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Phosphazene Non-Halogen Flame Retardant

Non-halogen Environmentally Friendly Phosphazene Flame Retardants

Otsuka Chemical has designed a series of phosphazene compounds for the nonhalogen flame retardant market. These compounds are composed of phosphorus and nitrogen atoms which provide functionality to flame retardancy. Our materials offers superior moisture and heat resistance and are particularly suitable for electronic applications.

SPB-100:X = -OC6H5(Phenoxy)

Advantages

  1. Non-halogen green chemistry
  2. Outstanding hydrolysis resistance
  3. Superior heat resistance; can be used in variety of engineering plastics
  4. Melts with heat and dissolves in solvents, can be used in wide range of applications

Applications

  1. Circuit boards
  2. Functional sealants
  3. High-frequency components
  4. Resin moldings (PC, PPE, PET, PBT, HDPE, etc.)
  5. Adhesives
  6. Paint additives

Printed circuit boards

High-frequency components

General Properties

Appearance Unit White-pale yellow fine or coarse granule
Melting Point °C 110
5 % Weight Loss Temperature °C >350
Phosphorus Contents % 13
Ionic Impurities ppm <100

Solubility

Solvent Solubility(%) Solubility(g) /Solvent(100g)
Methanol 0.1 0.1
Ethanol 0.3 0.2
Ethylene glycol monomethyl ether 6.1 6.2
Propylene glycol monomethyl ether 5.9 5.8
Acetone 37.4 47
MEK 46.6 70
DMF 47.6 86
Cyclohexanone 50 95
Toluene 33 43

Thermal Properties

TG/DTA Measurement: Atmosphere: N2, Heating Rate: 10℃ / min

Comparison of Hydroscopic Properties