Product name: Polyaziridine Crosslinker
Synonyms: Aziridine Crosslinker
Polyfunctional aziridine crosslinker
Trimethylolpropane tris(2-methyl-1-aziridinepropionate
CAS NO.: 64265-57-2
Formula: C24H41O6N3
Molecular Structure:
Application
Polyaziridine Crosslinker is added to water based acylic emulsion and polyurethane dispersions. It can be used in the wide application.
1. Textile printing
2. Leather coating
3. Printing inks
4. Pressure sensitive adhesives
5. Protective films, plastic films and waterproofing membrane
6. Water coatings
Polyaziridine Crosslinker has the following advantages for the above application.
1. Faster cure time
2. Improve water, chemical, alcohol, detergent resistance
3. Improve wear resistance
4. Improve adhesion to substrates
How to use?
The suggested addition is about 1%-3%, and optimum PH is 8-9.5. It must avoid acid chemicals. The product is reacting with carboxyl group in the emulsion or dispersion at room temperature or optimum temperature 60-80℃.
It is used in two-component systems. The suggested pot life is 8-12hours once added to formulation. It has small ammonia smell, and should be used in the ventilated room and avoid the contact with skin and eyes.
Anyway, the optimum condition will be determined according customers’ requirements.
Specification
Properties | Standard Grade |
Appearance | Colorless to light yellow liquid |
Solid content | 99.0%min |
Viscosity mPa.S@25℃ | 500max |
pH | 8.0-11.0 |
Water solubility | The solution should be clear |
Packaging
Available in 25kg/drum, 200kg/drum, 1000kg/IBC packing or customers’ requirement.
Storage
Polyaziridine Crosslinker should be stored in dry, cool, sealed conditions, avoid contact with acids and oxidants. The shelf life is 1 year.