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What is the use of polyethyleneimine

What is the use of polyethyleneimine

What is polyethyleneimine?

Polyethyleneimine (PEI), cas 9002-98-6 is a polymer compound with rich functional groups, which is widely used in chemistry, materials, biology and other fields. Polyvinylimide is a water-soluble polymer produced by the polymerization of ethylene imide. It is not a completely linear polymer, but a partially branched-chain polymer containing primary, secondary and tertiary amines. Polyvinylimide and other low molecular weight amines have a variety of chemical reactivity, and can be modified. Characteristics of Polyethyleneimine: Cation density in existing material, very high activity, water soluble ability.


Polyethyleneimine is a kind of synthetic material with a wide range of uses, which plays an important role in many fields. Polyethyleneimine has excellent properties and various application characteristics, making it one of the indispensable materials in industrial production and scientific research.

What is the use of polyethyleneimine?

1. Textile industry

Polyethyleneimine plays an important role in the textile industry. PEI can be used as a dyeing aid for textiles, which can improve the adsorption performance and color fixation of dyes, so that the dyeing effect is more bright and lasting. In addition, PEI can also be used as an antistatic agent for textiles, which can effectively reduce the electrostatic friction between textiles and the human body or other objects and prevent the adverse effects of static electricity.


2. Water treatment industry

Polyethyleneimine is also widely used in the water treatment industry. Due to its excellent adsorption capacity and ion exchange properties, polyvinylimide is widely used in water treatment for pollutant removal and wastewater treatment. PEI can absorb and remove pollutants such as heavy metal ions, organic matter and suspended matter in water, and improve the purification effect of water quality. At the same time, polyethylene imide can also be used as an auxiliary agent of water treatment agent, which can improve the stability and effect of water treatment agent.


3. Medical field

PEI is also widely used in medicine. PEI can be used as a sustained release agent and a controlled release agent of drugs, which can extend the release time of drugs and improve the stability of drugs to achieve better therapeutic effects. Polyethyleneimine can also be used to make drug carriers and drug delivery systems to treat systemic diseases, etc.

4. Electronics industry

PEI is also widely used in the electronics industry. Polyethyleneimine can be used as encapsulation material and insulation material for electronic components to improve the stability and reliability of electronic components. PEI can also be used as a thermal conductivity material and heat dissipation material for electronic equipment, which can effectively improve the heat dissipation performance of electronic equipment and prevent failure and damage caused by overheating.


In addition to these areas, polyethyleneimine has many other applications. For example, PEI can be used as a reinforcer for paper and a thickener for coatings, which can improve the strength of paper and the adhesion of coatings. Polyethyleneimine can also be used as an oil field production agent and oil exploration agent to improve the production rate and exploration efficiency of reservoirs.

PEI is a versatile synthetic material that plays an important role in textiles, water treatment, medicine, electronics and many other fields. Polyethyleneimine’s excellent performance and diverse application characteristics make it one of the important materials in industrial production and scientific research. With the development and innovation of science and technology, the application prospect of Polyethyleneimine will be broader.

Unilong is a professional polyethyleneimine manufacturer, with advanced production equipment and production lines, and is equipped with professional R&D team and technical personnel. Adhering to the purpose of “quality first, integrity management”, the company constantly improves the quality of products and has developed into a leader in the industry.

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