PVP is the abbreviation for polyvinylpyrrolidone, a high-performance, widely used water-soluble polymeric chemical reagent. It is polymerized from N-vinylpyrrolidone monomers and typically appears as a white or slightly yellow powder or transparent liquid. It is soluble in water, alcohols, and many other solvents, exhibiting chemical stability and good biocompatibility. Therefore, it is widely used in scientific research, medicine, daily chemicals, and industry.

Chemically, PVP molecules contain hydrophilic amide groups and hydrophobic carbon chains, giving it both hydrophilicity and surface activity. In solution, it is not easily affected by acidity, alkalinity, or salt concentration, and it does not readily denature or precipitate. It also does not readily react with most ionic compounds. Therefore, it is commonly used as a dispersant, stabilizer, thickener, and film-forming agent, making it a frequently used functional reagent in laboratories and industrial production.

Depending on its molecular weight, PVP is available in several grades, ranging from several thousand to millions of molecular weights. Different grades are suitable for different applications. Low molecular weight PVP has low viscosity and good solubility, making it widely used in pharmaceutical formulations and dye dispersions. Medium and high molecular weight PVP exhibits strong film-forming and adhesive properties, commonly used in adhesives, coatings, and gel preparations. In scientific research, its molecular weight gradient is frequently utilized for separation and purification experiments.

As a relatively safe chemical reagent, PVP is widely recognized. In the pharmaceutical field, it is used as a tablet adhesive, coating material, and injectable adjuvant. In the daily chemical industry, it is used for moisturizing and film formation in skincare products and shampoos. In the laboratory, it can be used in electrophoresis, chromatography, and cell culture. Due to its non-toxicity, non-irritation, easy degradation, and mild use, PVP has become an indispensable general-purpose polymer reagent in modern chemical and biological experiments and industrial production.

PENGFEI is a company dedicated to the research, production, and sales of 2-pyrrolidone (2-P), N-vinylpyrrolidone (NVP), and polyvinylpyrrolidone (PVP)