Zero-release Polymeric Wetting And Dispersion Agent Particularly Suitable For 2K Polyurethane And Acid-catalyzed Systems BYK2152

Anjeka-6621 is a zero-release, highly branched structure wetting and dispersing additive for solvent-free epoxy and other reactive systems.

The data given on this data sheet are typical values and are not product specifications.

It should be stored in a cool and dry place. Mix thoroughly before use, delamination or turbidity may occur at temperatures below 0°C. Heat to 20°C and mix thoroughly.

Storage time is not recommended to exceed 12 months.

Anjeka-6621 has a highly branched chemical structure and is designed for use in solvent-free epoxies as well as other reactive systems such as two-component polyurethanes and acid catalyzed systems. During the milling process of the pigment and filler, the polyester side chain of the additive is compressed while the adhesion of the amine groups to the surface of the pigment or filler is increased. The pigment affinity groups are adsorbed on the surface of the pigmented filler, while the polyester side chains remain wrapped around the amine groups, preventing them from reacting with the epoxy resin. The additive significantly reduces viscosity and does not react with the resin, resulting in long term storage stability.

Anjeka-6621 wets and deflocculates pigments well. The additive is widely compatible and has no negative effect on coating properties such as yellowing resistance, metal adhesion or corrosion protection.

• Industrial coatings
• Wood and furniture coatings
• Anti-corrosion coatings
• Automotive coatings

●--Special Recommendations; ○--Recommendations

The following additions are based on the ratio of dispersant solids to pigment volume:

• Inorganic pigments: 5%-10%
• Titanium dioxide: 1%-3
• Organic pigments: 20%-45
• Carbon black: 20%-80

The above data are empirical, the optimal amount should be determined through a series of tests.

In order to obtain the best effect, the additives should be added to the abrasive before adding the pigment, so as to fully utilize the effect of the additives. Pre-mix the resin and solvent components of the abrasive, then slowly add the additives with constant stirring. After the additives are fully dispersed, then add the pigments.

• -25kg iron drum with inner coating
• -180kg ring plastic drum

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