Anjeka7356 leveling agent Powder coatings Enhanced surface tension and interlayer adhesion BYK3560

ANJEKA-7356 Powder coatings: Enhanced surface tension and interlayer adhesion

GENERAL DESCRIPTION

Anjeka-7356 is a high-performance, silicone- and fluorine-free surface additive engineered to significantly enhance the surface energy of coatings. It demonstrates excellent compatibility across a wide spectrum of formulations, including water-based, solvent-borne, UV-curable, and high-solids systems.

PRODUCT DATA

Chemical Composition: High molecular weight polyether-modified acrylate.

Typical Physical & Chemical Data:
(The following values are typical and are not to be treated as binding product specifications.)

Appearance: Colorless to pale yellow transparent liquid.

Density (23°C): 0.90 – 1.10 g/cm³.

Active Ingredient: 100%.

STORAGE & HANDLING

Store in a cool, dry place. Stir well before use.

Shelf Life: 12 months (recommended maximum).

Low-Temperature Note: If stored below 10°C, allow the product to equilibrate to room temperature and mix thoroughly before use.

APPLICATION GUIDELINES

Recommended Application Sectors

Can Coatings

Coil Coatings

Automotive Coatings

General Industrial Coatings

Wood & Furniture Coatings

Features and Benefits
Anjeka-7356 is designed to optimize both the final film properties and the in-process performance of liquid coatings:

Enhanced Substrate Adhesion: Effectively increases the surface energy, particularly the polar component, of cured films, promoting superior adhesion for subsequent layers of paint, laminates, adhesives, or inks.

Improved Topcoat Wetting & Leveling: Promotes better wetting on the cured substrate, contributing to excellent flow and leveling of the topcoat.

Superior In-Can Leveling: Enhances the leveling properties within the formulation itself.

Broad Compatibility & Clarity: Does not affect the surface tension of liquid coatings and maintains high transparency in clear varnishes. It is compatible with water-based, solvent-borne, UV, and high-solids systems.

Recommended Dosage (as supplied, on total formulation weight)

Water-based Systems (low co-solvent): 0.1% – 0.5%

Water-based Systems (high co-solvent): 0.6% – 1.0%

Solvent-borne Systems (polar): 1.0% – 2.0%

Solvent-borne Systems (non-polar): 0.5% – 1.5%

Note: The dosages above are empirical starting points. The optimal dosage must be determined through application-specific testing.

Special Technical Notes

Migration Mechanism: A controlled degree of incompatibility within the formulation is essential for Anjeka-7356 to migrate and align effectively at the coating-air interface.

Thermal Stability: Curing efficiency and long-term performance are influenced by bake temperature. The polyether structure may degrade at temperatures exceeding 170°C for prolonged periods (>10-15 minutes).

Non-Reactive: This additive does not chemically cross-link with the film-forming resin. Its long-term effectiveness is dependent on the formulation's overall stability.

PACKAGING

25 kg in lined iron drums.

180 kg in tight-head plastic drums.