Propylene glycol butyl ether series(PNB, DPNB)
| Item | Propylene glycol monobutyl ether(PNB) | Dipropylene glycol monobutyl ether(DPNB) |
| CAS | 5131-66-8 | 29911-28-2 |
| Molecular formula | CH3(CH2)3OCH2CHOHCH3 | CH3(CH2)3O(CH2CHCH3O)2H |
| Appearance | Colorless Transparent Liquid | Colorless Transparent Liquid |
| Content(GC)%≥ | 95.0 | 95.0 |
| Distillation range(℃ /760mmHg) | 165.0-175.0 | 220.0-235.0 |
| Water content %≤ | 0.2 | 0.1 |
| Acidity %≤ | 0.01 | - |
| Proportion (20/20℃) | 0.875-0.895 | - |
| Chroma(Pt-Co)≤ | 10 | 15 |
| Package | 180KGS/barrel General goods | 200KGS/barrel General goods |
Application:
Propylene glycol monobutyl ether: mainly used as a heavy scale cleaner. It can dissolve and couple oils and fats extremely well, making it suitable for both household and industrial formulations. Partially water-soluble, can solubilize most solvents. The specific applications are as follows: ① Coupling agents and solvents for household and industrial cleaning agents, grease and paint removers, metal cleaning agents, and hard surface cleaning agents; ② Effective coupling agents and solvents for water reducing coatings; ③ Effective setting agent for water-based latex coatings; ④ Active solvents for solvent based coatings; ⑤ Chemical intermediates for the production of esters, solvents, and plasticizers.
Dipropylene glycol monobutyl ether:
Coatings: Can be used as coagulants for acrylic resins, styrene acrylic resins, and polyvinyl acetate, endowing paint films with excellent properties. It is one of the most effective film-forming aids for many water-based coatings.
Cleaning agent: Suitable for use in cleaning agents, especially in systems that require extremely low volatilization rates, such as wax removers and floor cleaners. It is a good coupling agent for lubricating grease and oil, and can be used as a paint remover and animal oil remover.
Other Applications: Agricultural products, cosmetics, electronic ink, textiles.
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