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Delivers high mid-shear viscosity and excellent flow/leveling balance in waterborne coatings.
Provides superior sag resistance and anti-drip performance in high-build architectural and industrial formulations.
Offers robust rheology control across a wide pH range (pH 7–10), activated by common alkaline builders.
Delivers low foaming characteristics and good compatibility with surfactants, pigments, and co-thickeners.
Enables efficient thickening at low dosage levels, supporting cost-effective formulation design.
Interior and exterior architectural latex paints.
Waterborne industrial maintenance coatings.
Textured decorative coatings and plasters.
Exterior insulation finishing systems (EIFS) basecoats and finishes.
Low-VOC and zero-VOC premium wall coatings.
| Chemical Type | Associative alkali-swellable emulsion (ASE) |
| Product Form | Aqueous dispersion |
| Appearance | Opaque white liquid |
| pH (as supplied) | 2.5–4.0 |
| Active Content (wt%) | 30.0 ± 1.0% |
| Brookfield Viscosity (RVT, Spindle #3, 20 rpm, 25°C) | 500–2,500 cP |
| Freeze-Thaw Stability | Pass (3 cycles at –15°C / 25°C) |
| Primary Applications | Architectural and industrial waterborne coatings |
Q1: How does DR-160D differ from traditional non-associative alkali-swellable thickeners (ASE)?
A: DR-160D is an associative alkali-swellable thickener (A-ASE), meaning it contains hydrophobic groups that enable intermolecular association in addition to the typical acid–base swelling mechanism. This provides superior rheology control—especially enhanced high-shear viscosity, improved sag resistance, and better leveling—compared to conventional non-associative ASE thickeners.
Q2: What types of formulations is DR-160D most commonly used in?
A: DR-160D is widely employed in waterborne architectural coatings—including interior and exterior flat and low-sheen paints—as well as industrial maintenance coatings and some water-based inks and adhesives where balanced viscosity build, good flow/leveling, and spatter resistance are required.
Q3: How should DR-160D be incorporated into a formulation?
A: It is typically added during the let-down stage, after neutralization of the base resin or polymer. For optimal performance, DR-160D should be pre-neutralized with ammonia or an amine (e.g., AMP-95™) to pH ≥ 8.0 prior to dilution and incorporation. Direct addition of the concentrated grade without neutralization may result in poor dispersion and inconsistent thickening.
Q4: Is DR-160D compatible with common co-thickeners like HEC or hydrophobically modified ethoxylated urethanes (HEUR)?
A: Yes, DR-160D is generally compatible with cellulose ethers (e.g., HEC) and HEUR thickeners, enabling hybrid rheology systems. However, compatibility and synergy depend on formulation pH, ionic strength, surfactant package, and order of addition—so lab-scale evaluation is recommended to optimize performance and avoid antagonism or phase separation.
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