Description

Poly(Methylmethacrylate-n-Vinylpyrrolidone) is a synthetic copolymer that combines the structural rigidity and optical clarity of poly(methyl methacrylate) with the hydrophilicity and biocompatibility of polyvinylpyrrolidone. This unique combination makes it a highly versatile material for applications requiring a balance of mechanical strength, film-forming ability, and compatibility with aqueous systems. It is particularly valuable in the pharmaceutical, biomedical, and specialty coatings industries where controlled interaction with biological media or water is essential.

Application

• Pharmaceutical Excipient: Used as a binder, film-coating agent, or matrix former in controlled-release tablet and capsule formulations.
• Biomedical Devices: Employed in the fabrication of contact lenses, wound dressings, and hydrogel-based medical devices due to its biocompatibility and moisture retention properties.
• Specialty Coatings: Serves as a key component in water-based coatings, adhesives, and inks that require enhanced adhesion, gloss, and stability.
• Personal Care Products: Acts as a film former and stabilizer in hair sprays, mousses, and skin care formulations.
• Membrane Technology: Utilized in the production of ultrafiltration and dialysis membranes where controlled porosity and hydrophilicity are critical.
• Analytical Chemistry: Can be used as a stationary phase modifier in chromatography to alter surface interactions and improve separation.

Basic Information

Product Name	Poly(Methylmethacrylate-n-Vinylpyrrolidone)
CAS No.	25655-01-0
Molecular Formula	(C5H8O2.C6H9NO)x
Molecular Weight	Varies (Copolymer)
Synonyms	Poly(MMA-VP); Methyl methacrylate - vinylpyrrolidone copolymer; PMMA-PVP copolymer; 2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1-ethenyl-2-pyrrolidinone; Poly(methyl methacrylate-co-vinylpyrrolidone); VP/MMA Copolymer; N-Vinylpyrrolidone-methyl methacrylate copolymer
EINECS	Contact for details

Quality Control

Our Poly(Methylmethacrylate-n-Vinylpyrrolidone) is manufactured under a strict quality management system. Each batch is tested to ensure consistent composition, molecular weight distribution, and performance characteristics relevant to its intended application grade. Certificates of Analysis (COA) detailing key parameters such as monomer ratio, residual monomer content, viscosity, and solids content are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from excessive heat and incompatible materials. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Assay (MMA:VP Ratio)	As per customer grade requirement
Residual Monomers	< 0.1% (each)
Viscosity (Solution)	Specified range
Solids Content	≥ 98.0%
Loss on Drying	≤ 2.0%
Ash Content	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.