trimethylolpropane ethoxylate (1 eo|oh) triacrylate
trimethylolpropane ethoxylate (1 eo|oh) triacrylate
CAS: 28961-43-5
Molecular Formula: C21H32O9
trimethylolpropane ethoxylate (1 eo|oh) triacrylate - Names and Identifiers
| Name | trimethylolpropane ethoxylate (1 eo|oh) triacrylate |
| Synonyms | EO-TMPTA EO3-TMPTA (EO)3TMPTA trimethylolpropaneethoxytriacrylate Ethoxy trihydroxymethylpropyl triacrylate Trimethylolpropaneethoxylated,triacrylate Trimethylolpropane ethoxylate triacrylate Ethoxylated Trimethylolpropane Triacrylate ETHOXYLATED TRIMETHYLOL PROPANE TRIACRYLATE Ethoxylated trimethylol propane triacrylate Trimethylolpropanepolyoxyethylenetriacrylate 2-(2,2-bis{[2-(acryloyloxy)ethoxy]methyl}butoxy)ethyl prop-2-enoate 2-ethanediyl),alpha-hydro-omega-[(1-oxo-2-propenyl)oxy]-poly(oxy-etherw |
| CAS | 28961-43-5 |
| InChI | InChI=1/C21H32O9/c1-5-18(22)28-12-9-25-15-21(8-4,16-26-10-13-29-19(23)6-2)17-27-11-14-30-20(24)7-3/h5-7H,1-3,8-17H2,4H3 |
trimethylolpropane ethoxylate (1 eo|oh) triacrylate - Physico-chemical Properties
| Molecular Formula | C21H32O9 |
| Molar Mass | 428.473 |
| Density | 1.12g/mLat 25°C |
| Boling Point | 157°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | 880mg/L at 20℃ |
| Vapor Presure | 0Pa at 25℃ |
| Refractive Index | n20/D 1.471(lit.) |
trimethylolpropane ethoxylate (1 eo|oh) triacrylate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 3334 |
| WGK Germany | 3 |
trimethylolpropane ethoxylate (1 eo|oh) triacrylate - Reference Information
| LogP | 2.89 at 23℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | acrylate is an important acrylic functional monomer, which is widely used in many fields such as coatings, adhesives, electronics and composite materials. The cured film formed by it has strong wear resistance and corrosion resistance, and is currently the most widely used multifunctional reactive dilution monomer. |
| Preparation | A method for preparing ethoxylated trimethylolpropane triacrylate, characterized in that the steps of the preparation method are:(1). The following components are successively put into the reaction kettle according to the following weight ratios:(2) the following components are then put into the reaction kettle according to their content: phenothiazine 50-300ppm hydroquinone 100-250ppm copper sulfate 300-800ppm(3) the above components are stirred and mixed in the reaction kettle, the steam valve is opened and heated slowly, and the heating speed is controlled to keep the steam pressure at 0.3-0.5MPa; A stage heating reaction is adopted;(4) Add strong basic anion exchange resin with a weight ratio of 15 ~ 25% to the reaction kettle, wash to neutral, filter, and recycle the resin;(5) Keep the vacuum degree of the reaction kettle greater than -0.09 ~-0.1MPa, remove the solvent at 70~90 ℃, remove the solvent and cool after removing the solvent to obtain ethoxylated trimethylpropane triacrylate. The solvent is one of benzene, toluene and cyclohexane. Moreover, the catalyst is one of p-methylbenzene sulfonic acid, methyl sulfonic acid or silicic acid. Moreover, the specific steps of the heating reaction in the step (3) stage are as follows: method ① raise the reaction temperature to 70-90 ℃ within 0.5-1 hour, then keep the temperature for 3-4 hours, then raise the temperature to 110-116 ℃, keep the temperature, and keep the reflux reaction for 6 hours; or adopt method ② when the temperature rises to 110~116 ℃ for 5 hours and the reaction ends when the temperature reaches 118~120 ℃. |
| Use | Used as radiation curing material |
Last Update：2024-04-09 20:52:54
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