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HomeProduct name listPoly(propylene glycol) bis(2-aminopropyl ether)

Poly(propylene glycol) bis(2-aminopropyl ether)

  • CAS NO.:9046-10-0
  • Empirical Formula: CH3CH(NH2)CH2[OCH2CH(CH3)]nNH2
  • Molecular Weight: 0
  • MDL number: MFCD00082259
  • EINECS: 618-561-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-15 19:00:21

What is Poly(propylene glycol) bis(2-aminopropyl ether)?

Description

Amine-TerminatedPolyether (ATPE) is a class of polyolefin compounds with a soft polyether backbone, capped by primary or secondary amine groups. Because the main chain of the molecule is a soft polyether chain, and the hydrogen on the terminal of polyether amine is more active than the hydrogen on the terminal hydroxyl group of polyether, therefore, polyether amine can be a good substitute for polyether in some material processes, and can improve the application performance of new materials. They are widely used in polyurethane reactive injection molding materials, polyurea spraying, epoxy resin curing agents and gasoline scavengers.

Chemical properties

Poly(propylene glycol) bis(2-aminopropyl ether) is a light yellow or colorless transparent liquid at room temperature, with the advantages of low viscosity, low vapor pressure and high primary amine content, and is soluble in solvents such as ethanol, aliphatic hydrocarbons, aromatic hydrocarbons, esters, glycol ethers, ketones and water.

The Uses of Poly(propylene glycol) bis(2-aminopropyl ether)

Poly(propylene glycol) bis(2-aminopropyl ether) have good alkali and water resistance and moderate acid resistance. Epoxy resins cured with polyetheramines have good electrical properties. Polyetheramines have unique properties and are used in almost all epoxy applications such as coatings, potting materials, construction materials, composites and adhesives.

Preparation

synthesis of Poly(propylene glycol) bis(2-aminopropyl ether): Firstly, the polyether is attached to the acetoacetate group at both ends by dienone or through the ester exchange reaction of ethyl acetoacetate with polyether polyol, and then the polyether capped by the acetoacetate group is aminated with a mono-primary amine, alkyl alcohol amine or dibasic primary amine to obtain an imine compound with a low viscosity with an aminobutyrate end group.

Flammability and Explosibility

Not classified

Properties of Poly(propylene glycol) bis(2-aminopropyl ether)

Boiling point: 232℃[at 101 325 Pa]
Density  0.997 g/mL at 25 °C
vapor pressure  90Pa at 20℃
refractive index  n20/D 1.452
RTECS  TR3702500
Flash point: >230 °F
pka 9.3[at 20 ℃]
Water Solubility  100g/L at 20℃
EPA Substance Registry System Polypropylene glycol bis(aminopropyl) ether (9046-10-0)

Safety information for Poly(propylene glycol) bis(2-aminopropyl ether)

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H314:Skin corrosion/irritation
H412:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P310:Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Poly(propylene glycol) bis(2-aminopropyl ether)

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