Ethylene Vinyl Acetate Copolymer Toxicity

You can easily smell vinyl acetate when it is in the air at levels around 0 5 ppm half a part of vinyl acetate in 1 million parts of air.

Ethylene vinyl acetate copolymer toxicity.

Meanwhile higher ethylene content increases sealing temperature stiffness and. The weight percent of vinyl acetate usually varies from 10 to 40 with the remainder being ethylene. Ethylene vinyl acetate is a type of plastic a polymer with a wide variety of uses both residential and industrial. Ethylene va copolymer is a polymer of ethylene and vinyl acetate monomers.

Eva is the copolymer of ethylene and vinyl acetate. Copolymer of vinyl chloride vinyl acetate and vinyl alcohol cas number. The food and drug administration fda has stated that ethylene vinyl acetate is safe when used in food production packaging or transportation and it s not an especially dangerous material. Vinyl acetate is the acetate ester of vinyl alcohol.

Most important symptoms and effects both acute and delayed. Vinyl acetate is a clear colorless liquid. Ethylene vinyl acetate known as eva is the copolymer of ethylene and vinyl acetate. Non reproductive organ system toxicity moderate adhesive binder film former suspending agent nonsurfactant binding emulsion stabilising and film forming.

5 13 it is a polymer that approaches elastomeric materials in softness and flexibility yet can be processed like other thermoplastics. 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. Eva properties vary depending on the comonomers contents. Ethylene vinyl acetate eva copolymer safety data sheet international polymers company safety data sheet according to regulation ec no.

Vinyl acetate increases gas permeability impact strength crystallinity coefficient of friction and optical qualities. Search results for ethylene vinyl acetate at sigma aldrich. 1272 2008 regulation ec no 1907 2006 ethylene vinyl acetate copolymer rev 1 01 2013 page 3 4 2. Poly ethylene vinyl acetate 1 product result match criteria.

Since vinyl alcohol is highly unstable with respect to acetaldehyde the preparation of vinyl acetate is more complex than the synthesis of other acetate esters. The major industrial route involves the reaction of ethylene and acetic acid with oxygen in the presence of a palladium catalyst. It has a sweet pleasant fruity smell but the odor may be sharp and irritating to some people. 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 a k a.