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High molecular weight acrylic polymer delivering excellent film hardness and scratch resistance.
Low volatile organic compound (VOC) content, supporting compliant solvent-based coating formulations.
Superior UV stability and color retention for long-term outdoor performance.
Excellent compatibility with common crosslinkers including melamine and polyisocyanates.
Consistent batch-to-batch reproducibility and narrow molecular weight distribution.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
High-gloss decorative architectural coatings.
Plastic coatings requiring adhesion and flexibility balance.
| Chemical Type | Solid acrylic copolymer |
| Product Form | Free-flowing granular solid |
| Appearance | White to off-white granules |
| Typical Molecular Weight (Mw) | 100,000–120,000 g/mol |
| Glass Transition Temperature (Tg) | 78–82 °C |
| Acid Value | 3–5 mg KOH/g |
| Solubility | Soluble in xylene, toluene, and ester-based solvents |
| Storage Stability | Stable at 20–25 °C for ≥12 months in original sealed packaging |
Q1: What is the primary function of DSM B-811 in coating and ink formulations?
A: DSM B-811 functions primarily as a film-forming binder and rheology modifier, contributing to improved gloss, hardness, and substrate adhesion in solvent-based and high-solids coatings, as well as gravure and flexographic inks.
Q2: Is DSM B-811 suitable for food-contact applications?
A: DSM B-811 is designed for industrial and decorative applications. While it may be incorporated into certain food-contact compliant systems when fully formulated and validated by the end-user, it is not pre-approved for direct food contact on its own — regulatory compliance must be confirmed per final formulation and applicable regional requirements.
Q3: How does DSM B-811 compare to liquid acrylic resins in terms of handling and formulation flexibility?
A: As a solid resin, DSM B-811 offers enhanced storage stability, reduced shipping weight/volume, and greater formulation control—especially where solvent content must be minimized. It dissolves readily in common organic solvents (e.g., esters, ketones, aromatic hydrocarbons) and allows precise dosing without viscosity variability associated with liquid grades.
Q4: What are typical solvents used to dissolve DSM B-811?
A: DSM B-811 exhibits good solubility in medium-to-slow evaporating solvents such as ethyl acetate, butyl acetate, methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), and aromatic blends like xylene or Solvesso™ types. Solvent selection should consider evaporation rate, compatibility with other formulation components, and regulatory constraints.
Q5: Can DSM B-811 be used in UV-curable systems?
A: DSM B-811 is not inherently UV-reactive and is not intended as a primary photopolymerizable component. However, it can serve as a non-reactive binder or additive in hybrid UV/solvent systems—provided compatibility with monomers, oligomers, and photoinitiators is verified and does not interfere with cure efficiency or film properties.
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