1、乙酸乙烯酯_百度百科
乙酸乙烯酯（Vinyl Acetate）又称醋酸乙烯酯、乙烯基乙酸酯、乙烯乙酸等，它是一种有机化合物，其分子式为C4H6O2，相对分子质量为86.09。
2、Vinyl acetate: Properties, Production process and Uses
Vinyl acetate is a colorless, transparent and flammable liquid with a strong odor. It is soluble in most organic solvents and slightly soluble in water. The physical properties of vinyl acetate are listed in Table 6.1.
3、Poly (vinyl Acetate)
Polyvinyl acetate (PVAc) is defined as the homopolymer of vinyl acetate, produced through free radical vinyl polymerization of the monomer vinyl acetate. It is a solid polymer that is insoluble in water and has various applications, characterized by its specific physical and chemical properties.
4、Vinyl Acetate
Vinyl acetate is a man-made chemical. It is a colorless liquid. with a sweet, fruity smell. Vinyl acetate is used in industry to make glues, paints, plastics, sporting equipment (e.g., ski boots, bicycle seats), rubber foam, and building material.
5、Vinyl Acetate Monomer (VAM)
Vinyl acetate or vinyl acetate monomer (VAM) is primarily used in the production of other chemicals used in various industrial and consumer product applications.
what is vinyl acetate
Vinyl acetate, chemically known as vinyl acetate monomer (VAM), is an organic compound with the chemical formula C₄H₆O₂. It is a colorless liquid that has a characteristic sweet odor.
Ethylene Vinyl Acetate (EVA)
Composed of Ethylene and Vinyl Acetate, this thermoplastic polymer is recognized for its exceptional flexibility, low-temperature toughness, and resistance to UV radiation. At a molecular level, EVA is characterized by the copolymerization of ethylene (C 2 H 4) and vinyl acetate (C 4 H 6 O 2).
What is vinyl acetate
Polymer Production Vinyl acetate is an important raw material in polymer production, especially in the production of polyvinyl alcohol, polyvinyl acetate (PVA), polyvinyl chloride (PVC) and other polymers, it has an irreplaceable role as the main monomer.
Vinyl Acetate
Vinyl acetate is an industrial chemical that is produced in large amounts in the United States. It is a clear, colorless liquid with a sweet, fruity smell. It is very flammable and may be ignited by heat, sparks, or flames. Vinyl acetate is used to make other industrial chemicals.
What Is Vinyl Acetate?
Vinyl acetate is a precursor chemical most often used in the manufacture of polyvinyl acetate monomers or polymers, similar plastic compounds of low to high molecular weight that can be combined to form other plastics.
In modern industrial production, the selection and utilization of materials play a decisive role in determining product performance, appearance, and cost. With advancements in technology and societal development, the development and application of new materials have become a focus in the industrial field. Vinyl acetate (VAc), a novel synthetic resin, has garnered widespread attention in recent years. This article will analyze whether vinyl acetate qualifies as a plastic from multiple perspectives, exploring its characteristics, applications, and significance in contemporary society.
1. Chemical Structure and Nomenclature
Vinyl acetate, with the molecular formula C₄H₆O₂, is synthesized through the esterification reaction of vinyl alcohol (-CH=CH-) and acetic acid (CH₃COOH). Its name derives from the "vinyl" group in its chemical structure, which endows VAc with unique properties. Compared to conventional plastics such as polyvinyl alcohol (PVA) or polyvinyl chloride (PVC), VAc exhibits a more complex structure, leading to distinct performance differences.
2. Physical Properties
VAc appears as an amorphous solid or semi-transparent liquid, characterized by flexibility and elasticity, enabling compatibility with various molding processes. Its melting point is approximately 145°C, higher than many traditional plastics, allowing for lower processing temperatures and reduced energy consumption. Additionally, VAc demonstrates good thermal stability, retaining its shape at elevated temperatures—a critical advantage for high-temperature applications.
3. Mechanical Performance
The mechanical properties of VAc depend on its purity and additives. Pure VAc has low tensile strength but high elongation at break, meaning it can undergo significant deformation without fracturing. Its hardness and rigidity are also purity-dependent; while pure VAc is relatively soft, its hardness and rigidity can be enhanced through filler addition. These properties make VAc suitable for manufacturing lightweight, high-strength components.
4. Optical Properties
VAc’s optical performance is influenced by its refractive index. Pure VAc has a low refractive index, resulting in poor transparency and limiting its use in high-clarity applications. its optical properties can be significantly improved by formulation adjustments. For example, adding plasticizers enhances transparency and gloss, while pigments impart color, expanding VAc’s applications in optical instruments and decorative materials.
5. Application Fields
Due to its unique physical and chemical properties, VAc is widely used across industries. In electronics and appliances, it serves as insulation material, adhesives, and coatings—critical components in devices. In automotive manufacturing, VAc is employed for interiors and parts, offering aesthetics, durability, and eco-friendliness. In construction, it is used for flooring, ceilings, doors, and windows, providing longevity and ease of installation.
vinyl acetate (VAc) is an emerging synthetic resin with distinctive physical and chemical properties. While differing from traditional plastics in some respects, its unique capabilities position it as a valuable material in specific domains. With technological progress and societal evolution, VAc’s applications will likely expand, reinforcing its importance in modern industrial production. research and development of VAc are crucial to meet growing market demands.
