What is VAM material CAS 108-05-4?
VAM is an acronym for vinyl acetate monomer, which is the standardized industrial name for the chemical compound vinyl acetate (CAS 108-05-4).
Vinyl acetate monomer (VAM) is a critical raw material used in the production of polymers such as polyvinyl acetate and polyvinyl alcohol. These polymers are integral to various industrial and consumer products, including adhesives, paints, coatings, films, and textiles.
VAM material readily polymerizes with acrylate esters to produce copolymers, making it highly versatile for applications in coatings, adhesives, and sealants, where flexibility, durability, and strength are required.
| Formula: | C₄H₆O₂ |
| CAS Number: | 108-05-4 |
| EC Number (EINECS): | 203-545-4 |
| HS Code: | 29153200 |
| UN Number: | 1301 |
| IUPAC Name: | Ethenyl Ethanoate |
| Also Known As: | Vinyl Acetate; Acetic Acid Vinyl Ester |
| Molecular Weight, g/mol: | 86.09 |
Vinyl Acetate Monomer (VAM material) Uses
Vinyl acetate monomer (VAM) is primarily used as a feedstock in the manufacture of two key high-value derivatives:
Polyvinyl acetate (PVA). This versatile polymer is integral to the production of a wide range of products, including paints and coatings, adhesives, coatings for flexible substrates and textile processing applications.
Polyvinyl alcohol (PVOH): Renowned for its superior film-forming properties and high resistance to oils, greases and solvents, PVOH is widely used in adhesives, coatings and water-soluble packaging films.
In addition to these core derivatives, VAM undergoes copolymerisation with ethylene to produce ethylene-vinyl acetate (EVA), which is extensively used in packaging films and extrusion coatings, as well as for wire and cable jacketing.
VAM material also acts as a critical precursor in the synthesis of polyvinyl acetals, which are used in magnetic wire insulation, safety glass interlayers, wash primers and speciality coatings.
Last but not least is ethylene vinyl alcohol (EVOH), a VAM-derived polymer that is highly prized for its exceptional gas barrier properties. This unique property makes it essential for co-extruded packaging films, especially for preserving food and for other applications requiring stringent protection for sensitive products.
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