DOWANOL™ DPnB is a glycol ether solvent from Dow that is excellent for use in coatings, paint removers, degreasers, metal cleaners, and hard surface cleaners.
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DOWANOL™ DPnB is a dipropylene glycol n-butyl ether-based solvent from Dow that offers relatively slow evaporation, hydrophobicity, and coalescing properties to a variety of formulations.
DOWANOL™ DPnB glycol ether is a highly efficient coalescent for use in water-borne latex systems. It also offers various properties that continue to a high-quality latex film, including slow evaporation rate, polymer plasticizing efficiency, large molecular size for greater polymer mobility, and strong partitioning to the polymer phase. DOWANOL™ DPnB also provides exceptional compatibility with various resin types.
DOWANOL™ DPnB is also used to lower the surface tension of cleaning products. It can be used alone or combined with other glycol ethers such as DOWANOL™ DPM glycol ethers from Dow Chemicals. DPnB Glycol ethers are also used for removing oils and greases in hard surface cleaners and cold metal cleaning applications.
DOWANOL™ DPnB offers a combination of good solvency, surface tension lowering ability, and slow evaporation, making it a universal solution for use in a broad array of water-based and solvent-based formulations.
Appearance: Colorless liquid
Odor: Ether
Freezing point: < -75 °C (-103 °F)
Boiling point (760 mmHg): 230 °C (446 °F)
Flash point: Closed cup 100.4 °C (212.7 °F) at 1,013 hPa Setaflash, Closed Cup ASTM D3828
Relative vapor density (air = 1): 6.60
Relative density (water = 1): 0.910 at 25 °C (77 °F) / 25 °C
Water solubility: 4% at 25 °C (77 °F)
Partition coefficient: n-octanol/water: log Pow 1.523 (Estimated)
Auto-ignition temperature:194 °C (381 °F)
Kinematic viscosity: 2.71 mm2/s at 25 °C (77 °F)
Liquid density: 0.9128 g/cm3 at 19.8 °C (67.6 °F)
Molecular weight: 190.28 g/mol (Calculated)
Chemistry: Di propylene glycol n-butyl ether
Glycol ether solvent derived from propylene glycols
Hydrophobic glycol ether with good solvency
Relatively slow evaporation compared to other solvents
Ability to reduce surface tension alone or combined with other ingredients
Compatible with various resin types and cleaning formulation ingredients, including surfactants
Excellent coupling and coalescing properties when used in latex and coating formulations
Highly efficient polymer plasticizer and enhances polymer mobility
Good efficacy in removing oils and greases of metals and hard surfaces
Performance issues with the use of fast-evaporating solvents in coatings and cleaning formulations
Low solvency of common solvents to be used in heavy-duty applications
Poor film formation in latex paints and requiring an effective coalescing agent
Coupling agent and solvent in household and industrial cleaners, grease and paint removers, metal cleaners, and hard surface cleaners
Effective coalescent for lowering minimum film formation temperature MFFT) in water-borne latex coatings
Solvent and wetting additive for solvent-based coatings
Chemical intermediate for the production of epoxides, acid ester derivatives, solvents, and plasticizers
Effective solvent for water-reducible coatings formulations
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