| product_name | Methoxyethyl methacrylate |
| CAS_number | 45103-58-6 |
| formula | C7H12O3 |
| molar_mass | 144.17 |
| boiling_point | 170-175°C |
| density | 0.983 g/cm³ |
| refractive_index | 1.440 |
| flash_point | 58°C |
| viscosity | 1.2 cP |
| melting_point | -50°C |
| vapor_pressure | 0.3 mmHg at 20°C |
| solubility_in_water | 1.0 g/L |
| appearance | Clear colorless liquid |
| autoignition_temperature | 285°C |
| specific_gravity | 0.980 |
What is Methoxyethyl methacrylate and what are its uses?
Methoxyethyl methacrylate,
also known as MEMA, is a colorless liquid with a characteristic odor. It is a monofunctional
methacrylate ester that is commonly used as a reactive diluent in radiation-curable
coatings, adhesives, sealants, and inks. MEMA offers excellent weatherability, chemical
resistance, and adhesion properties, making it suitable for various industrial
applications.
What are the key benefits of using Methoxyethyl methacrylate in
formulations?
One of the main advantages of using Methoxyethyl methacrylate is its
low volatility, which helps reduce emissions during processing. Additionally, MEMA enhances
the flexibility, durability, and adhesion of coatings and adhesives. Its fast curing
characteristics and compatibility with other monomers make it a versatile ingredient in
formulating high-performance products. MEMA also imparts excellent weatherability and
resistance to yellowing, ensuring long-term quality and appearance.
How does
Methoxyethyl methacrylate contribute to the performance of radiation-curable
systems?
In radiation-curable systems, Methoxyethyl methacrylate acts as a reactive
diluent that helps reduce viscosity and improve the flow properties of the formulation. MEMA
undergoes rapid polymerization under UV or electron beam radiation, crosslinking with other
monomers to form a durable coating or adhesive. This process results in a tough,
scratch-resistant finish with good adhesion to various substrates. MEMA's chemical structure
also enables it to enhance the flexibility and impact resistance of cured
products.
Can Methoxyethyl methacrylate be used in combination with other
monomers?
Yes, Methoxyethyl methacrylate is highly compatible with a wide range of
monomers, such as acrylates, methacrylates, and oligomers. By blending MEMA with other
reactive diluents or crosslinking agents, formulators can tailor the performance
characteristics of the final product to meet specific requirements. This versatility allows
for the optimization of properties like hardness, flexibility, adhesion, and chemical
resistance in radiation-curable coatings and adhesives.
What precautions should be
taken when handling Methoxyethyl methacrylate?
As with any chemical substance, it is
important to follow proper safety measures when handling Methoxyethyl methacrylate. MEMA is
a flammable liquid and should be stored in a cool, well-ventilated area away from sources of
ignition. Personal protective equipment, such as gloves, goggles, and lab coats, should be
worn when handling MEMA to minimize the risk of skin contact or inhalation. In case of
accidental exposure, immediate medical attention should be sought, and spills should be
cleaned up using appropriate absorbent materials.
How can Methoxyethyl methacrylate
be incorporated into formulations effectively?
To incorporate Methoxyethyl
methacrylate into formulations effectively, it is recommended to mix MEMA with other
monomers and additives using high-speed stirring or homogenization equipment. The ratio of
MEMA to other components should be carefully adjusted to achieve the desired properties of
the final product. Additionally, formulators should consider the curing conditions, such as
UV intensity and exposure time, to ensure proper crosslinking and curing of the formulation.
Conducting compatibility tests and performance evaluations can help optimize the formulation
for specific applications.
What are the storage and shelf life recommendations for
Methoxyethyl methacrylate?
Methoxyethyl methacrylate should be stored in tightly
sealed containers away from direct sunlight, heat, and moisture to prevent degradation. The
recommended storage temperature for MEMA is between 0°C to 30°C to maintain its stability
and performance characteristics. Properly stored, unopened containers of MEMA have a shelf
life of approximately six months to one year. It is advisable to periodically check the
quality of stored MEMA by conducting viscosity measurements or polymerization tests before
use.
Does Methoxyethyl methacrylate comply with regulatory standards and
certifications?
Methoxyethyl methacrylate meets the regulatory standards established
by organizations such as the Occupational Safety and Health Administration (OSHA) and the
Environmental Protection Agency (EPA) in the United States. MEMA is classified as a
hazardous chemical, and safety data sheets should be consulted for detailed information on
its safe handling, storage, and disposal. Additionally, MEMA complies with international
standards for monomer purity and content limits, ensuring its suitability for use in various
industrial applications.
What technical support is available for formulators using
Methoxyethyl methacrylate?
Manufacturers of Methoxyethyl methacrylate provide
technical support to formulators and customers to assist with product selection, formulation
optimization, and troubleshooting. Technical experts can offer guidance on blending ratios,
curing conditions, and performance testing methods to achieve desired results with MEMA.
Additionally, manufacturers may offer customized solutions or product modifications to meet
specific application requirements. By partnering with experienced suppliers, formulators can
benefit from specialized knowledge and resources to maximize the performance of Methoxyethyl
methacrylate in their formulations.
