Etheyl Vinyl Acetate
Poly 1 vinylpyrrolidone co vinyl acetate 1 product result.
Etheyl vinyl acetate. Vinyl acetate c4h6o2 cid 7904 structure chemical names physical and chemical properties classification patents literature biological activities safety. 2 1 2 methoxymethoxy ethyl vinyl 4 methyl 6 oxobicyclo 2 2 2 oct 2 yl acetate 1 product result match criteria. Vinyl acetate is the acetate ester of vinyl alcohol. Poly ethylene vinyl acetate 1 product result match criteria.
Coffee beans and tea leaves are decaffeinated with this solvent. Ethylene vinyl acetate eva is a random copolymer of ethylene and varying amounts of vinyl acetate va. As the va content increases crystallinity decreases until at 50 the eva is totally amorphous. Eva shows good barrier and stretch properties.
The major industrial route involves the reaction of ethylene and acetic acid with oxygen in the presence of a palladium catalyst. Ethyl acetate is used primarily as a solvent and diluent being favored because of its low cost low toxicity and agreeable odor. Product name cas number. It shows good chemical resistance.
The weight percent of vinyl acetate usually varies from 10 to 40 with the remainder being ethylene. Ethylene vinyl acetate offers good low temperature flexibility. 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. United states pharmacopeia usp reference standard.
For example it is commonly used to clean circuit boards and in some nail varnish removers acetone is also used. Ethylene vinyl acetate is a flexible and transparent thermoplastic. Ethylene vinyl acetate eva also known as poly ethylene vinyl acetate peva is the copolymer of ethylene and vinyl acetate.