Description

Acetic Acid Ethenyl Ester, Polymer With Oxirane is a specialized copolymer of vinyl acetate and ethylene oxide, identified by CAS No. 25820-49-9. This versatile polymer is valued for its unique combination of properties derived from its constituent monomers, offering a balance of hydrophilicity, flexibility, and film-forming capabilities. It is an essential raw material for formulators and manufacturers in the adhesives, coatings, and specialty chemical industries seeking to enhance product performance.

Application

• Adhesive Formulations: Acts as a key polymeric binder and tackifier in pressure-sensitive adhesives (PSAs) and laminating adhesives.
• Coatings and Paints: Used as a film-forming agent and modifier in water-based coatings, providing improved adhesion and flexibility.
• Textile and Fiber Sizing: Serves as a protective coating and sizing agent for synthetic fibers and yarns to reduce breakage during weaving.
• Paper Coatings: Employed in barrier coatings and as a binder to improve paper strength, printability, and gloss.
• Personal Care Products: Functions as a film former and stabilizer in hair sprays, mousses, and other cosmetic formulations.
• Construction Materials: Incorporated into cement modifiers and ceramic binders to enhance workability and final material properties.

Basic Information

Product Name	Acetic Acid Ethenyl Ester, Polymer With Oxirane
CAS No.	25820-49-9
Molecular Formula	(C4H6O2·C2H4O)x
Molecular Weight	Varies (Polymer)
Synonyms	Vinyl Acetate - Ethylene Oxide Copolymer; Ethenyl Acetate Polymer with Oxirane; Poly(ethylene oxide-co-vinyl acetate); Ethylene Oxide/Vinyl Acetate Copolymer; Oxirane, Polymer with Acetic Acid Ethenyl Ester; VAE Copolymer; EVA Copolymer (Ethylene-Vinyl Acetate type); Acetic Acid Ethenyl Ester Homopolymer, Ethoxylated
EINECS	Contact for details

Quality Control

Our Acetic Acid Ethenyl Ester, Polymer With Oxirane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in parameters such as monomer ratio, molecular weight distribution, viscosity, and residual monomer content. A Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee compliance with your technical requirements.

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 heat sources and open flames. For long-term storage, consider under an inert atmosphere to maintain polymer stability.

Specification

Item	Specification
Appearance	White to off-white solid or viscous liquid
Identification (IR)	Complies
Assay (Copolymer Content)	≥ 95.0 %
Vinyl Acetate Content	30 - 70 %
Ethylene Oxide Content	30 - 70 %
Viscosity (Brookfield)	Contact for details
Residual Monomer (GC)	< 0.5 %
Moisture Content (KF)	< 1.0 %
pH (in solution)	5.0 - 8.0

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