosion primers where pigment packing and stability are critical.
High-quality gravure and flexographic packaging inks for vivid and consistent color reproduction.
Self-leveling epoxy flooring systems requiring uniform pigment dispersion and surface aesthetics.
Manufacturing of high-color-strength masterbatches for specialized engineering thermoplastic resins.