Allyl Methacrylate


Properties

product_name Allyl methacrylate
CAS_number 96-05-9
formula C7H10O2
molar_mass 126.16 g/mol
boiling_point 154-156°C
density 0.92 g/cm³
refractive_index 1.433-1.435
flash_point 48°C
solubility Slightly soluble in water
viscosity Not available
vapor_pressure 3 mmHg at 25°C
appearance Colorless liquid
odor Ester-like

FAQ

What is allyl methacrylate and what are its uses?

Allyl methacrylate, also known as allyl 2-methylprop-2-enoate, is a colorless liquid with a sharp, fruity odor. It is primarily used as a monomer in the production of various polymers and copolymers. Allyl methacrylate is commonly used in industries such as adhesives, coatings, and plastics due to its ability to improve the flexibility and adhesion properties of the final products.

How is allyl methacrylate produced?

Allyl methacrylate is typically produced through the esterification reaction of methacrylic acid with allyl alcohol. This reaction is often catalyzed by acidic catalysts such as sulfuric acid or p-toluenesulfonic acid. The resulting allyl methacrylate is then purified through distillation to obtain the final product.

What are the key properties of allyl methacrylate?

Allyl methacrylate exhibits several important properties that make it a valuable monomer in various applications. It has a low viscosity, good solubility in organic solvents, and excellent adhesion to substrates. Additionally, allyl methacrylate offers high reactivity, good weatherability, and resistance to heat and chemicals.

What are the main applications of allyl methacrylate?

Allyl methacrylate is widely used in the production of adhesives, coatings, and plastics. In adhesives, it is utilized to improve the bonding strength and flexibility of the adhesive. In coatings, allyl methacrylate enhances the adhesion and durability of the coating. In plastics, it is used to improve impact resistance and transparency.

Are there any safety considerations when handling allyl methacrylate?

When handling allyl methacrylate, it is important to take proper safety precautions as it is a flammable liquid and may cause irritation to the skin, eyes, and respiratory system. Personal protective equipment such as gloves, goggles, and a respirator should be worn when working with allyl methacrylate. Additionally, proper ventilation and storage practices should be followed to minimize exposure.

What are the storage and handling recommendations for allyl methacrylate?

Allyl methacrylate should be stored in a cool, dry, well-ventilated area away from sources of heat and ignition. It should be kept in a tightly sealed container to prevent evaporation and contamination. When handling allyl methacrylate, it is important to use appropriate equipment such as chemical-resistant gloves, safety glasses, and a lab coat to minimize exposure.

How does allyl methacrylate contribute to the performance of adhesives?

Allyl methacrylate plays a significant role in improving the performance of adhesives by enhancing their flexibility, adhesion, and durability. As a reactive monomer, allyl methacrylate can crosslink with other monomers to form a strong network structure that improves the mechanical properties of the adhesive. This results in adhesives that have better bonding strength, impact resistance, and weatherability.

In what ways does allyl methacrylate enhance the properties of coatings?

Allyl methacrylate is used in coatings to enhance their adhesion, durability, and weatherability. By incorporating allyl methacrylate into the polymer matrix, coatings can achieve improved bonding to substrates, resistance to abrasion and chemicals, and protection against UV radiation. This results in coatings that have enhanced performance and longevity in various applications.

How does allyl methacrylate improve the characteristics of plastics?

In plastics, allyl methacrylate is used to improve impact resistance, transparency, and weatherability. By copolymerizing allyl methacrylate with other monomers, plastics can achieve better toughness, clarity, and resistance to external factors such as heat and moisture. This helps in producing high-quality plastic products with enhanced properties for a wide range of applications.