Ethylene-vinyl acetate copolymer

Short Description:

Chemical Name:Ethene;ethenyl acetate
CAS No.:24937-78-8
Molecular Formula:(C2H4)x.(C4H6O2)y
Molecular Weight:114.14200
Hs Code.:3905290000
European Community (EC) Number:607-457-0
Wikipedia:Ethylene-vinyl_acetate
Mol file:24937-78-8.mol

Product Detail

Product Tags

Ethylene-Vinyl Acetate Copolymer 24937-78-8

Synonyms:Cevilen;Cevilene;Elvax;Elvax 40P;Elvax-40;ethylene vinyl-acetate copolymer;ethylenevinylacetate copolymer;EVA 260;EVA-260;EVA260;poly(ethylene-co-vinyl acetate);polyethylene vinyl acetate;Sevilene

Chemical Property of Ethylene-vinyl acetate copolymer

● Appearance/Colour:solid
● Vapor Pressure:0.714mmHg at 25°C
● Melting Point:99oC
● Boiling Point:170.6oC at 760mmHg
● Flash Point:260oC
● PSA：26.30000
● Density:0.948 g/mL at 25oC
● LogP:1.49520

● Solubility.:toluene, THF, and MEK: soluble
● Hydrogen Bond Donor Count:0
● Hydrogen Bond Acceptor Count:2
● Rotatable Bond Count:2
● Exact Mass:114.068079557
● Heavy Atom Count:8
● Complexity:65.9

Safty Information

● Pictogram(s):Xn
● Hazard Codes:Xn
● Statements:40
● Safety Statements:24/25-36/37

Useful

Chemical Classes:UVCB,Plastics & Rubber -> Polymers
Canonical SMILES:CC(=O)OC=C.C=C
Description:Ethylene-vinyl acetate copolymer has good impact resistance and stress crack resistance, softness, high elasticity, puncture resistance and chemical stability, good electrical properties, good biocompatibility, and low density, and is compatible with fillers, flame retardants agents have good compatibility.It is mainly?used for plastic products.
Physical propertiesEthylene vinyl acetate is available as white waxy solids in pellet or powder form. Films are translucent.
Uses:Flexible tubing, color concentrates, gaskets and molded parts for autos, plastic lenses and pumps.

Detailed Introduction

Ethylene-Vinyl Acetate Copolymer, often abbreviated as EVA, is a copolymer made from the combination of ethylene and vinyl acetate monomers. It is a versatile material used in various applications due to its desirable properties.
EVA copolymer has a low melting point, excellent flexibility, and a good balance of toughness and elasticity. It is resistant to water, UV radiation, and chemicals, which makes it suitable for outdoor applications. It also has good adhesion to many substrates, making it ideal for use as a binder or adhesive.
One of the main uses of EVA is in the manufacturing of foams. It is widely used to create cushioning and padding materials, such as in shoe soles, athletic equipment, and packaging materials. EVA foams provide cushioning, shock absorption, and comfort.
EVA copolymer is also used in the production of films and sheets. Its clarity, flexibility, and low-temperature performance make it suitable for applications like greenhouse covers, laminated glass, and solar panels encapsulation.
The electrical and thermal insulation properties of EVA make it useful in the wire and cable industry. EVA coatings and insulation materials are used to protect and insulate electrical wires and cables.Other applications of EVA include automotive parts, medical devices, toys, and packaging materials.
Overall, the ethylene-vinyl acetate copolymer is a versatile material with excellent properties that make it suitable for a wide range of applications.

Application

Ethylene-Vinyl Acetate Copolymer (EVA) has a wide range of applications across various industries due to its unique combination of properties. Here are some common applications of EVA:
Footwear: EVA is extensively used in the production of footwear, especially for the midsoles and insoles. It provides cushioning, shock absorption, and flexibility, making it a popular choice for athletic shoes, sandals, and slippers.
Packaging: EVA is used in packaging applications as it offers excellent impact resistance and flexibility. It is commonly used as protective packaging inserts, foam pouches, and lining for boxes and containers to safeguard delicate or fragile products during transportation.
Adhesives and sealants: EVA copolymer is used as a base material in the production of adhesives and sealants. It provides good adhesion to various substrates, such as plastics, metals, and wood, making it suitable for bonding applications.
Wire and cable insulation: EVA is utilized as an insulation material for electrical wires and cables due to its excellent electrical insulating properties. It provides resistance to moisture, chemicals, and aging, ensuring the safety and reliability of electrical systems.
Film and sheet: EVA is commonly used to produce films and sheets with varying thicknesses. These films find applications in agriculture, greenhouse covers, food packaging, solar panels, and laminated glass.
Medical devices: EVA is utilized in the healthcare industry to manufacture medical devices, such as catheters, tubing, and surgical drapes. It offers biocompatibility, flexibility, and easy processability required for medical applications.
Toys and recreational products: EVA is widely used in the production of toys and recreational products, including foam puzzles, floatation devices, yoga mats, and foam sports equipment. It provides cushioning, safety, and durability for these applications.
Automotive parts: EVA foam materials are employed in automotive applications for sound insulation, vibration damping, and impact resistance. It helps reduce noise, enhance comfort, and provide protection in vehicle interiors.
These are just a few examples of the many applications of EVA. Its versatility, flexibility, and durability make it a widely used material in various industries.