Polyvinylpyrrolidone (PVP-K30)

description1
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Information
Polyvinylpyrrolidone, commonly abbreviated as PVP, is a polymer compound formed by the polymerization of N-vinyl-2-pyrrolidone. This white, hygroscopic powder is odorless or has a faint odor. It is soluble in water, ethanol, chloroform, and most organic solvents but insoluble in diethyl ether. PVP exhibits low toxicity.

Applications:
Pharmaceuticals & Healthcare:
• Binder in pharmaceutical formulations
• Co-precipitating agent
• Solubilizing agent or crystallization inhibitor in injectables
• Coating or film-forming agent
• Sustained-release agent for controlled drug delivery, extending therapeutic duration
• Ocular prostheses and artificial corneas
• Surgical dressings
• PVP-Iodine disinfectants
Additionally used as a colorant and X-ray contrast agent. Applicable to tablets, granules, solutions, etc., it demonstrates detoxification, hemostasis, solubility enhancement, prevention of peritoneal adhesions, and promotion of erythrocyte sedimentation.

Food Processing:
• Clarifying and stabilizing agent for beer, fruit juices, wine, and other beverages.

Cosmetics & Personal Care:
• Acts as a protective colloid in emulsions for both fatty and non-fatty ointments
• Fixative in styling lotions, hairsprays, and styling mousses
• Opacifier in hair conditioners
• Foam stabilizer in shampoos
• Dispersant and adhesion promoter in hair dyes
• Curl retention enhancer
• Enhances moisture retention and lubricity in creams, sunscreens, and depilatories.

Industrial Applications:
• Widely used in coatings, plastics, resins, glass fibers, printing inks, adhesives, tablet compression, and textile dyeing.
• Its downstream application as a lithium battery additive is rapidly expanding.

Item

K30 (Solid)

K-value

27.0–32.4

Residual Monomer (%)

≤0.01

pH (5% aqueous sol.)

3.0–7.0

Sulfate Ash (%)

≤0.10

Moisture (%)

≤5.0

Solid Content (%)

Nitrogen Content (%)

11.5–12.8

Aldehyde Content (%)

≤0.05

Heavy Metals (%)

≤0.001

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