Diethylene Glycol Monobutyl Ether (Glycol Ether DB)
Высокочистые растворители, Гликолевые эфиры

Diethylene Glycol Mo

Diethylene Glycol Monobutyl Ether (CAS: 112-34-5), commonly referred to as Glycol Ether DB or Butyl Carbitol, is a high-boiling, slow-evaporating solvent belonging to the ethylene oxide-based glyco…

Характеристики

Ключевые свойства и преимущества

  • Superior Solvency: Effectively dissolves a broad spectrum of resins, including nitrocellulose, acrylics, epoxies, and alkyds.
  • Low Evaporation Rate: Enhances the «open time» of coatings, preventing premature drying and ensuring a smooth, high-quality finish.
  • High Coupling Efficiency: Acts as an intermediary to stabilize immiscible ingredients in aqueous and solvent-based systems.
  • High Flash Point: With a flash point exceeding 100°C, it is classified as a non-flammable liquid under many regulatory frameworks, facilitating safer storage and transport.
  • Water Miscibility: Completely soluble in water, making it ideal for water-borne industrial and architectural formulations.
  • Low Odor: Provides a more comfortable working environment compared to aggressive, high-volatility solvents.
Спецификации

Технические особенности

  • Chemical Formula: C8H18O3 / CH3(CH2)3OCH2CH2OCH2CH2OH.
  • Molecular Weight: 162.23 g/mol.
  • Boiling Point: 230.4°C (446.7°F) at 760 mmHg, indicating very low volatility.
  • Flash Point: 101°C (214°F) via Closed Cup method.
  • Vapor Pressure: Extremely low at < 0.01 mmHg at 20°C, minimizing inhalation exposure risks.
  • Specific Gravity: Approximately 0.953 at 20°C.
  • Viscosity: 6.5 cP at 20°C, providing ease of handling in pumping and mixing operations.
  • Evaporation Rate: 0.002 (relative to n-butyl acetate = 1), making it one of the slowest evaporating glycol ethers available.
Практическое применение в отраслях

Области применения

  • 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
Ключевые отрасли

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