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Polysilsesquioxanes through base-catalyzed redistribution of oligohydridosiloxanes

Rahimian, Kamyar R.; Assink, Roger A.; Lang, David P.; Loy, Douglas A.

Polysilsesquioxane foams and gels of the formula (RSiO1.5)n were produced via the catalytic an stoichiometric redistribution of organohydridosiloxanes. The extent of reaction was followed by both infrared (IR) and solid state NMR spectroscopy, following the disappearance of the SiH in the starting oligosiloxane.