Vinyl Tris (Methyl Ethyl Ketoxime) Silane（VOS)
Vinyl Tris (Methyl Ethyl Ketoxime) Silane（VOS) features high reactivity of vinyl groups and ketoxime functional groups, enabling it to act as a crosslinker in silicone rubber and sealant formulations. VOS facilitates moisture-curing reactions, enhancing the adhesion, flexibility, and weather resistance of final products.
Technical Data
| Chemical Structure |  |
| Molecular Formula | C14H27N3O3Si |
| Molecular Weight | 313.5 |
| CAS No. | 2224-33-1 |
| Appearance | Colorless or yellowish transparent liquid |
| Purity | ≥95.0% |
| Density at 25℃ | 0.99g/ml |
| Boiling Point(760mmHg) | 300℃ |
| Flash Point | >99℃ |
| Refractive Index (25℃) | 1.4635 |
Application
- It can be used as a curing agent in the formulation of RVT-1 silicone sealant.
- Typically, it is used in combination with MOS to achieve higher reactivity, shorter film formation times and higher crosslinking densities.
- Another important advantage of using silicone sealant is improved cracking resistance.