Vinyl Acetate Monomer (VAM) – Product Description
Vinyl Acetate Monomer (VAM) is a colorless, flammable liquid with a sweet odor. It is an important chemical intermediate used primarily in the production of polyvinyl acetate (PVA) and polyvinyl alcohol (PVOH), which are widely utilized in adhesives, paints, coatings, and various other applications. VAM is produced through the reaction of ethylene, acetic acid, and oxygen, and it is known for its reactivity and ability to polymerize easily, making it a valuable building block in the chemical industry.
Key Uses of Vinyl Acetate Monomer
- Adhesives: VAM is a key ingredient in the formulation of various adhesives, including wood glues, paper adhesives, and construction adhesives.
- Paints and Coatings: It is used in the production of water-based paints and coatings, providing excellent adhesion, flexibility, and durability.
- Textiles: VAM is utilized in textile applications to enhance the properties of fibers and fabrics.
- Films and Packaging: It is used in the production of films and packaging materials that require good barrier properties and flexibility.
- Emulsions: VAM is a component in the production of emulsions for various applications, including sealants and caulks.
Technical Data
| Property | Value |
|---|---|
| Chemical Formula | C4H6O2 |
| Molecular Weight | 86.09 g/mol |
| Appearance | Colorless liquid |
| Odor | Sweet, fruity |
| Boiling Point | 72.7 °C (162.9 °F) |
| Melting Point | -93.5 °C (-136.3 °F) |
| Density | 0.93 g/cm³ |
| Flash Point | 16 °C (61 °F) |
| Solubility in Water | Slightly soluble |
| Vapor Pressure | 6.1 mmHg at 20 °C |
| Polymerization Temperature | 60-80 °C |
Safety and Handling
- Flammability: VAM is highly flammable; proper precautions should be taken to avoid open flames and sparks.
- Toxicity: Exposure to VAM can cause irritation to the skin, eyes, and respiratory tract. Adequate ventilation and personal protective equipment (PPE) are recommended during handling.
- Storage: Store in a cool, dry place away from heat sources and incompatible materials.
Conclusion
Vinyl Acetate Monomer is a versatile chemical compound with a wide range of applications across various industries. Its unique properties make it an essential ingredient in the production of adhesives, paints, and coatings, among others. Understanding its technical data and safety measures is crucial for effective handling and utilization in industrial processes.