| Identification | Back Directory | [Name]
Silsesquioxanes | [CAS]
67763-03-5 | [Synonyms]
silicon(s)
MQ Silicon Resin
Organosilicon resin
Organosilicone resin
Me Ph silsesquioxanes
Silsesquioxanes Me Ph
Methyl MQ Silicon Resin
SILICONE RELAESE EMULSION
METHYLPHENYLSILSESQUIOXANE
Me Ph cyclosilsesquioxanes | [Molecular Formula]
H4Si | [MOL File]
67763-03-5.mol | [Molecular Weight]
32.1173 |
| Questions And Answer | Back Directory | [Synthesis]
Silsesquioxanes are usually synthesized by hydrolysis of organotrichlorosilanes.An idealized synthesis is:8 RSiCl3 + 12 H2O → [RSiO3/2]8 + 24 HCl |
| Hazard Information | Back Directory | [Description]
Silsesquioxanes are members of polyoctahedral silsesquioxanes ("POSS"), which have attracted attention as preceramic polymer precursors to ceramic materials and nanocomposites. Diverse substituents (R) can be attached to the Si centers. The molecules are unusual because they feature an inorganic silicate core and an organic exterior. The silica core confers rigidity and thermal stability. | [Uses]
A silsesquioxane is an organosilicon compound with the chemical formula [RSiO3/2]n (R = H, alkyl, aryl or alkoxyl).Silsesquioxanes are colorless solids that adopt cage-like or polymeric structures with Si-O-Si linkages and tetrahedral Si vertices. |
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