二醇醚, 高纯溶剂

Dipropylene Glycol M

Dipropylene Glycol Monomethyl Ether (DPM), identified by CAS number 34590-94-8, is a versatile, mid-to-slow evaporating solvent and a prominent member of the P-series glycol ether family. Chemicall…

属性

主要特点与优势

  • Superior Solvency: Exhibits high solvency for a broad spectrum of resins, including acrylics, epoxies, alkyds, and nitrocellulose.
  • Coupling Efficiency: Acts as an effective co-solvent, promoting miscibility between water and organic solvents in stabilized emulsions.
  • Optimal Evaporation Rate: Provides a mid-to-slow evaporation profile that extends “open time,” preventing premature drying and ensuring smooth finishes.
  • Low Odor Profile: Features a mild, non-intrusive scent, making it ideal for use in confined spaces or consumer-facing products.
  • Enhanced Safety: Classified as a non-HAP (Hazardous Air Pollutant) in many regions, with a lower toxicity and higher flash point than many traditional solvents.
  • Surface Tension Reduction: Efficiently reduces surface tension to improve wetting and adhesion on various substrates.
规格

技术亮点

  • Chemical Formula: C7H16O3
  • Molecular Weight: 148.20 g/mol
  • Boiling Point: 190°C (374°F) at 760 mmHg
  • Flash Point: 75°C (167°F) (Setaflash Closed Cup)
  • Vapor Pressure: 0.28 mmHg at 25°C, indicating low volatility and reduced VOC emissions in specific regulatory frameworks.
  • Specific Gravity: 0.950 at 25°C
  • Viscosity: 3.33 cP at 25°C
  • Solubility: Completely miscible in water and common organic solvents (alcohols, ketones, and aromatics).
  • Hansen Solubility Parameters: deltad (Dispersion) = 15.5; deltap (Polar) = 4.0; deltah (Hydrogen Bonding) = 11.5.
实际行业应用

应用领域

  • Electrical and electronics
  • Connectors, switches, PCB housings, terminal blocks
  • Automotive
  • Under-hood components, interior assemblies, cable conduits
  • Wire and cable
  • Insulation layers, sheathing, jacketing materials
  • Construction
  • Plastic fittings, conduits, insulation panels
  • Consumer appliances
  • Enclosures, adapters, plugs, casings
  • Industrial components
  • Fiber-reinforced composites, flame-retardant masterbatches
  • Compatible polymers
  • PA6, PA66
  • PBT, PET
  • PE, PP
  • Blends and copolymers requiring halogen-free flame retardancy
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