Ethylene/acrylic Acid Copolymer


Properties

product_name Ethylene/acrylic acid copolymer
CAS_number 9010-77-9
formula (C2H4)x(C3H4O2)y
molar_mass Varies based on x and y
density 0.92 - 0.94 g/cm³
melt_index Varies (typically 0.3 to 30 g/10 min at 190°C/2.16 kg)
tensile_strength 10 - 20 MPa
elongation_at_break 400% - 900%
melting_point 90 - 105°C
glass_transition_temperature -30°C
water_absorption < 0.01%
chemical_resistance Good resistance to acids and bases
clarity Translucent
thermal_conductivity 0.15 W/(m·K)
dielectric_constant 2.3 - 3.2
vicat_softening_point 48 - 67°C

FAQ

What is ethylene/acrylic acid copolymer?
Ethylene/acrylic acid copolymer is a versatile material that is created through the combination of ethylene and acrylic acid monomers. This copolymer has a unique structure that allows it to have excellent adhesion properties, as well as good thermal stability and chemical resistance.

What are the key benefits of using ethylene/acrylic acid copolymer?
One of the main benefits of using ethylene/acrylic acid copolymer is its ability to adhere to a variety of substrates, including metals, plastics, and textiles. This makes it a versatile material that can be used in a wide range of applications. Additionally, ethylene/acrylic acid copolymer has good thermal stability, which means it can withstand high temperatures without losing its adhesive properties.

How is ethylene/acrylic acid copolymer typically used?
Ethylene/acrylic acid copolymer is commonly used as an adhesive in industries such as packaging, automotive, and construction. It can be applied as a hot melt adhesive, pressure-sensitive adhesive, or as a coating to improve the adhesion of other materials.

What sets ethylene/acrylic acid copolymer apart from other materials?
One of the key advantages of ethylene/acrylic acid copolymer is its ability to bond to a wide range of surfaces, including those that are traditionally difficult to adhere to. This makes it a preferred choice for applications where strong adhesion is required.

Can ethylene/acrylic acid copolymer be customized for specific applications?
Yes, ethylene/acrylic acid copolymer can be customized to meet the specific requirements of different applications. By adjusting the ratio of ethylene to acrylic acid, as well as the molecular weight of the copolymer, manufacturers can tailor the properties of the material to suit a variety of needs.

What are some common applications of ethylene/acrylic acid copolymer?
Ethylene/acrylic acid copolymer is commonly used in the packaging industry for sealing boxes and bags, as well as in the automotive industry for bonding interior components. It is also used in construction for sealing joints and in the electronics industry for bonding components.

How does ethylene/acrylic acid copolymer perform in different environmental conditions?
Ethylene/acrylic acid copolymer has good resistance to moisture, UV radiation, and temperature fluctuations, making it suitable for outdoor applications. It is also resistant to chemicals, which allows it to maintain its adhesive properties in harsh environments.

What are some considerations to keep in mind when using ethylene/acrylic acid copolymer?
When using ethylene/acrylic acid copolymer, it is important to ensure that the surfaces being bonded are clean and free of contaminants. Additionally, proper application techniques should be followed to achieve optimal adhesion. It is also recommended to store ethylene/acrylic acid copolymer in a cool, dry place to prevent degradation.

In conclusion, ethylene/acrylic acid copolymer is a versatile material with excellent adhesion properties, thermal stability, and chemical resistance. It can be customized for specific applications and is commonly used in industries such as packaging, automotive, and construction. With proper handling and application, ethylene/acrylic acid copolymer can provide reliable bonding solutions for a variety of needs.