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Ethoxylated Pentaerythritol Tetraacrylate is the tetraacrylate ester of 5 mole ethoxylated pentaerythritol.
Ethoxylated Pentaerythritol Tetraacrylate is a low viscosity diluting oligomer characterized by low odor and light color.
Ethoxylated Pentaerythritol Tetraacrylate provides fast cure response in ultraviolet light (UV) or electron beam (EB) cured coatings and inks.
CAS Number: 51728-26-8
Molecular Formula: (C2H4O)n(C2H4O)n(C2H4O)n(C2H4O)nC17H20O8
EINECS Number: 500-111-9
Synonyms:Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-[(1-oxo-2-propen-1-yl)oxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), 51728-26-8, DTXSID501013190, Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-(1-oxo-2-propenyl)oxy-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), α-Hydro-ω-[(1-oxo-2-propenyl)oxy] poly(oxy-1,2-ethanediyl) ether with 2,2-bis(hydroxymethyl)-1,3-propanediol(4:1), 4-ArM PEGn-AA 2K, 5K, 10K, 20K, 4-ArM PEGn-Acrylate 2K, 5K, 10K, 20K, (5) ethoxylated pentaerythritol tetraacrylate, alkoxylated pentaerythritol tetra acrylate, Photomer 4172, Ethoxylated Pentaerythritol tetraacrylate
Ethoxylated Pentaerythritol Tetraacrylate is a clear liquid.
Ethoxylated Pentaerythritol Tetraacrylate possesses high reactivity, good flexibility and lower shrinkage than PETA.
Suitable for metal-, optical-, PVC floor-, wood- and paper-coatings, recommended for flexographic-, gravure-, offset- and screen-inks.
Ethoxylated Pentaerythritol Tetraacrylate is an organic compound.
Ethoxylated Pentaerythritol Tetraacrylate is a tetrafunctional acrylate ester used as a monomer in the manufacture of polymers.
As it is a polymerizable acrylate monomer, it is nearly always supplied with an added polymerisation inhibitor, such as MEHQ (monomethyl ether hydroquinone).
Besides its high reactivity, Ethoxylated Pentaerythritol Tetraacrylate improves the hardness and solvent resistance of cured coatings and inks.
Ethoxylated Pentaerythritol Tetraacrylate is particularly useful in offset inks, flexo inks and overprint varnishes.
Ethoxylated Pentaerythritol Tetraacrylate is a specialty chemical compound belonging to the class of multifunctional acrylates, which are often used as reactive diluents or crosslinking agents in the production of UV-curable coatings, inks, adhesives, and resins.
Ethoxylated Pentaerythritol Tetraacrylate is derived from pentaerythritol, a polyhydric alcohol, which is functionalized with four acrylate groups and further modified through ethoxylation, a process that attaches ethylene oxide units to the molecule.
This structural modification increases its solubility, flexibility, and compatibility with other monomers or oligomers in formulations, while maintaining the reactive acrylate groups necessary for photopolymerization or free-radical curing.
In practical applications, Ethoxylated Pentaerythritol Tetraacrylate is valued for its ability to produce highly crosslinked polymer networks, which result in coatings or adhesives that exhibit excellent hardness, chemical resistance, adhesion, and dimensional stability.
The tetrafunctional nature of the molecule means that a single molecule can form multiple crosslinks during curing, enhancing the mechanical strength and durability of the final product compared to monofunctional or difunctional acrylates.
Because it is ethoxylated, the compound also provides reduced viscosity, making it easier to handle and mix with other components in formulations without compromising the curing efficiency.
Ethoxylated Pentaerythritol Tetraacrylate is widely used in industrial applications such as UV-curable inks for printing on plastics, wood coatings, electronics encapsulants, and protective coatings, where fast curing and high-performance properties are required.
In the printing sector, Ethoxylated Pentaerythritol Tetraacrylate is widely used in UV-curable inks, where its rapid polymerization under UV light allows for instant drying, sharp printing, and high-resolution imagery on a wide range of surfaces including plastics, foil, and paper.
The monomer’s low viscosity and good wetting properties ensure even spreading, minimal surface defects, and enhanced gloss, which are essential for high-quality commercial printing and packaging applications.
For adhesives and composite materials, its tetrafunctional structure facilitates highly crosslinked networks, providing strong adhesion, dimensional stability, and resistance to solvents, heat, and mechanical stress.
In electronics and specialty composites, it is often used in encapsulation, potting compounds, and coatings for circuit boards or sensitive components, where it protects against moisture, dust, thermal cycling, and mechanical vibration, while also maintaining electrical insulation properties.
Melting point: -20 °C
Boiling point: 400℃[at 101 325 Pa]
Density: 1.151[at 20℃]
vapor pressure: 4.6hPa at 20℃
Flash point: 200 °C
Appearance: Yellow liquid
Water Solubility: 1.73g/L at 20℃
LogP: 2.29
Ethoxylated Pentaerythritol Tetraacrylate is a multifunctional acrylate monomer used in various industrial applications due to its unique properties.
Ethoxylated Pentaerythritol Tetraacrylate is commonly employed as a key reactive component in UV-curable systems, where it participates in photopolymerization reactions under exposure to ultraviolet light.
During this process, the acrylate groups on the molecule form covalent bonds with other monomers or oligomers, creating a dense, three-dimensional polymer network.
This high degree of crosslinking is what imparts exceptional hardness, scratch resistance, and chemical stability to coatings, inks, adhesives, and composite materials, making it highly valued in applications where durability is critical.
In printing and graphic arts, Ethoxylated Pentaerythritol Tetraacrylate is often used in UV-curable inks for materials like plastics, metal foils, and paper, allowing for rapid drying and high-resolution printing without the need for solvents.
Its ethoxylated structure lowers the viscosity of the formulation, which improves flow, leveling, and wetting properties, making the inks easier to apply and producing a smoother final surface.
In industrial coatings and adhesives, Ethoxylated Pentaerythritol Tetraacrylate enhances adhesion to diverse substrates, from metals and glass to plastics and wood, while also contributing to chemical and thermal resistance, which is essential for coatings exposed to harsh environments or repeated cleaning.
In electronics and specialty composites, it is used in encapsulation and potting compounds, where the cured polymer protects delicate components from moisture, dust, and mechanical stress.
Another important feature of this chemical is its tailorable performance, which can be adjusted by varying the degree of ethoxylation or blending with other acrylates.
This versatility allows formulators to design products with specific hardness, flexibility, and curing speed, optimizing them for everything from industrial coatings to 3D printing resins.
Additionally, because it is a reactive monomer rather than an inert additive, Ethoxylated Pentaerythritol Tetraacrylate becomes permanently incorporated into the polymer matrix during curing, reducing the risk of leaching and contributing to long-term durability and environmental stability of the finished product.
Ethoxylated Pentaerythritol Tetraacrylate is a highly multifunctional monomer that plays a critical role in the formation of crosslinked polymer networks due to its four acrylate functional groups attached to a central pentaerythritol backbone.
The ethoxylation of this molecule introduces flexible ethylene oxide chains, which not only reduce the viscosity of the monomer, making it easier to handle and mix with other components, but also improve its compatibility with a wide variety of oligomers, resins, and co-monomers, allowing for highly customized formulations tailored to specific industrial applications.
In the coatings industry, Ethoxylated Pentaerythritol Tetraacrylate is particularly valued because it can produce thin, smooth, and highly durable layers when cured via free-radical or UV-initiated polymerization.
The dense crosslinked structure formed upon curing confers excellent mechanical strength, abrasion resistance, chemical inertness, and thermal stability, making it suitable for protective coatings on metals, plastics, glass, wood, and other substrates that must withstand long-term wear and harsh environmental conditions.
Uses Of Ethoxylated Pentaerythritol Tetraacrylate:
Ethoxylated Pentaerythritol Tetraacrylate is part of a family of acrylates used in epoxy resin chemistry and ultraviolet cure of coatings.
Similar monomers used are 1,6-hexanediol diacrylate and trimethylol propane triacrylate.
Ethoxylated Pentaerythritol Tetraacrylate is a derivative of pentaerythritol One of the key uses of the material is in polymeric synthesis where it can form micelles and block copolymers.
The molecule's acrylate group functionality enables the molecule to do the Michael reaction with amines.
Ethoxylated Pentaerythritol Tetraacrylate is therefore sometimes used in epoxy chemistry enabling a large reduction in cure time.
As the molecule has 4 functional acrylate groups it confers high cross-link density.
Ethoxylated Pentaerythritol Tetraacrylate maybe used to produce ethoxylated versions which find use in electron beam curing.
Ethoxylated Pentaerythritol Tetraacrylate is primarily used as a reactive monomer and crosslinking agent in the formulation of UV-curable coatings, inks, adhesives, and composite materials, where its tetrafunctional acrylate groups enable the formation of dense three-dimensional polymer networks that provide enhanced mechanical strength, chemical resistance, and durability.
In the coatings industry, it is incorporated into protective surface coatings for metals, plastics, glass, and wood, imparting scratch resistance, hardness, and long-lasting stability, while also helping to achieve smooth surfaces with excellent gloss and minimal defects.
In the printing industry, this chemical is widely used in UV-curable inks for high-speed printing and packaging applications, where it allows for rapid drying, sharp image resolution, and high adhesion to diverse substrates, including plastic films, foils, and paper.
Its ethoxylated structure reduces viscosity, which ensures good flow, leveling, and wetting, resulting in high-quality, defect-free printed surfaces suitable for commercial and industrial purposes.
For adhesives and sealants, Ethoxylated Pentaerythritol Tetraacrylate functions as a crosslinking agent that improves bond strength, thermal stability, and chemical resistance, making it ideal for demanding applications such as electronics, automotive parts, and structural adhesives, where durability and environmental stability are crucial.
In electronic and specialty composites, it is used in encapsulation and potting compounds, providing protection for sensitive components against moisture, dust, thermal cycling, and mechanical stress, while maintaining insulating properties and long-term performance.
Additionally, Ethoxylated Pentaerythritol Tetraacrylate is employed in 3D printing resins, optical coatings, and advanced polymer composites, where its reactive tetrafunctional structure allows formulators to precisely control curing speed, hardness, flexibility, and overall performance characteristics, tailoring products to specific industrial, commercial, or high-precision applications.
Because it reacts and becomes part of the final polymer network, it ensures long-term stability, minimal leaching, and environmental resistance, making it a highly versatile and valuable component in modern polymer chemistry.
Safety Profile Of Ethoxylated Pentaerythritol Tetraacrylate:
Ethoxylated Pentaerythritol Tetraacrylate is known to be a skin and eye irritant, meaning that direct contact with the liquid or uncured monomer can cause redness, itching, burning sensations, and in some cases, dermatitis in sensitive individuals.
Accidental splashes into the eyes may result in temporary pain, watering, or blurred vision, emphasizing the importance of wearing protective gloves, long sleeves, and safety goggles when handling the chemical in industrial, laboratory, or manufacturing environments.
Although not highly volatile at room temperature, exposure to vapor, mist, or aerosolized droplets of Ethoxylated Pentaerythritol Tetraacrylate during handling, spraying, or processing can irritate the respiratory tract, causing coughing, throat discomfort, or shortness of breath.
In poorly ventilated areas, prolonged inhalation may exacerbate pre-existing respiratory conditions such as asthma, so adequate ventilation and the use of respirators are recommended when working with the compound in large quantities.
Like many multifunctional acrylates, Ethoxylated Pentaerythritol Tetraacrylate has the potential to cause skin sensitization after repeated or prolonged exposure, which can lead to allergic reactions such as rashes or increased sensitivity upon future contact.
Therefore, minimizing skin contact and following strict hygiene practices are essential in workplaces where the chemical is used regularly.
