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    Povidone/Polyvinylpyrrolidone PVP K15/K17/K25/K30/K60/K90添加时间:2020-10-13

    Povidone/Polyvinylpyrrolidone PVP K15/K17/K25/K30/K60/K90(图1)

    Chemical name: Polyvinylpyrrolidone/Povidone POVIDONE

    CTFA name: POLYVINYLPYRROLIDONE (PVP)

    CAS No: 9003-39-8

    Molecular formula: (C6H9NO)n

    Properties: It is a hydrophilic, easy-flowing white or almost white powder with a slight odor. Easily soluble in water and solvents containing halogenated hydrocarbons, alcohols, amines, nitroalkanes and low molecular fatty acids, etc., insoluble in a few solvents such as acetone, ether, turpentine, aliphatic hydrocarbons and alicyclic hydrocarbons. Compatible with most inorganic acid salts and various resins.

    Applications:

    1. Pharmaceutical grade: PVP is mainly used as a binder for tablets and granules. Glidants for capsules, lubricants for eye drops, co-solvents for injections, dispersants for liquid preparations, stabilizers for enzymes and heat-sensitive drugs.

    2. Industrial grade: PVP can be used as a porogen, surface coating agent, dispersant, thickener, and adhesive in water treatment films, pigments, printing inks, textiles, printing and dyeing, and color picture tubes.

    3. Cosmetic grade: PVPK series can be used as a film-forming agent in the cosmetics industry, styling liquid, hair spray and mousse styling agent, hair conditioner sunscreen, shampoo foam stabilizer, wave styling agent and dispersant in hair dye And affinity agent. Adding PVP to vanishing cream, sunscreen, and depilatory can enhance the moisturizing and lubricating effect.