Vinyl Acetate Monomer Production Process
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The major industrial route involves the reaction of ethylene and acetic acid with oxygen in the presence of a palladium catalyst.
Vinyl acetate monomer production process. Vinyl acetate is used chiefly as a monomer to make polyvinyl acetate and other copolymers. The industrial process for the vapor phase manufacture of vinyl acetate monomer is quite common daniels 1989 and utilizes widely available raw materials. Polyvinyl acetate is a precursor of polyvinilyc alcohol and polyvinyl acetate resins pva. Because of equipment corrosion associated with the liquid phase process a vapor phase acetoxylation technology was developed and commercialized in the 1970s.
This monomer is used principally in the production of polyvinyl acetate pvac and other vinyl acetate co polymers. Vinyl acetate c4h6o2 cid 7904 structure chemical names physical and chemical properties classification patents literature biological activities safety. Vinyl acetate monomer october 2012 vinyl acetate production from the acetoxylation of ethylene was developed and commercialized starting with the liquid phase process. Therefore the study of vinyl acetate bulk polymerization is of great interest from a process safety point of view even if it is not a commercial wide spread process.
Has unveiled a new process for manufacturing vinyl acetate monomer vam an intermediate petrochemical used to make emulsions and packaging films. Vinyl acetate is the acetate ester of vinyl alcohol. Acetate monomer previous to its use in the polymerization process. Acetylene based technology was used first in the commercial production of vam with the gas phase process preferred to the liquid phase reaction.
Vinyl acetate monomer vam production and manufacturing process. A simplified process scheme for the production of vinyl acetate monomer from a fatty acid or triacyl glyceride based oil via non catalytic cracking. Vinyl acetate monomer vam production which is based on reacting acetic acid aa with ethylene and oxygen dimian and bildea 2008. Vinyl acetate is a colorless flammable liquid that also has a characteristic smell that can quickly become irri tating.
Hoechst celanese union carbide and quantum chemical are reported us manufacturers. The following are the primary and side reactions. 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.
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