Dispersing Agent, Solvent-borne, Speciality Additive

VP 6622 Wetting and dispersing agent for high solid system

This high-performance wetting and dispersing agent, specifically engineered for high-solid systems, represents a critical advancement in industrial coating technology. Designed to meet the stringent requirements of low-VOC formulations, this additive functions as a high-molecular-weight polymeric surfactant that provides exceptional steric stabilization of pigment particles. In high-solid environments, where high viscosity and pigment loading present significant processing challenges, this agent effectively lowers the interfacial tension between the pigment surface and the resin matrix. By adsorbing strongly onto the pigment surface through specialized anchor groups, it prevents re-focculation and settling, ensuring a homogenous and stable dispersion. The result is a system that achieves superior optical properties, such as enhanced gloss and color development, while maintaining a manageable rheological profile. This chemistry is indispensable for manufacturers seeking to optimize mill-base efficiency and improve the long-term storage stability of concentrated pigment pastes and finished industrial coatings.

Attributes

Key Features and Benefits

Dramatically reduces mill-base viscosity, allowing for significantly higher pigment loading.
Provides robust steric stabilization to prevent pigment flocculation and sedimentation.
Enhances color strength, gloss, and transparency in both organic and inorganic pigment systems.
Shortens grinding and dispersion times, leading to increased production throughput and energy savings.
Improves the leveling and flow properties of high-solid coatings, reducing surface defects.
Ensures excellent long-term storage stability by maintaining a consistent viscosity profile over time.

Specifications

Technical Highlights

High active matter content (typically >90%), minimizing solvent contribution to the final formulation.
Polymeric architecture featuring multi-functional pigment-affinic groups for permanent surface anchoring.
Optimized molecular weight distribution to provide maximum steric hindrance without excessive viscosity build.
Broad compatibility with diverse resin chemistries, including high-solid epoxies, polyurethanes, and polyesters.
Effective across a wide range of solvent polarities, from non-polar aromatics to polar esters and ketones.
Low impact on dry film properties such as cross-linking density, water resistance, and substrate adhesion.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

High-solid industrial coatings for automotive OEM, refinish, and heavy-duty transportation sectors.
Protective and marine coatings where high film build and pigment stability are essential for corrosion resistance.
Manufacture of high-quality pigment concentrates and universal colorants for industrial tinting systems.
Solvent-borne printing inks and specialty packaging coatings requiring high pigment density.
Wood and furniture finishes where high transparency and surface smoothness are primary requirements.
Architectural coatings formulated for low-VOC compliance without sacrificing application performance.