Ethyleneglycol Dimethacrylate

Properties

product_name	Ethyleneglycol dimethacrylate
CAS_number	97-90-5
formula	C10H14O4
molar_mass	198.22
boiling_point	150-155°C at 15 mmHg
melting_point	-10°C
density	1.05 g/cm³ at 20°C
refractive_index	1.452-1.454
flash_point	115°C
vapor_pressure	0.1 mmHg at 20°C
viscosity	7-8 mPa·s at 20°C
solubility_in_water	Insoluble
appearance	Colorless liquid
odor	Ester-like

FAQ

What is Ethyleneglycol dimethacrylate (EGDMA) and what is it used for?

Ethyleneglycol dimethacrylate (EGDMA) is a versatile chemical compound commonly used in the production of polymer-based materials. It is a clear, colorless liquid with a slightly sweet odor. EGDMA is widely used in various industries such as adhesives, coatings, dental materials, and composites due to its excellent adhesive properties and high strength.

How is EGDMA different from other dimethacrylates?

EGDMA is a specific type of dimethacrylate that contains two methacrylate groups in its chemical structure. This allows EGDMA to form strong crosslinks with other monomers, resulting in a highly durable and stable polymer network. Its unique chemical composition makes EGDMA particularly suitable for applications requiring superior strength and resilience.

What are the key benefits of using EGDMA in polymer formulations?

One of the main advantages of using EGDMA in polymer formulations is its ability to enhance the mechanical properties of the resulting materials. EGDMA can improve the tensile strength, flexibility, and impact resistance of polymers, making them more suitable for demanding applications. Additionally, EGDMA can increase the adhesion between different materials, leading to better overall performance.

How does EGDMA contribute to the curing process of polymers?

EGDMA acts as a crosslinking agent in polymer formulations, promoting the curing process by forming strong covalent bonds between polymer chains. This crosslinking mechanism results in the formation of a three-dimensional network structure, which enhances the physical properties of the material. EGDMA helps improve the thermal stability, chemical resistance, and overall durability of the cured polymers.

What types of polymers can be synthesized using EGDMA?

EGDMA is compatible with a wide range of monomers, allowing for the synthesis of various types of polymers with unique properties. It can be used in combination with acrylates, methacrylates, and other vinyl monomers to tailor the characteristics of the final polymer. EGDMA is commonly employed in the production of acrylic-based polymers, polyurethanes, and epoxy resins.

How can EGDMA be incorporated into different formulations?

EGDMA is typically added to polymer formulations as a reactive diluent or a crosslinking agent. It can be blended with other monomers or polymers to adjust the viscosity, curing time, or mechanical properties of the final material. EGDMA should be carefully mixed with other components to ensure uniform dispersion and efficient curing. The optimal concentration of EGDMA will vary depending on the specific application and desired outcome.

What safety precautions should be taken when handling EGDMA?

As with any chemical compound, proper handling and storage of EGDMA are essential to ensure safety in the workplace. EGDMA should be stored in a cool, well-ventilated area away from sources of heat or ignition. Personal protective equipment such as gloves, goggles, and lab coats should be worn when handling EGDMA to prevent skin contact or inhalation. Spills should be cleaned up promptly following appropriate procedures.

Are there any environmental considerations associated with using EGDMA?

EGDMA is biodegradable under certain conditions and poses minimal risk to the environment when used responsibly. However, spillage or improper disposal of EGDMA may lead to contamination of soil or water sources. It is important to follow local regulations and best practices for handling and disposing of EGDMA to minimize environmental impact. Recycling or reusing leftover EGDMA can help reduce waste and promote sustainability.

Can EGDMA be customized for specific applications or requirements?

Yes, EGDMA can be customized or modified to meet specific application requirements or performance criteria. By adjusting the composition, molecular weight, or functionality of EGDMA, its properties can be tailored to suit different applications. Manufacturers can work closely with suppliers to develop customized formulations of EGDMA that optimize the performance and cost-effectiveness of their products. Customized EGDMA solutions offer greater flexibility and versatility in polymer design and manufacturing.