Dispersing Agent, Solvent-borne, Speciality Additive

VP 6860 High solids solvent-free dispersant

High solids solvent-free dispersants represent a critical advancement in green chemistry for industrial coatings and ink formulations. These additives are typically high-molecular-weight block copolymers or modified polyethers engineered to stabilize pigments and fillers in media without the use of volatile organic compounds (VOCs). Functioning primarily through steric stabilization, they prevent the flocculation of fine particles by adsorbing onto pigment surfaces. By significantly reducing the viscosity of millbases, these dispersants allow for higher pigment loading, which enhances production efficiency and reduces energy consumption during the grinding process. In an era of strict environmental regulations, such as REACH and global VOC limits, these solvent-free alternatives provide a sustainable pathway for manufacturers to maintain high performance in solvent-borne, high-solids, and 100% solids systems. They ensure long-term stability, preventing sedimentation and ensuring color consistency across demanding applications including automotive OEM coatings and heavy-duty industrial protective finishes.

Attributes

Key Features and Benefits

VOC-Free Composition: Eliminates solvent emissions, aligning with global environmental compliance and sustainability standards.
Superior Viscosity Reduction: Enables significantly higher pigment and filler loading in the millbase stage for improved output.
Enhanced Steric Stabilization: Provides robust protection against pigment re-agglomeration and settling during long-term storage.
Broad Compatibility: Highly effective across various resin systems including epoxies, polyurethanes, and UV-curable formulations.
Improved Color Development: Optimizes pigment wetting to achieve maximum tinting strength, gloss, and transparency.
Processing Efficiency: Significantly reduces grinding time and energy requirements during the industrial dispersion process.

Specifications

Technical Highlights

Active Matter Content: Formulated as 100% active material, ensuring zero solvent contribution to the final formulation.
Polymeric Architecture: Features a high-molecular-weight backbone with specific pigment-affinic groups for targeted adsorption.
Optimized Chemical Values: Precise amine or acid values tailored to ensure compatibility with specific organic and inorganic pigment surfaces.
Thermal Stability: Maintains chemical integrity across wide temperature ranges, making it suitable for high-heat curing cycles.
Newtonian Flow Promotion: Encourages excellent leveling and flow properties in high-solids coating applications.
Low Dosage Requirements: High efficiency at low concentrations relative to pigment weight (typically 1-5% for inorganic).

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Industrial Coatings: Essential for high-solids and solvent-free epoxy and polyurethane floor coatings and heavy-duty protective finishes.
Automotive Refinish: Facilitates the dispersion of high-performance organic pigments for vibrant, durable, and high-gloss topcoats.
Printing Inks: Ideal for UV-curable and solvent-borne inkjet inks requiring precise particle size control and nozzle stability.
Pigment Concentrates: Perfect for producing high-color-strength, low-viscosity universal pigment pastes for industrial tinting.
Coil Coatings: Ensures consistent color and coating thickness in high-speed industrial metal coating production lines.
Wood Finishes: Enhances the clarity, depth, and transparency of stains and high-gloss clear wood coatings.