Trimethylolpropane tris(2-methyl-1-aziridinepropionate
Trimethylolpropane tris(2-methyl-1-aziridinepropionate
CAS: 64265-57-2
Molecular Formula: C24H41N3O6
Trimethylolpropane tris(2-methyl-1-aziridinepropionate - Names and Identifiers
| Name | Trimethylolpropane tris(2-methyl-1-aziridinepropionate |
| Synonyms | cx100 c-80343 POLY X100 crosslinkercx100 Polyfunctional aziridine crosslinker Trimethylolpropane tris(2-methyl-1-aziridinepropionate 2-ethyl-2-((3-(2-methyl-1-aziridinyl)-1-1-aziridinepropanoicaci 2-methyl-1-aziridinepropanoicaci2-ethyl-2-[[3-(2-methyl-1-aziridinyl)-1-o 2-ethyl-2-[[3-(2-Methyl-1-aziridinyl)-1-oxopropoxy]Methyl]-1,3-propanediyl]ester 2,2-bis({[3-(2-methylaziridin-1-yl)propanoyl]oxy}methyl)butyl 3-(2-methylaziridin-1-yl)propanoate 1-Aziridinepropanoicacid,2-methyl-,2-ethyl-2-[[3-(2-methyl-1-aziridinyl)-1-oxopropoxy]methyl]-1,3-propanediylester |
| CAS | 64265-57-2 |
| EINECS | 264-763-3 |
| InChI | InChI=1/C24H41N3O5/c1-5-24(12-21(28)6-9-25-13-18(25)2,16-31-22(29)7-10-26-14-19(26)3)17-32-23(30)8-11-27-15-20(27)4/h18-20H,5-17H2,1-4H3 |
Trimethylolpropane tris(2-methyl-1-aziridinepropionate - Physico-chemical Properties
| Molecular Formula | C24H41N3O6 |
| Molar Mass | 467.6 |
| Density | 1.1g/mLat 25°C(lit.) |
| Melting Point | -30℃ |
| Boling Point | 532.1±50.0 °C(Predicted) |
| Flash Point | >230°F |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Appearance | Oil |
| Color | Colourless |
| pKa | 7.31±0.40(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.477(lit.) |
| Physical and Chemical Properties | Appearance: colorless to light yellow transparent liquid solid content:> 99% methyl aziridine group content: 6.16 mol/kg viscosity: 150 ~ 250cp @ 25 ℃ density: 1.08/L @ 20 ℃ freezing point:-15 ℃ boiling point range: much higher than 200 ℃ (polymerization) solubility: completely dissolved in water, alcohol, ketone, Ester and other common solvents; PolyAziridine LLC, a company specializing in the production of PolyAziridine crosslinking agents, has only two products, PZ-28 is a light yellow transparent liquid with a CAS of 64265-57-2, an aminopropionyl content of 5.4~6.6mmol/g, an average functionality of about 2.8, and a density (25 °c). 1.05~1.09g/mL, viscosity (25 ℃) 100 ~ 300mPa.s. CAS No. 57116-45-7 PZ-33, light yellow transparent liquid, aziridine group content of 6.4~7.3mmol/g, average functionality of about 3.3, density (25 °c) 1.18~1.2g/mL, viscosity (25 ℃)< 4000mPa.s. |
| Use | Trifunctional aziridine crosslinker |
Trimethylolpropane tris(2-methyl-1-aziridinepropionate - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| WGK Germany | 3 |
| RTECS | CM8544125 |
| TSCA | Yes |
Trimethylolpropane tris(2-methyl-1-aziridinepropionate - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| aziridine crosslinking agent | aziridine crosslinking agent is a special class of compounds, it is easy to react with carboxylic acid groups, cross-linking, used as crosslinking agent, adhesion promoter and modifier, the polyaziridine is generally used for the crosslinking agent of acrylate emulsion and polyurethane emulsion, and can also be used for non-aqueous resin. It can significantly improve the final performance of adhesives, coatings and printing inks, and improve the strength, flexibility, solvent resistance, water resistance, hardness and adhesion to the substrate. |
| Main purpose | to improve the water resistance, washing resistance, chemical resistance and high temperature resistance of leather coating; improve water resistance, viscosity resistance and high temperature resistance of water-based printing coating; Improve water resistance and detergent resistance of water-based printing ink; The water resistance, alcohol resistance, detergent resistance, chemical resistance and abrasion resistance can be improved in the water-based floor paint; The water resistance, alcohol resistance, it can reduce the migration of plasticizer and improve the stain resistance in vinyl coating; It can improve the abrasion resistance in water-based cement sealant; The adhesion of aqueous systems to non-porous substrates can be generally improved. |
| Usage | these kinds of aziridine crosslinking agents are slowly added to the coating system with uniform stirring before use, this corresponds to the aziridine as a crosslinker component of the two-component coating. It may be added directly or after dilution with an active hydrogen-free solvent or water. The addition amount depends on the performance requirements of the coating, and is generally 1% to 3% of the resin solid content, and 5% can be added. After curing, a coating with higher solvent resistance is formed. The effect of pH value on the crosslinking rate was higher. When the pH value of the emulsion was controlled at 9.0~9.5, the best effect could be obtained by adding the multi-component aziridine crosslinking agent. A lower pH may cause the aziridine to react too fast. Generally, the reaction can be carried out at room temperature, and heating is advantageous to the reaction. after the addition of aziridine, the pot life of aqueous systems containing low-boiling amines such as ammonia or triethylamine is usually 18~36H, beyond this time, the effective aziridine group is lost, only need to add, it is stated that there is no negative effect on the performance of the adhesive film. Aziridine compounds are sensitive to active hydrogen groups and cannot be contacted with acidic substances and strong oxidants. |
| note | The addition amount is usually 1-3% of the solid content of the emulsion, and the pH value of the emulsion is 8~9, avoid using in acidic medium (pH <7). This product mainly occurs cross-linking reaction with carboxyl groups in the emulsion, and can also occur cross-linking reaction with amine groups and hydroxyl groups under strong acid catalysis. Therefore, aprotic organic bases should be used as much as possible when adjusting the pH value of the system; This product can be cross-linked at room temperature, but the baking effect is better at 60-80 degrees; This product is a two-component type cross-linking agent, once added to the system should be used within two days, otherwise it will form a gel phenomenon; This product can be miscible with water and common solvents, therefore, usually, it can be directly mixed into the system under vigorous stirring, or it can be dissolved in water and solvent before being added into the system; The product has a slightly irritating ammonia taste, long-term inhalation will cause Cough, runny nose, presenting a false cold symptoms; Skin contact will cause skin swelling according to different people's resistance, generally in 2~6 days can disappear, severe cases should be prescribed treatment. Therefore, care should be taken to avoid direct contact with the skin and eyes, and use in a ventilated environment. Spray should pay special attention to the mouth, nose inhalation, should wear a special mask operation. |
Last Update：2024-06-07 11:35:59
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