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High molecular weight acrylic polymer offering excellent hardness and scratch resistance.
Low yellowing tendency with superior UV stability for long-term outdoor performance.
Excellent compatibility with nitrocellulose, CAB, and other common film-formers in solventborne systems.
Good solubility in standard ester and aromatic hydrocarbon solvents (e.g., xylene, toluene, ethyl acetate).
Consistent batch-to-batch reproducibility and strict quality control per ISO 9001 manufacturing standards.
Automotive refinish clearcoats and basecoat binders.
Industrial maintenance coatings for metal and plastic substrates.
High-gloss wood finishes requiring durability and clarity.
Coil coating topcoats where weatherability and gloss retention are critical.
Plastic coatings for consumer electronics and appliances.
| Chemical Type | Solid acrylic copolymer |
| Product Form | Powder or granular solid |
| Appearance | White to off-white free-flowing particles |
| Acid Value (mg KOH/g) | 3–7 |
| Gardner Color | ≤ 2 |
| Softening Point (°C, Ring & Ball) | 105–115 |
| Volatile Content (wt%, 120°C/2h) | ≤ 0.5% |
| Primary Applications | Solventborne high-performance clearcoats and topcoats |
Q1: What is the primary function of DSM B-885 in coating formulations?
A: DSM B-885 is a solid acrylic resin designed to serve as a film-forming binder and rheology modifier in high-solids and solventborne industrial coatings. It contributes to improved gloss, hardness development, and substrate adhesion without significantly increasing VOC content.
Q2: Is DSM B-885 suitable for use in waterborne systems?
A: DSM B-885 is inherently solvent-soluble and not self-emulsifying; it is not recommended for direct incorporation into standard waterborne dispersions without prior dispersion aid or microencapsulation. For aqueous applications, compatibility testing with specific surfactants and dispersants is strongly advised.
Q3: How should DSM B-885 be incorporated into a formulation?
A: It is typically added during the let-down or post-addition stage under moderate agitation. To ensure complete dissolution and avoid haze or grit, dissolve the resin fully in compatible solvents—such as aromatic hydrocarbons or ketones—before blending with other components. Avoid rapid addition to cold or highly viscous batches.
Q4: Does DSM B-885 offer UV stability benefits compared to conventional acrylic resins?
A: Yes, DSM B-885 is synthesized using monomers selected for enhanced resistance to UV-induced yellowing and chalking. While not a UV absorber itself, it provides superior long-term clarity and color retention in exterior-facing clearcoats and pigmented topcoats relative to many standard solution acrylics.
Q5: What safety and handling precautions are recommended?
A: As a low-volatility solid resin, DSM B-885 presents minimal inhalation risk in its neat form. However, dust generation during handling should be minimized using local exhaust ventilation. When dissolved in organic solvents, standard solvent-handling protocols—including appropriate PPE and adequate ventilation—must be followed per the Safety Data Sheet.
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