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[Chemical Knowledge]：Polyvinylpyrrolidone: A New Star Material in Chemical Industry

Read： 224 Time：21months ago Source：Transform the World with Simplicity

1. what is polyvinylpyrrolidone?
Polyvinylpyrrolidone
, English name Polyvinylpyrrolidone, referred to as PVP, is a kind of polymer by polymerization of vinyl pyrrolidone monomer. It is a white crystalline powder, odorless and tasteless. The molecular weight is roughly between 10000 and 360000. It has stable properties, good chemical inertness, good temperature stability, good water solubility and hydrophilicity.

2. application of polyvinylpyrrolidone

1. pharmaceutical field: PVP has a very important application field is medicine, it is widely used in pharmaceutical and medical devices. For example, it can be used as a drug additive to adjust the hydrophobicity and water solubility of drugs; it can be used to prepare eye drops, infusion and disinfectant.

2. Cosmetics: PVP is also widely used in the cosmetics industry. In skin care products, PVP can be used as a skin care agent, moisturizer, sunscreen, etc. In hair care products, PVP can be used to control hair frizz, increase shine and style; in lipsticks and lipsticks, PVP can increase their consistency and hydrophilicity.

3. Food field: PVP is also widely used in the food industry. It can be used as a lubricant, thickener, coating agent, emulsifier, nutrition enhancer and food pigment carrier.
The advantages and disadvantages of
3. polyvinylpyrrolidone

1. Advantages:

① has excellent transparency and hydrophilicity, and can be dissolved in water.

② has good chemical stability and is not easily destroyed by chemical reactions.

③ can be used in a wide temperature range, and has good thermal stability.

④ has good biocompatibility and is widely used in the field of medicine.

2. Disadvantages:

① has certain toxicity and requires strict quality control.

② In some specific environments, such as high concentration of acid, high concentration of alkaline environment, PVP will fail.

③ The stability of PVP is affected by various factors such as light, oxidation, pollution and metal ions.

4. Conclusion

In general, polyvinylpyrrolidone is a kind of polymer organic compound with good performance and wide application. It has important application value in medicine, cosmetics, food and other fields. In the future, the application field of polyvinylpyrrolidone will be more and more extensive. At the same time, we also need to recognize the quality control and risk control issues behind it, strengthen relevant research and standard formulation, and ensure its safety and effectiveness in application.