Polyether amine (PEA) CAS 9046-10-0 is a type of polymer with a polyether structure as the main chain and an amine group as the terminal active functional group. Its chemical formula is C3n+3H6n+10OnN2. Amino terminated polyethers have the following structure: x, y=0- n. Polyether amine is obtained by amination of polyethylene glycol, polypropylene glycol, or ethylene glycol/propylene glycol copolymer under high temperature and pressure. By selecting different polyoxyalkyl structures, a series of properties such as reactivity, toughness, viscosity, and hydrophilicity of polyether amines can be adjusted, while amine groups provide the possibility for polyether amines to react with various compounds. Its unique molecular structure endows polyether amines with excellent comprehensive properties. Commercially available polyether amines include a series of products with single functional, bifunctional, and trifunctional molecular weights ranging from 230 to 5000. It has been widely used in various fields such as polyurea spraying, large-scale composite material manufacturing, epoxy resin curing agents, and automotive gasoline detergents.

Chinese name: polyether amine

Foreign name: amino terminated polyoxypropylene

Nickname: polyether amine, amino terminated polyether, polyether polyamine

Chemical formula: C3n+3H6n+10OnN2

Molecular weight: Common products with molecular weights ranging from 230 to 5000

CAS login number: 9046-10-0

Application: High performance composite materials and other application fields High performance composite materials, adhesives, etc

Application area

(1) High performance composite materials: Polyether amine can be used as a high-performance curing agent for epoxy resin, used to produce high-strength and high toughness composite materials;

(2) Polyurea: As a key component of polyurea materials, it has been widely used in waterproofing systems for concrete structures such as high-speed railway bridges, sea crossing bridges, dams, and large venues, and has shown excellent performance;

(3) Coatings: With low viscosity, when applied to epoxy flooring or anti-corrosion coatings, it can reduce the amount of solvent used and reduce the viscosity of the system;

(4) Adhesive: As an epoxy resin curing agent, it has excellent toughness and fatigue resistance after complete curing, and is widely used in adhesives and structural adhesives;

(5) Jewelry: With extremely light chromaticity and excellent yellowing resistance, it can be used for jewelry manufacturing.

(6) Gasoline detergent: It has excellent cleaning, dispersion, demulsification, corrosion inhibition, and oxygen resistance properties. It can suppress the generation of deposits in car fuel injectors, intake valves, and combustion chambers. Compared to polyisobutylamine based gasoline detergents, they not only do not generate deposits themselves, but also can remove the original CCD (deposits formed in the engine combustion chamber).

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