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Description
Ethoxylated Diglycerin Tetraacrylate (k+l+m+n = ca. 4), supplied under TCI catalogue code E1650, is a multifunctional acrylate monomer built on a diglycerin backbone that has been ethoxylated and then terminated with four acrylate groups. The product is stabilized with MEHQ to prevent premature polymerization during storage. In the laboratory, this material acts as a crosslinking agent that converts liquid resin mixtures into a solid polymer network as soon as radical initiation is supplied, either through ultraviolet irradiation or through heating with a suitable thermal initiator.
The property that makes this monomer a frequent choice is the functionality of its four acrylate groups, which delivers a high crosslink density, so the network that forms cures quickly and shows good mechanical resistance. The ethoxy chains within the structure contribute hydrophilic character and flexibility, so the resulting network does not become excessively brittle and is more compatible with aqueous systems. The combination of the diglycerin backbone and the ethoxylated segments also helps lower the relative viscosity compared with rigid multifunctional acrylates, making formulations easier to mix, pour, and coat onto substrates.
In Indonesian laboratories, this monomer is typically used in polymer and materials research groups working on UV-curable formulations, hydrogels, and coating systems. It is normally handled at the bench scale, weighed into resin blends together with a photoinitiator or thermal initiator, and cured under controlled conditions. Because it arrives stabilized with MEHQ, it can be stored and drawn upon over the course of a research programme rather than being prepared fresh for each experiment.
Laboratory Applications
UV-curable coating formulations: the four acrylate groups crosslink rapidly under ultraviolet initiation, producing hardened films with good mechanical resistance on prepared substrates.
Hydrogel and water-compatible network synthesis: the ethoxy chains impart hydrophilic character, allowing the crosslinked network to remain compatible with aqueous systems used in the study.
Thermally initiated resin curing: with a suitable thermal initiator and heating, the monomer converts liquid resin mixtures into solid polymer networks for controlled bench-scale experiments.
Crosslink density studies in polymer research: its tetrafunctional structure gives a high crosslink density, making it a useful reference monomer when comparing network stiffness and cure behaviour.
Low-viscosity resin blending and casting work: the diglycerin and ethoxylated segments reduce relative viscosity, so formulations are easier to mix, pour, and layer onto substrates.
Stabilizer: stabilized with MEHQ to prevent premature polymerization during storage
Pack sizes: please refer to the available TCI packaging options for this catalogue code
Storage note: store so that premature polymerization is avoided, as described below
Handling and Storage
Store the container closed and protected from light and heat, since acrylate monomers are sensitive to premature polymerization; the MEHQ stabilizer supplied with the product is intended to suppress this during storage and should not be removed. Keep the material in its original container or in a compatible, tightly sealed vessel, and avoid prolonged exposure to sources of radical initiation such as ultraviolet light. Handle in a well-ventilated area or fume hood, wear gloves, safety glasses, and a laboratory coat, and avoid skin and eye contact, as is standard practice for reactive acrylate monomers. Return the container to its designated storage location promptly after weighing out the required amount.
