CAS:50974-47-5
Molecular Formula:(C2H4O)nC18H26O2
Molecular Weight:450
EINECS:213-426-9
Products
4EO-NPA CAS 50974-47-5
4EO-NPA CAS 50974-47-5 has good flexibility, good adhesion, good leveling, good compatibility and other excellent characteristics. 4EO-NPA is a colorless liquid with a molecular weight of 450 and a refractive index of 1.495.
| Item | Specification |
| Color (APHA) | ≤100 |
| Acid value (mgkOH/g) | ≤1.0 |
| Viscosity (cps@25℃) | 100 |
| Moisture % | ≤0.2 |
| Inhibitor (ppm) | 300 |
| Refractive index | 1.495 |
| Surface tension Dynes/cm,20℃ | 34.3 |
| Glass transition temperature Tg,℃ | -28 |
UV Coatings
4EO-NPA is widely used in UV-curable coatings to improve flexibility, adhesion, and curing performance. It can effectively reduce system viscosity while maintaining excellent film properties. As one of the high-performance materials supplied by Unisunchem, it is suitable for wood coatings, plastic coatings, and industrial coatings.
UV Inks
Due to its excellent dilution capability and low shrinkage, 4EO-NPA is commonly used in screen printing inks, inkjet inks, and electronic inks. It can also be formulated together with Photoinitiator TPO for faster curing efficiency.
Adhesives & UV-Curing Systems
4EO-NPA shows excellent compatibility with various oligomers and monomers in UV-curable adhesive systems. It is often used together with TMPTA Monomer and other acrylate monomers to improve crosslinking density and adhesion performance.
Electronics & 3D Printing
This product is suitable for electronic coatings, photoresists, and 3D printing resins requiring low viscosity and high curing speed. It provides good flexibility and mechanical properties after curing.
Low Viscosity
4EO-NPA can effectively reduce formulation viscosity and improve processing efficiency in UV-curing systems.
Excellent Flexibility
Compared with traditional multifunctional monomers, 4EO-NPA provides improved flexibility and lower brittleness after curing.
Fast UV Curing Speed
The product shows excellent reactivity in radiation-curing formulations and works efficiently with Photoinitiator 819 and Photoinitiator TPO.
Good Compatibility
4EO-NPA has good compatibility with acrylic oligomers, polyurethane acrylates, and other functional monomers used in coatings and adhesives.
Broad Industrial Applications
It is widely used in coatings, inks, adhesives, electronics, and 3D printing industries. More UV raw materials can be found on the All Products page.
Usually packed in 200kg/drum, and also can be do customized package.
Q1:What is 4EO-NPA used for?
4EO-NPA is mainly used as a reactive diluent and functional monomer in UV coatings, UV inks, UV adhesives, and radiation-curing systems.
Q2:Is 4EO-NPA suitable for UV-curable coatings?
Yes. 4EO-NPA provides excellent flexibility, low viscosity, and fast curing performance for UV-curable coating formulations.
Q3:Can 4EO-NPA be used with photoinitiators?
Yes. It is commonly formulated with Photoinitiator TPO and Photoinitiator 819 to achieve fast UV curing and high-performance coating properties.
Q4:What are the advantages of 4EO-NPA in UV inks?
4EO-NPA helps reduce viscosity, improve adhesion, and enhance flexibility in UV ink formulations, making it suitable for high-speed printing applications.
Q5:Why choose Unisun Chem UV monomers?
Unisunchem supplies high-quality UV monomers and photoinitiators with stable quality, technical support, and customized solutions for global UV-curing industries.
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