The star structure of 9POSIB was confirmed by 1 H-, ... However, alternation of the trifluoropropyl group to the isobutyl group reduced the film-forming ability.

The C2-, C3-, and C8-linked star-shaped isobutyl-substituted caged silsesquioxane derivatives (3a, 3b and 3c) were prepared by the hydrosilylation of mono-vinyl-, allyl- and octenylisobutyl-T8 ...