Description

Methyl Vinyl Ether/Maleic Acid Copolymer is a synthetic polymer formed from the alternating copolymerization of methyl vinyl ether and maleic acid. This versatile material is valued for its excellent film-forming, thickening, and stabilizing properties in aqueous systems. It serves as a critical functional ingredient for formulators in the pharmaceutical, personal care, and industrial coating sectors, where controlled viscosity and adhesion are paramount.

Application

• Pharmaceutical Coatings: Used as a film-forming agent in enteric and sustained-release tablet coatings, providing pH-dependent solubility.
• Hair Styling & Personal Care: Acts as a primary film-former and fixative in hair sprays, mousses, and gels, offering strong hold with good flexibility.
• Industrial Adhesives & Binders: Functions as a water-soluble binder and thickening agent in specialty adhesives, paper coatings, and textile finishes.
• Rheology Modification: Employed as a stabilizer and viscosity modifier in emulsion paints, drilling fluids, and other aqueous-based formulations.
• Oral Care Products: Utilized as a binder in denture adhesive formulations and other oral pharmaceutical applications.

Basic Information

Product Name	Methyl Vinyl Ether/Maleic Acid Copolymer
CAS No.	25153-40-6
Molecular Formula	(C3H6O·C4H4O4)n
Molecular Weight	Varies (Polymer)
Synonyms	Methyl Vinyl Ether and Maleic Acid Copolymer; PVM/MA Copolymer; Gantrez® S Series; MVE/MA Copolymer; Poly(methyl vinyl ether-alt-maleic acid); 1-Ethenoxypropane polymer with 2-butenedioic acid (Z)-; Butenedioic acid (Z)-, polymer with methoxyethene
EINECS	246-679-9

Quality Control

Our Methyl Vinyl Ether/Maleic Acid Copolymer is manufactured under a strict quality management system. Each batch is tested to ensure it meets stringent specifications for identity, purity, viscosity, and residual solvents. Certificates of Analysis (COA) documenting compliance with relevant pharmaceutical (USP/EP) or industrial standards 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to standard
Assay (as copolymer)	Min. 95.0%
Viscosity (1% in water)	Specified range (e.g., 1.5 - 3.5 cP)
Loss on Drying	Max. 5.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm
pH (1% aqueous solution)	2.5 - 4.0

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