Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

VOK VOK-4401 Dispersant

VOK VOK-4401 Dispersant is a high-performance polymeric dispersing agent from VOK’s advanced additive series, designed for pigment stabilization in water-based coatings and inks. It delivers exceptional grinding efficiency, viscosity control, and long-term colloidal stability while minimizing flocculation and settling. Compatible with organic pigments and titanium dioxide, it enhances color strength, gloss, and formulation robustness across industrial applications.
  • vok vok 4401 dispersant_2de6917d
  • vok vok 4401 dispersant_2de6917d

Features Of VOK VOK-4401 Dispersant

  1. High-efficiency steric stabilization for inorganic pigments and fillers in aqueous systems.

  2. Low foaming profile, minimizing operational issues during high-shear dispersion and pumping.

  3. Excellent compatibility with acrylic, styrene-acrylic, and PUD-based polymer dispersions.

  4. pH-stable performance across 6.5–9.5, supporting broad formulation flexibility.

  5. Reduced viscosity buildup during storage, enhancing long-term suspension stability of concentrated pastes.

Typical Applications Of VOK VOK-4401 Dispersant

  1. Architectural waterborne paints and coatings.

  2. Industrial maintenance coatings (e.g., metal primers and topcoats).

  3. Water-based inkjet inks for signage and packaging.

  4. Construction chemicals including tile adhesives and cementitious renders.

  5. Functional pigment concentrates for specialty coatings and plastics masterbatches.

Specifications Of VOK VOK-4401 Dispersant

Chemical TypeAnionic polymeric dispersant based on modified polycarboxylate architecture
Product FormAqueous liquid concentrate (approx. 40% active)
AppearancePale yellow to light amber, clear to slightly hazy liquid
Primary ApplicationsDispersion stabilization of TiO₂, calcium carbonate, clay, and iron oxides
Key FeaturesSteric + electrostatic dual stabilization mechanism
BenefitsImproved color strength, reduced grinding time, enhanced gloss and opacity
pH (1% aqueous solution)7.0–8.5
Storage Stability≥12 months at 5–30°C in sealed original container


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