Description

Poly(Ethylene-Co-Vinyl Acetate-Co-Carbon Monoxide) is a specialized terpolymer that combines the properties of polyethylene, poly(vinyl acetate), and polyketone structures. This unique composition provides an exceptional balance of flexibility, adhesion, and chemical resistance, making it a critical material for advanced polymer formulations. It is primarily sought by manufacturers in the adhesives, coatings, and polymer modification sectors who require materials with enhanced performance characteristics.

Application

• Hot-Melt Adhesives (HMA): Acts as a key tackifier and flexibility enhancer, improving low-temperature performance and adhesion to diverse substrates.
• Polymer Blending & Modification: Used as a compatibilizer and impact modifier to enhance the toughness and processability of engineering plastics.
• Specialty Coatings & Inks: Imparts excellent adhesion, flexibility, and chemical resistance in protective and decorative coatings.
• Wire & Cable Insulation: Serves as a component in insulation compounds to improve environmental stress crack resistance (ESCR) and flexibility.
• Automotive Components: Utilized in formulations for seals, gaskets, and interior trim parts requiring durability and weatherability.
• Footwear & Sporting Goods: Incorporated into soles and components to provide a balance of cushioning, flexibility, and abrasion resistance.

Basic Information

Product Name	Poly(Ethylene-Co-Vinyl Acetate-Co-Carbon Monoxide)
CAS No.	26337-35-9
Molecular Formula	(C2H4)x(C4H6O2)y(CO)z
Molecular Weight	Varies by monomer ratio (Contact for details)
Synonyms	EVA-CO Terpolymer; Poly(ethylene-vinyl acetate-carbon monoxide); Ethylene/Vinyl Acetate/Carbon Monoxide Terpolymer; EVACO; PEVA-CO; Polyketone-modified EVA; Elvaloy® (certain grades); Polymer modifier PK
EINECS	Contact for details

Quality Control

Our Poly(Ethylene-Co-Vinyl Acetate-Co-Carbon Monoxide) is manufactured under a stringent quality management system. Each batch undergoes rigorous testing for key parameters including monomer content, melt flow index (MFI), and thermal properties to ensure consistent performance and lot-to-lot uniformity. Certificates of Analysis (COA) documenting full specifications are available upon request.

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 flame. For long-term storage, consider using under an inert atmosphere to prevent oxidation.

Specification

Item	Specification
Appearance	White to off-white pellets or granules
Vinyl Acetate (VA) Content	9% - 40% (Customizable)
Melt Flow Index (MFI)	2 - 50 g/10 min (190°C, 2.16 kg)
Density	0.93 - 0.97 g/cm³
Melting Point (DSC)	60 - 95 °C
Ash Content	≤ 0.5 %

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