POLYETHYLENEIMINE CAS# 9002-98-6

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• Chemical Name:   POLYETHYLENEIMINE
• CAS No.:      9002-98-6
• Molecular Fomula: ：C2H5N
• Molecular weight 43.07
• Appearance:Colorless thick liquid
• Sample：Available

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Description of homopolymer

• Polyethylenimine (PEI) or polyaziridine is a polymer with repeating unit composed of the amine group and two carbon aliphatic CH2CH2 spacer. Linear polyethyleneimines contain all secondary amines, in contrast to branched PEIs which contain primary, secondary and tertiary amino groups. Totally branched, dendrimeric forms were also reported. PEI is produced on industrial scale and finds many applications usually derived from its polycationic character.
  Linear PEI fragment Typical branched PEI fragment PEI dendrimer generation 4

Basic Info of homopolymer

Basic Info
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Basic Info

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What is POLYETHYLENEIMINE ?

• With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is POLYETHYLENEIMINE   which has developed particularly rapidly in recent years. Do you know about POLYETHYLENEIMINE?
• The official answer： This product is a colorless and highly viscous liquid. It is soluble in water, ethanol, hygroscopic, insoluble in benzene and acetone. Precipitation will be produced when it meets with sulfuric acid with a pH below 2.4. The aqueous solution is positively charged, and coagulation is produced by adding formaldehyde.

What’s the application of POLYETHYLENEIMINE ?

• Used as a wet strength agent for unglued breathable paper, retention aid in the paper copying process, and pulping agent to reduce the pulping degree of pulp. Improves paper dewatering ability. Increase the dryness of paper by 1% to 4%. Production capacity increased by 5% ~ 20%. Use 1, high adhesion and adsorption amine can react with the carboxyl group to generate hydrogen Jian. The amino group can react with the carboxyl group to generate ionic health. Amino can react with the carbonyl group to generate covalent Jian. Polyethyleneimine can combine with different substances because of its polar group (amino) and hydrophobic group (vinyl) structure. Using these comprehensive bonding power, it can be widely used in the following fields, such as ink, coating, binder, etc. 2, high cationic polyethyleneimine exists as a polymeric cation in water, which can neutralize and adsorb all anionic substances, and can also chelate heavy metal ions. With its high cationic property, it can be used in paper water treatment, electroplating solution, and dispersant. 3、Reactive polyethyleneimine can easily react with epoxy, acid, isocyanate compound, and acid gas because of its highly reactive primary and secondary amines. This property can be used as an epoxy resin reactive agent, aldehyde adsorbent, and dye-fixing agent.

Conclusion

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive System, Santi-tumor, Nervous System, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.

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