PVP VA64
In the field of medicine, it is mainly used as a binder for tablets and granules. The flow aid of the capsule,
Lubricant for ophthalmic drugs, cosolvent for injections, dispersant for liquid preparations, stabilization of enzymes and heat-sensitive drugs
*The following content is generated by AI and is for reference only.
Overview
PVP VA 64 is a copolymer of vinylpyrrolidone and vinyl acetate, synthesized via free radical polymerization. It serves as a versatile binder and stabilizer in industrial formulations. The generic molecular structure combines polar amide groups with hydrophobic acetate moieties to enhance solubility and film formation.
Application
- Pharmaceuticals: Used as a tablet binder and for controlled drug release matrices.
- Coatings: Provides adhesion and gloss in wood, metal, and plastic varnishes.
- Inks: Enhances pigment dispersion and scratch resistance in flexographic printing.
- Textiles: Acts as a sizing agent to improve fiber strength and dye uptake.
Precautions
- Maintain storage in a cool, dry environment below 25°C to prevent clumping.
- Avoid inhalation of dust; use appropriate respiratory protection during handling.
- Not intended for direct injection; strictly adhere to pharmaceutical grade specifications for clinical applications.