Method of functionalizing polycyclic silicones and the resulting

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

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556459, 556461, 556415, 556419, 549215, 540487, 528 9, 528 10, 528 15, 528 19, C07F 708

Patent

active

059426381

ABSTRACT:
A synthetic process for the selective preparation of reactive polyhedral oligomeric silsesquioxanes (POSS) as well as polyhedral oligomeric silicate (POS) (spherosilicate) is provided. The method claimed herein employs metal catalyzed metathesis reactions for the selective reaction of .alpha.-olefin containing polyhedral oligomeric silsesquioxanes or silicates with olefinic reagents bearing functionalities useful for grafting reactions, polymerization chemistry and sol-gel processes. The use of metal catalyzed metathesis chemistry to form both linear or network polyhedral silsesquioxane polymers directly from .alpha.-olefin-containing polyhedral oligomeric silsesquioxanes is also described.

REFERENCES:
patent: 5484867 (1996-01-01), Lichtenhan et al.
patent: 5589562 (1996-12-01), Lichtenhan et al.

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