Description
Poly(Phenylsilsesquioxane) POSS is a lower-cost alternative to trisilanol phenyl POSS®. This additive contains phenyl groups for compatibility with aromatic resin and silanols for dispersion capability. It should be utilized at loading levels ranging from 0.25 – 2 wt. % relative to resin.
Key Properties
Formula Weight: 931.34
Appearance: white powder
Thermal Stability (5% wt loss): 427˚C
Solvent Solubility: THF, chloroform, ethanol, MEK, PGMEA
Solvent Insolubility: water, hexane, IPA
Resin Solubility: aromatic and aliphatic resins, oligomers, and polymers (PP, PE, PA, PC, PET)