Ethylene vinyl acetate eva copolymer resins.
Ethylene vinyl acetate copolymer resin.
Ethylene vinyl acetate eva also known as poly ethylene vinyl acetate peva is the copolymer of ethylene and vinyl acetate the weight percent of vinyl acetate usually varies from 10 to 40 with the remainder being ethylene.
In addition poly vinyl acetate ethylene vae copolymers possess enhanced toughness flexibility and serviceability.
On a weight basis ethylene is far more effective a fact that is reflected in the low tg of polyethylene homopolymer below 80 c.
Relevant identified uses of the substance or mixture and uses advised against.
Resin for packaging adhesives film forming and molding resins hot.
Here the effects of vinyl acetate va content 12 40 wt on the.
Eva ethylene vinyl acetate this copolymer resin can be used in adhesives sealants and coatings.
Having outstanding clarity gloss and weather resistance our nipoflex resins offer flexibility over wide temperature ranges as well as high impact strength elasticity and resistance to flex and environmental stress cracking.
Both effects result in a lowering of the tg of the final copolymer.
Also it imparts plastic like properties that enable wax to compete effectively with high quality polymeric coatings.
In the last two published papers the influences of wax and asphaltene content on the synergistic performance of ethylene vinyl acetate eva copolymer together with resin stabilized asphaltenes on the flow behavior improving of model waxy oil were systematically investigated and a relevant mechanism has been proposed.
It is an extremely elastic and tough thermoplastic of excellent clarity and gloss and with little odor.
They are mainly used for foaming coating extrusion and injection molding applications for many important industrial market segments such as shoe soles sheets wire and cable hot melt adhesive and solar cell encapsulation.
24937 78 8 ethylene vinyl acetate eva ethylene vinyl acetate copolymer ethylene vinyl acetate polymer 1 2.
There are three different types of eva copolymer which differ in the vinyl acetate va content and the way the materials are used.
Ethylene vinyl acetate or eva is a copolymer of ethylene and vinyl acetate with a structure as shown below.
Ethylene vinyl acetate copolymer resins sealing the deal our elvax ethylene vinyl acetate eva copolymer resins offer a variety of solutions for your sealants in meat and dairy packaging structures footwear wire and cable insulation as well as photovoltaic encapsulants and sheets.
These material are used when a combination of softness toughness flexibility and polarity are needed.
Ethylene vinyl acetate copolymer eva properties and applications.
Eva offers good bondability and adhesion to polar substrates in extrusion coating and multi layer film applications.
Ethylene vinyl acetate eva copolymer cas no.
Chemical formula diagram.
