Polyvinylpyrrolidone K30
Polyvinylpyrrolidone K30 is a versatile, water-soluble polymer acclaimed for its exceptional binding, dispersing, and film-forming characteristics across diverse industries.
Description
Polyvinylpyrrolidone (PVP) K30, represented by CAS 9003-39-8 and the formula (C6H9NO)n, is a synthetic polymer derived from N-vinylpyrrolidone. It is characterized by its excellent solubility in water and various organic solvents, non-ionic nature, and remarkable chemical stability. The 'K30' designation refers to its K-value, an indicator of its average molecular weight, with K30 typically having a molecular weight range of 40,000 to 50,000 g/mol. This specific molecular weight contributes to its optimal balance of film-forming capability, viscosity building, and adhesive properties. PVP K30 exhibits low toxicity and is biocompatible, making it suitable for applications that require direct contact with biological systems. Its amorphous structure and high glass transition temperature contribute to its utility in various formulations, where it can act as a binder, disintegrant, suspending agent, and stabilizer. The chemical backbone of PVP contains polar amide groups, which enable strong interactions with a wide range of substances, enhancing its utility as a solubilizer and complexing agent for insoluble compounds.
Applications
PVP K30 finds extensive use across numerous industrial sectors due to its multifaceted properties. In the pharmaceutical industry, it serves as a binder in tablet formulations, an excipient for solubility enhancement of poorly soluble drugs, and a suspending/dispersing agent in liquid preparations. The cosmetic and personal care industry utilizes PVP K30 as a film former in hair sprays and gels, a thickener in lotions, and a stabilizer in emulsions. In the food and beverage industry, it acts as a clarifying agent for wines and beers, and a processing aid. Other applications include use in adhesives, textiles as a dye-stripping assistant, in agricultural formulations as a pesticide dispersant, and in technical ceramics as a binder. Its ability to form clear, hard, and water-soluble films is particularly valuable in coatings and specialized membranes.
Storage & Handling
Store in a cool, dry, well-ventilated area away from direct sunlight and incompatible materials. Keep containers tightly closed. Avoid dust formation during handling to prevent inhalation. Wear appropriate personal protective equipment.
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