HENAN PROSPER CHEM CO., LTD.
Vinyl Acetate Monomer(VAM)

Vinyl Acetate Monomer(VAM)

Application of VAM

used in the production of polyvinyl alcohol, coatings and adhesives.It is an important organic chemical material.Vinyl acetate by its polymerization or copolymerization with other monomers,mainly use for the production of polyvinyl acetate (PVAc),polyvinyl alcohol (PVA),vinyl acetate - ethylene copolymer emulsion (VAE) or vinyl acetate copolymer (EVA) resin,vinyl chloride copolymer (EVC), acetal resins such as derivatives. These derivatives usage is very extensive and can be used for bonding agent, and glue pharmaceutical of paper or fabric, coating, ink, leather processing, fibre processing, emulsifier, water soluble film, soil conditioner,.VAM is an important synthetic material monomer. with the progress of science and technology, other downstream products and new applications are still in constant development.

Vinyl acetate is used to make other  industrial chemicals.These chemicals are used mainly to make glues for the packaging and building industries.They are also used to make paints,textiles,and paper.Vinyl acetate is also used as a coating in plastic films for food packaging and as a modifier of food starch.

Physical properties of VAM

Melting point: -93 °C
Boiling point: 72-73 °C (lit.)
Density: 0.934 g/mL at 25 °C (lit.)
Chemical properties: It's a colorless flammable liquid with a sweet ether smell. It's miscible with ethanol, soluble in ether, acetone, chloroform, carbon tetrachloride and other organic solvents, and insoluble in water.

Uses of VAM

Vinyl acetate is the main raw material for the production of synthetic fiber vinylon. Self-polymerization of vinyl acetate or copolymerization with its monomers creates polyvinyl alcohol (PVA), vinyl acetate copolymer (EVA), vinyl chloride copolymer (EVC), vinyl acetate-acrylonitrile fiber, and vinyl acetate-acrylate copolymers, which have important industrial applications and are widely used as adhesives, architectural coatings, textile sizing agents and finishing agents, paper reinforcements and used for the manufacture of safety glass. Ethyl acetate reacted with ethanol and bromine produces bromoacetaldehyde diethyl acetal, which is the intermediate of the drug methimazole.

Invasive route of VAM

inhalation, ingestion, and percutaneous absorption.

Health hazards of VAM

This product is irritating to eyes, skin, mucous membranes and upper respiratory tract. Prolonged exposure creates an anesthetic effect, thus rapid withdraw from its leaking and contaminated areas to safe areas and isolation and strict access restriction are necessary. In addition, fire should be separated. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and protective fire protection clothing. Cut off sources of leakage as much as possible to prevent it floating into sewers, flood drains and other restricted spaces.

For a small amount of its leakage, vinyl acetate monomer can be absorbed with sand or other non-combustible materials. It can also be scrubbed with a non-combustible dispersant, which will be later diluted and poured into the waste water system.

For a large amount of its leakage, it can be dealt with by constructing embankments or digging pits for containment. The spray-like water is used to cool and dilute its vapor, protecting the on-site personnel and diluting the vapor into incombustibles. Use explosion-proof pump to transfer it to the tanker or special collector and have it recycled or transported to waste disposal sites for treatment.

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