Dispersing Agent, Speciality Additive, Water-borne

VP 6871 Waterborne wetting and dispersing agent

The 6871 Waterborne Wetting and Dispersing Agent represents a premium additive engineered for high-performance aqueous coatings and ink systems. Formulated as a high molecular weight block copolymer with pigment-affinic groups, this specialized chemical provides exceptional stabilization for both organic and inorganic pigments, as well as carbon black. By facilitating the wetting process and providing robust steric hindrance, 6871 effectively prevents the flocculation and re-agglomeration of pigment particles during the grinding stage and long-term storage. Its non-ionic nature ensures excellent compatibility across a broad pH range and various resin types, including acrylic, epoxy, and polyurethane dispersions. Notably, this additive is designed to significantly reduce mill-base viscosity, allowing for higher pigment loading and improved manufacturing efficiency. The resulting dispersions exhibit superior color strength, high gloss levels, and minimal rub-out effects. Environmentally compliant and VOC-free, 6871 is an indispensable component for formulating modern, sustainable, and high-quality industrial waterborne coatings and colorants.

Attributes

Key Features and Benefits

Superior Viscosity Reduction: Significantly lowers the mill-base viscosity, enabling ultra-high pigment concentrations and optimized production throughput.
Enhanced Coloristic Properties: Maximizes color development and transparency while increasing the surface gloss of the final film.
Robust Flocculation Control: Provides long-term stability through effective steric hindrance, preventing sedimentation and ensuring consistent shelf-life.
Excellent Compatibility: Shows broad versatility across various water-reducible and emulsion resin systems without affecting coating durability.
Eco-friendly Profile: VOC-free and APEO-free formulation ensures compliance with stringent environmental regulations and green building standards.
Reduced Rub-out: Minimizes pigment separation and flooding/floating issues in multi-pigmented systems.

Specifications

Technical Highlights

Chemical Composition: High molecular weight block copolymer with specific pigment-affinic anchor groups for multi-surface adsorption.
Active Matter Content: Typically supplied as a concentrated liquid with 40% to 50% active solids to ensure cost-effectiveness.
Ionic Character: Non-ionic/Anionic modification allows for stability in diverse chemical environments and across pH levels 7-10.
Solubility Profile: Fully miscible in water and common polar co-solvents used in aqueous coating formulations.
Physical Properties: Low VOC profile with a density near 1.05 g/cm³ and a flash point exceeding 100°C for safe handling.
Dosage Efficiency: Effective at low concentrations, typically 2-10% on inorganic pigments.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Industrial Coatings: Ideal for waterborne anti-corrosive primers and high-gloss topcoats requiring excellent pigment stabilization and chemical resistance.
Printing Inks: Extensively used in water-based flexographic and gravure inks to achieve high transparency and low-viscosity pigment concentrates.
Automotive Refinish: Suitable for water-based basecoats where color precision and metallic flake orientation are critical for finish quality.
Wood Finishes: Enhances clarity and grain definition in transparent wood stains and pigmented lacquers for furniture applications.
Concentrated Colorants: Perfect for the manufacture of resin-free pigment pastes used in point-of-sale tinting systems and architectural paints.
Leather Coatings: Used for dispersing pigments in aqueous leather finishing agents.