‌The main function of trimethylolpropane triacrylate‌

‌Ultraviolet curing field‌: As a reactive diluent, it plays a diluting role before ultraviolet irradiation, and participates in the reaction after irradiation to form part of the cured film. It is mainly used for ultraviolet curing coatings and inks‌.
‌Industrial material preparation‌: It can be used to prepare unsaturated polyester fiberglass, reinforced plastics, special alkyd resins, adhesives, synthetic oils, etc.‌.
‌Special Rubber Vulcanization‌: As a vulcanization-assisting activator, it is used in special rubbers such as ethylene-propylene rafter rubber and EPDM rubber to shorten the vulcanization time and improve the degree of vulcanization and product performance‌.

Features of trimethylolpropane triacrylate:

It has properties such as high double bond content, low viscosity, fast curing, wear resistance, and solvent resistance.

It is a typical trifunctional monomer that provides good solubility, high curing speed and high cross-linking density.
The price is cheaper, but it is irritating to the skin.
To sum up, trimethylolpropane triacrylate is widely used in many fields and is an important chemical raw material.

Trimethylolpropane triacrylate Chemical Properties
Melting point -66°C
Boiling point >200°C
density 1.1 g/mL at 25 °C (lit.)
vapor density >1 (vs air)
vapor pressure <0.01 mm Hg ( 20 °C)
refractive index n20/D 1.474(lit.)
Fp >230 °F
storage temp. Refrigerator
form Liquid
pka 0[at 20 ℃]
color Colorless to Light yellow to Light orange
Specific Gravity 1.1
Water Solubility Miscible with water.
FreezingPoint -66
InChIKey DAKWPKUUDNSNPN-UHFFFAOYSA-N
LogP 4.35 at 20℃
CAS DataBase Reference 15625-89-5(CAS DataBase Reference)
IARC 2B (Vol. 122) 2019
NIST Chemistry Reference TMPTA (Trimethylol propane triacrylate)(15625-89-5)

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