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Vinyl acetate monomer
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Vinyl acetate monomer

CAS: 108-05-4

Vinyl Acetate Monomer also known as VAM, acetic acid ethenyl ester, acetic acid ethylene ether, acetoxyethene, 1-acetoxyethylene, ethenyl ethanoate, ethenyl acetate, and acetic acid vinyl ester with the molecular formula C4H6O2. It is a colourless liquid with a pungent and typical odour. 

Vinyl acetate monomer
Vinyl acetate monomer

Production

Vinyl acetate monomer VAM is produced starting from the reaction of ethylene and acetic acid with oxygen.  The VAM is recovered by condensation and scrubbing and is purified by distillation. 

VAM has a specific gravity of 0.933, a flash point of -8° C and is highly flammable. 

Uses

Approximately 75% of all the VAM produced in the world is used to produce polyvinyl acetate (PVAc) and polyvinyl alcohol (PVA). 

VAM is a key ingredient in emulsion polymers, resin, and intermediates used in paints, adhesive, coatings, textiles, wire and cable polyethylene compounds, laminated safety glass (PVB), packaging (Ethylene-vinyl acetate EVA), automotive plastic fuel tanks and acrylic fibres.

Polyvinyl acetate is used in paints, adhesives, paper coatings and textile treatments, while polyvinyl alcohol is used in the production of adhesives, coatings, and water soluble packaging, and textile warp sizing.

VAM is also used to make polyvinyl butyral (PVB) which is used in laminated safety glass for cars and buildings. 

Arpadis is one of the largest suppliers and distributor of
Vinyl acetate monomer .