German technical background VOK-2023 Wetting dispersant It can be used for grinding resin and non resin pigments replaces BYK-2023

German technical background VOK?- Disper 2023 Wetting Dispersant

Solvent based Wetting Dispersant for Liquid Printing Ink Based on TPU, TPA, NC and Chloroacetate Resin

Product Information

Chemical composition: structured copolymer solution containing pigment affinity group

Typical Physicochemical Data

The data given in this data page are only typical values, not technical indicators of the product.

Amine value: 7 mg KOH/g

Acid value: 4 mg KOH/g

Active substance: 60%

Solvent: ethyl acetate

Mix well before storage, transportation and use.

Application field

Printing ink

Product features and advantages

VOK?- Disper 2023 enables pigment to de flocculate through steric stabilization, which can prevent pigment flocculation and the resulting viscosity increase, and improve the tinting power, transparency and luster. In addition, VOK?- Disper 2023 can also significantly reduce the viscosity of the abrasive. The additive has extensive compatibility with many resins commonly used in printing inks, such as TPU, TPA, NC and chloroacetate resin. Its applications range from highly polar systems using alcohols as solvents to moderately polar systems using esters or toluene as solvents.

VOK?- Disper 2023 can be used for grinding both resinous and non resinous pigments. Due to the use of ethyl acetate, its solvent residue is low, so the product is very suitable for packaging ink.

Recommended dosage 4-25%

Additive dosage (purchase form) is based on organic pigment 4-25%

Additive dosage (purchase form) is based on carbon black

The above recommended dosage is for reference only, and good dosage shall be determined through a series of experiments.

Adding method and processing guidance Wetting and dispersing additives should usually be added to the abrasive, only in this way can it be fully effective. When resin free grinding is used, the solvent component of the grinding material is premixed with the auxiliary agent under stirring conditions, and then the pigment is added. If resin grinding is used, the pigment shall be added after the base material, solvent and auxiliary agent are mixed evenly.