| 主权项 |
1. Hybrid aerogels comprising the reaction product of:
a. at least one tetraalkoxysilane which may optionally be partially hydrolyzed, b. at least one bis-trialkoxysilane diimide, and c. a selected amount of water; wherein a gelation catalyst is admixed to condense and gel the siloxanes; wherein the gel is dried to obtain an aerogel; and wherein the at least one bis-trialkoxysilane diimide is a reaction product of: i) a primary amine terminated trialkoxysilane according to the following formula: H2N—R—Si—(OR′)3, wherein R comprises alkyl, alkenyl, alkynyl, cycloalkyl, or cycloalkenyl moities, or variations thereof which contain at least one heteroatom comprising O, S, N, P, or Se, and R′ is a C1-C21 branched or unbranched alkyl group; and ii) a dicarboxylic anhydride. |
