Description

Ethyl Ester Of Pvm/Ma Copolymer is a synthetic polymer derived from the partial esterification of a poly(methyl vinyl ether-alt-maleic anhydride) copolymer, creating a versatile material with excellent film-forming and binding properties. This compound is valued for its ability to enhance adhesion, provide controlled release, and improve the stability of formulations in demanding environments. It is a critical ingredient for manufacturers in the personal care, pharmaceutical, and specialty coatings industries seeking advanced polymer performance.

Application

• Hair Styling & Fixative Products: Serves as a primary film-forming agent and fixative resin in hair sprays, gels, and mousses, providing strong hold with good humidity resistance.
• Skin Care & Sunscreen Formulations: Used as a film-forming agent and stabilizer in creams, lotions, and sunscreens to improve water resistance and enhance product substantivity on the skin.
• Pharmaceutical Coatings: Employed as a functional excipient in enteric or sustained-release tablet and pellet coatings, offering pH-dependent solubility for targeted drug delivery.
• Oral Care Products: Acts as a binder and film-former in mouthwash strips and dental care products to ensure active ingredient retention and controlled release.
• Industrial & Specialty Coatings: Functions as a key component in adhesives, inks, and specialty coatings where excellent adhesion to diverse substrates is required.
• Personal Care Color Cosmetics: Utilized in mascara, eyeliners, and nail polish to improve wear time, waterproofing, and overall product performance.

Basic Information

Product Name	Ethyl Ester Of Pvm/Ma Copolymer
CAS No.	50935-57-4
Molecular Formula	(C7H10O4)n • (C4H2O3)m
Molecular Weight	Varies (Polymer)
Synonyms	PVM/MA Copolymer, Ethyl Ester; Poly(methyl vinyl ether-alt-maleic acid) monoethyl ester; Butyl ester of PVM/MA copolymer (common trade name reference); Gantrez ES; 2-Butenedioic acid (Z)-, monoethyl ester, polymer with methoxyethene; Methyl vinyl ether-maleic acid monoethyl ester copolymer; Ethyl monoester of methyl vinyl ether-maleic anhydride copolymer
EINECS	Contact for details

Quality Control

Our Ethyl Ester Of Pvm/Ma Copolymer is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, viscosity, esterification degree, and performance characteristics. Certificates of Analysis (COA) detailing key parameters are provided with every shipment to guarantee compliance with your formulation requirements and industry standards.

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 moisture to maintain product integrity and prevent caking.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Assay (as polymer)	Min. 95.0%
Degree of Esterification	To customer specification
Viscosity (specific concentration)	To customer specification
Loss on Drying	Max. 5.0%
Residue on Ignition (Sulfated Ash)	Max. 2.0%
Heavy Metals (as Pb)	Max. 20 ppm

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