Povidone, also known as polyvinylpyrrolidone (polyvinylpyrrolidone), is widely used in medicine and is one of the three new pharmaceutical excipients advocated internationally. It is widely used as a binder for tablets and granules. PVP can also be used as a glidant for capsules, a detoxifier and lubricant for eye drops, a co-solvent for injections, a dispersant for liquid preparations, and a stabilizer for enzymes and heat-sensitive drugs. Povidone can also synthesize PVP-I disinfectant with iodine. In contact lenses, PVP, as a component of contact lenses, can increase its hydrophilicity. PVP can also be used as a cryopreservative in medicine. Povidone K30 is being included in the 2000 edition of the Chinese Pharmacopoeia, and PVP is included in the 26 edition of the US Pharmacopoeia.
1. Cosmetic industry: PVPK series can be used as dispersant, film-forming agent, thickener, lubricant and adhesive in the cosmetic industry, and used in hair care products such as hairspray, mousse, hair setting gel, shampoo, Hair fixer, hair dye; skin care products such as lipstick, sunscreen, moisturizer, and other cosmetics such as modifiers, deodorants, toothpaste, etc.
2. Pharmaceutical industry: PVPK30 (pharmaceutical grade) is one of the new pharmaceutical synthetic excipients. It can be used as a binder for tablets and granules, a cosolvent and stabilizer for injections, a glidant for capsules, liquid preparations and coloring. Dispersing agents for agents, stabilizers for enzymes and heat-sensitive drugs, co-precipitating agents for poorly soluble drugs, detoxifiers and lubricants for ophthalmic drugs, and coating film-forming agents, etc. There are hundreds of drugs that use PVP as excipients. The pharmaceutical grade PVPK30 has been approved by the pharmaceutical management department of the People's Republic of China.
3. Other industrial applications: paints and coatings, plastics, resins, glass fibers, inks, inks, adhesives, detergents, photographic film, tablets, television picture tubes, production of potions, tapes, disinfectants, paper, textile printing and dyeing Used as a dispersant, film-forming agent and emulsifier in other industries.