chemical properties of Butyl Acrylate
Chemical Properties of Butyl Acrylate it is an important research direction in the chemical industry. As a key organic compound, Butyl acrylate (Acrylate, referred to as BA) is often used in the production of coatings, adhesives, textiles and other fields. This paper will discuss the basic chemical properties, stability and its application in the actual industry, and provide a comprehensive technical reference for chemical practitioners.
1. The molecular structure and basic properties of Butyl Acrylate
Butyl Acrylate is an acrylate monomer with the formula C₇H₁₂O₂ the molecular weight is about 128.17g/mol. It is a transparent liquid generated by the esterification reaction of acrylic acid and n-butanol, with a strong fruit odor.
- Boiling Point: about 145°C
- melting Point:-64°C
- density:0.89 g/cm³(20°C)
- solubility slightly soluble in water, but with alcohol, ether, ketone organic solvent good miscibility.
These basic chemical characteristics determine its performance in different temperatures and environments, making it one of the important raw materials for the preparation of polymer materials.
2. Chemical reactivity of Butyl Acrylate
the Butyl Acrylate is structurally lively double bond it is easy to polymerize with other compounds. Its polymerization properties make it particularly common in the synthesis of coatings and adhesives.
- free radical polymerization: Under the action of heat or initiators (such as peroxides), Butyl Acrylate will generate different types of copolymers through free radical polymerization.
- copolymerization characteristics: The compound can be copolymerized with monomers such as styrene and acrylic acid, giving the final product excellent elasticity and weather resistance.
- hydrolysis of ester groups under acidic or alkaline conditions, the ester bond of butyl acrylate is easily hydrolyzed to produce acrylic acid and butanol. This feature needs to be paid attention to in the recycling process.
3. Stability and storage requirements of Butyl Acrylate
since Butyl Acrylate is easy to store polymerization reaction occurs anti-agglomeration measures shall be taken to avoid product deterioration.
- Anti-aggregation measures: Usually a small amount of polymerization inhibitor, such as hydroquinone (HQ), is added to the product to inhibit spontaneous polymerization.
- Storage conditions: Should be stored in a cool, ventilated environment, avoid direct sunlight and high temperature exposure. Storage containers shall be well sealed to prevent air and moisture from entering and causing hydrolysis or deterioration.
- Dangerous this compound has a certain flammability(flash point is 39°C), in the process of storage and transportation must strictly comply with the chemical transport specifications.
4. Application of Butyl Acrylate in Industry
Butyl Acrylate is widely used in multiple industrial fields, and its chemical properties make it a high performance polymer materials the ideal choice.
- Paint: It is an important component of latex paint and water-based paint, providing good weather resistance and adhesion.
- Adhesive: Due to its excellent flexibility and adhesion, Butyl Acrylate are often used in the preparation of pressure-sensitive adhesives and industrial adhesives.
- Textile and Paper Processing: BA is used to improve softness and abrasion resistance in textile and paper surface treatment processes.
Butyl Acrylate is also used to prepare various acrylic copolymers to meet the needs of the automotive industry and building materials for durability and gloss.
5. Safety and Environmental Precautions
butyl acrylate belongs low toxicity compound however, appropriate safety measures must be taken. Long-term exposure to high concentrations may cause skin irritation or respiratory discomfort.
- Protective measures wear gloves, goggles and respiratory protection equipment to avoid direct skin contact or inhalation of vapors.
- Waste disposal: Discarded Butyl Acrylate should be disposed of in accordance with environmental regulations to avoid polluting water and soil.
- Leak Emergency: In case of leakage, inert materials (such as sand) can be used for adsorption and proper treatment, and the site shall be well ventilated.
Summary
through the above analysis, we can see that the chemical properties of Butyl Acrylate have significant reactivity and application value. Its unique polymerization properties and good solubility make it widely used in coatings, adhesives and other fields. The storage and use of butyl acrylate also presents certain risks that need to be properly managed. In the future industrial development, with the improvement of environmental protection requirements, the safe use of the compound and waste management will become more and more important.