English
Español
tiếng việt
русский
Elementis Deqian Disponer W-518 is a special anionic wetting dispersant for aqueous systems under Elementis Deqian, with ammonium acrylate as the core component, specially designed for the dispersion of inorganic pigments in aqueous coatings. It has excellent water resistance, can effectively reduce the viscosity of grind paste, improve construction operability, has significant low foaming property
Significant viscosity optimization - Reduces grind paste viscosity, improves system fluidity and construction operability
Low foam and high efficiency adaptation - Low foaming property, reduces coating defects and the dosage of defoamer
Excellent water resistance - Good water resistance, no impact on the water stability of the coating film
Reliable dispersion effect - Efficiently disperses inorganic pigments in aqueous systems, prevents pigment agglomeration
Water as solvent - Uses water as solvent, environmentally friendly without residue, suitable for all aqueous systems
Water-soluble coatings - Various water-soluble architectural and industrial coatings, optimize inorganic pigment dispersion
Hole glue paint - Hole glue paint system, improve construction operability and coating flatness
Water-based inorganic pigment color pastes - Preparation of water-based inorganic pigment color pastes, improve color paste stability
Water-based architectural coatings - Water-based interior and exterior wall coatings, optimize inorganic pigment dispersion and color development
Water-based industrial protective coatings - Water-based industrial protective coatings, improve water resistance and dispersion effect
| Model | Disponer W-518 |
| Brand | Elementis Deqian |
| Chemical Type | Aqueous anionic wetting and dispersing agent |
| Chemical Composition | Ammonium acrylate |
| Appearance (25°C) | Yellow to brown liquid |
| Non-volatile Content | 29-32% |
| Solvent | Water |
| Specific Gravity (25°C) | 1.10-1.14 |
| Ionicity | Anionic |
| pH Value (25°C) | 7.5-9.0 (1% aqueous solution) |
Q1: What is the primary function of Disponer W-518 in coating and ink formulations?
A: Disponer W-518 is a non-ionic surfactant designed to reduce surface tension, improve substrate wetting, enhance pigment dispersion stability, and support uniform film formation—particularly on low-energy or difficult-to-wet surfaces such as plastics, treated metals, and powder-coated substrates.
Q2: Is Disponer W-518 compatible with waterborne and solvent-borne systems?
A: Yes, Disponer W-518 exhibits broad compatibility across waterborne acrylics, polyurethanes, epoxy dispersions, and many common organic solvent-based systems. Its formulation allows for stable incorporation during both let-down and grinding stages without compromising rheology or gloss.
Q3: How should Disponer W-518 be added to a formulation for optimal performance?
A: It is typically added during the let-down phase after pigment grinding, though early addition in the mill base may also be effective depending on the system. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight of total formulation, with optimization recommended via small-scale trials.
Q4: Does Disponer W-518 contribute to foam generation or affect defoaming performance?
A: As a low-foaming wetting agent, Disponer W-518 is engineered to minimize air entrapment and foam stabilization while delivering effective wetting. However, its interaction with defoamers should be evaluated in the final formulation, especially in high-shear applications or when combined with other surfactants.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
