- Vinyl POSS
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- $55.00 / 25g
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2025-09-19
- CAS:69655-76-1
- Min. Order: 25g
- Purity: 0.99
- Supply Ability: 25kg
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| | Octavinyloctasilasesquioxane Basic information |
| Product Name: | Octavinyloctasilasesquioxane | | Synonyms: | 1,3,5,7,9,11,13,15-OCTAVINYLPENTACYCLO[9.5.1.1(3,9).1(5,15).1(7,13)] OCTASILOXANE;OCTAVINYLOCTASILASESQUIOXANE;OCTAVINYLSILSESQUIOXANE;OCTAVINYL-T8-SILSESQUIOXANE;POLY(VINYLSILSESQUIOXANE) T8 WITH ALL SILICONS VINYL SUBSTITUTED;Octaethenyl-pentacyclo-[9.5.1.13,9.15,15.17,13]-octasiloxane;Pentacyclo[9.5.1.1.3,9.15,15.17,13]octasiloxane,octaethenyl-;Pervinyloctasilsesquioxane | | CAS: | 69655-76-1 | | MF: | C16H24O12Si8 | | MW: | 633.04 | | EINECS: | | | Product Categories: | POSS | | Mol File: | 69655-76-1.mol |  |
| | Octavinyloctasilasesquioxane Chemical Properties |
| Melting point | >350 °C (lit.) | | Boiling point | 329.4±25.0 °C(Predicted) | | density | 1.22±0.1 g/cm3(Predicted) | | Fp | >200°C | | storage temp. | Inert atmosphere,Room Temperature | | form | powder to crystal | | color | White to Almost white | | Specific Gravity | 1.350 | | Hydrolytic Sensitivity | 1: no significant reaction with aqueous systems | | BRN | 2320666 | | NIST Chemistry Reference | Octa(vinylsilasesquioxane)(69655-76-1) |
| | Octavinyloctasilasesquioxane Usage And Synthesis |
| Description | Octavinyloctasilasesquioxane (OVS) is a useful organic intermediate with eight unsaturated double bonds, and it can be used to adjust the chemical structure of copolymer. It could used as a cross-linking agent to prepared the PHBV/OVS ;composites by melt-reaction technique. It is also used to synthesize highly luminescent PNC-polymer composites with a superhydrophobic micro/nano structured surface. The OVS is condensed into the micro/nano-scale protrusions (second phase) on the PECA substrate because of the strong Si-O bonds between OVS molecules to [1-2]. This method can achieve the purpose of packaging Metal halide perovskite nanocrystals and solve the problem of the low chemical stability against water.
| | References | [1] Xiang H , et al. The Crystallization, Melting Behaviors and Thermal Stability of Cross-linked Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Octavinyloctasilasesquioxane. Chinese Journal of Polymer Science, 2018; 36: 1353–1360.
[2] Wang S, et al. Perovskite nanocrystals-polymer composites with a micro/nano structured superhydrophobic surface for stable and efficient white light-emitting diodes. Chemical Engineering Journal, 2022; 473: 135303. |
| | Octavinyloctasilasesquioxane Preparation Products And Raw materials |
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