Vinyl Acetate Production Pdf

Acetaldehyde 100 ppm max acetic acid.

Vinyl acetate production pdf. The product mixture contains both a gaseous phase and a liquid phase which are separated. Vinyl acetate monomer vam production and manufacturing process. Vinyl acetate is a colorless flammable liquid that also has a characteristic smell that can quickly become irritating. Classification of the substance or mixture.

Ethylene has now become the preferred feedstock with the gas phase route used due problems of corrosion and byproduct. This monomer is used principally in the production of polyvinyl acetate pvac and other vinyl acetate co polymers. Acetylene based technology was used first in the commercial production of vam with the gas phase process preferred to the liquid phase reaction. The production of vinyl acetate monomer vam represents one of the largest industries with a growth es timate of a near 2 7 per year starting in 2008.

50ppm max water 400ppm max 2 1. Vinyl acetate monomer cas 108 05 04 purity. Vinyl acetate 108 05 4 hazard summary vinyl acetate is primarily used as a monomer in the production of polyvinyl acetate and polyvinyl alcohol. A process is disclosed for the production of vinyl acetate where a mixture of ethylene acetic acid and oxygen is reacted in the presence of a catalyst to produce a product mixture of vinyl acetate ethylene carbon dioxide acetic acid water ethyl acetate and ethylene glycol diacetate.

Vinyl acetate is the acetate ester of vinyl alcohol. Disclosed is a method for controlling a vinyl acetate production process. Vinyl acetate monomer vam production which is based on reacting acetic acid aa with ethylene and oxygen dimian and bildea 2008. Vinyl acetate c4h6o2 cid 7904 structure chemical names physical and chemical properties classification patents literature biological activities safety.

99 90 minimum hydroquinone cas 123 31 9 as a stabilizer. Polyvinyl acetate is a precursor of polyvinilyc alcohol and polyvinyl acetate resins pva. The method comprises reacting ethylene acetic acid and an oxygen containing gas in the presence of a catalyst in a reactor to produce vinyl acetate measuring the concentration of a component involved in or associated with the reaction and or any of the subsequent steps by raman spectroscopic analysis and adjusting. Vinyl acetate is also copolymerized as a minor raw material for.

Acute short term inhalation exposure of workers to vinyl acetate has resulted in eye irritation and upper respiratory tract irritation. In recent times thanks to different studies and the importance of said product one process has been developed based on the reaction of ethylene acetic acid and oxygen us. The following are the primary and side reactions.