Dispersing Agent, Solvent-borne, Speciality Additive

VP 6042A Low Polarity Dispersant

Low Polarity Dispersant 6042A is a sophisticated polymeric surfactant engineered specifically for high-performance stabilization in non-polar and low-polarity chemical environments. Chemically structured as a modified polyester or polyether with high-affinity anchoring groups, it is designed to address the stabilization challenges inherent in aliphatic and low-aromatic solvent systems. Its primary function involves the adsorption onto pigment or filler surfaces, where its solvated polymeric chains extend into the surrounding medium to provide robust steric stabilization. This mechanism effectively prevents particle agglomeration and flocculation, which are common issues in industrial coatings and ink formulations. By significantly reducing the interfacial tension between the solid phase and the continuous liquid phase, 6042A facilitates rapid wetting and optimal de-agglomeration during the grinding process. This results in superior color development, enhanced gloss, and a marked reduction in millbase viscosity, allowing for higher pigment loading and improved manufacturing throughput in modern chemical processing facilities.

Attributes

Key Features and Benefits

Exceptional compatibility with aliphatic hydrocarbons, mineral spirits, and low-polarity paraffinic oils.
Superior viscosity reduction in high-solids formulations, enabling increased pigment concentration without sacrificing flow characteristics.
High-efficiency anchoring groups ensure strong adsorption on both organic pigments and high-surface-area carbon blacks.
Provides long-term colloidal stability, effectively preventing sedimentation and syneresis in stored formulations.
Enhances coloristic properties including transparency, tinting strength, and chromaticity by optimizing particle size distribution.
Maintains high gloss and surface smoothness in finished coatings by ensuring a uniform pigment dispersion.
Excellent thermal stability, making it suitable for high-temperature plastic processing and automotive stoving finishes.
Broad resin compatibility including alkyds, acrylics, and polyolefins.

Specifications

Technical Highlights

Chemical Composition: Polymeric dispersing agent with pigment-affinic functionalities.
Appearance: Transparent to slightly hazy amber viscous liquid.
Active Content: 40% to 50% non-volatile matter by weight.
Solvent Medium: Aliphatic hydrocarbon or low-aromatic solvent blend.
Acid Value: Typically 10 – 20 mg KOH/g depending on specific batch neutralization.
Amine Value: 15 – 25 mg KOH/g, providing balanced anchoring for acidic and neutral pigments.
Density: Approximately 0.88 – 0.95 g/cm³ at 25°C.
Flash Point: Minimum 40°C (closed cup), requiring standard flammable liquid handling protocols.
Recommended Dosage: 1-5% for inorganic pigments and 15-40% for organic pigments and carbon black based on pigment weight.
Solubility: Fully miscible in non-polar solvents; insoluble in water.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Solvent-borne industrial coatings requiring high gloss and durability in harsh environments.
Automotive refinish paints where precise color matching and stability are critical.
High-grade architectural enamels and wood stains based on long-oil or medium-oil alkyd resins.
Flexographic and gravure printing inks for flexible packaging applications.
Concentrated pigment pastes and universal colorants for oil-based systems.
Plastic masterbatches and liquid colorants for polyolefins such as PE, PP, and PS.
Carbon black dispersions used in high-quality sealants and non-polar adhesives.
Agricultural chemical formulations where stable oil-based suspensions of active ingredients are required.
Lubricant and grease additives for maintaining solid lubricant dispersion under shear.