Poly(N-vinylpyrrolidone) (PVP), MW 2,500 is a water-soluble polymer produced through free-radical polymerization of N-vinylpyrrolidone. Known for its hydrophilicity, film-forming capability, and compatibility with aqueous systems, low molecular weight PVP is widely used in pharmaceutical, personal care, industrial, and membrane applications.
PVP exhibits solubility in water and many polar organic solvents, making it useful in formulations requiring binding, stabilization, dispersion, or surface modification properties.
This low molecular weight grade is commonly utilized in applications involving coatings, adhesives, dispersions, filtration systems, and specialty formulations where lower viscosity characteristics are desired.
Synonyms: Polyvidone, Povidone, Poly(1-vinyl-2-pyrrolidone), PVP
Key Properties
- Water-soluble synthetic polymer
- Approximate molecular weight: 2,500
- Hydrophilic and film-forming
- Compatible with aqueous formulation systems
- Useful as a binder, stabilizer, and dispersant
- Soluble in water and many polar organic solvents
Applications
Pharmaceutical & Laboratory Formulations
PVP is commonly used as a binder in tablet formulations, stabilizer in suspensions, and formulation aid in research and laboratory applications.
Medical Device & Surface Coatings
The polymer may be used in lubricious coatings and hydrophilic surface modification systems for medical and technical applications.
Personal Care Formulations
PVP is widely utilized in hair styling products, creams, lotions, and cosmetic formulations where film formation and stabilization are important.
Adhesives & Industrial Formulations
The polymer can improve adhesion and formulation stability in water-based and pressure-sensitive adhesive systems.
Membrane & Filtration Applications
PVP may be incorporated into membrane manufacturing and filtration systems used in water and gas separation processes.
Solubility & Compatibility
- Readily soluble in water
- Compatible with many polar organic solvents
- Useful in aqueous and mixed-solvent systems
- Lower molecular weight supports lower viscosity formulations
Performance characteristics depend on formulation composition, concentration, solvent system, and processing conditions.
Handling & Storage
- Store tightly sealed in a cool, dry environment
- Protect from excessive moisture exposure
- Use clean handling procedures to avoid contamination
- Follow standard laboratory and industrial handling practices
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FAQ
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1. What is Poly(N-vinylpyrrolidone) (PVP) used for?
PVP is used in pharmaceutical, personal care, adhesive, coating, filtration, and industrial formulations as a binder, stabilizer, dispersant, or film-forming polymer.
2. What does the MW 2,500 designation mean?
MW 2,500 refers to the approximate molecular weight of the polymer grade, which influences viscosity, solubility, and formulation behavior.
3. Is PVP water soluble?
Yes. Poly(N-vinylpyrrolidone) is readily soluble in water and compatible with many polar organic solvents.
4. Can PVP be used in personal care formulations?
Yes. PVP is commonly used in hair styling products, lotions, creams, and cosmetic formulations due to its film-forming and stabilizing properties.
5. What industries commonly use PVP?
PVP is widely used in pharmaceutical, medical device, cosmetics, coatings, adhesives, membrane, and industrial formulation applications.
Safety & Documentation
Refer to the product Safety Data Sheet (SDS) for complete handling, storage, and safety information. Follow standard laboratory and industrial handling procedures when working with polymer powders and solutions.
