主权项 |
1. An aerogel comprising a polymeric network which comprises a silica component and diimide component; wherein the diimide component of the polymeric network comprises a compound of Formula I, Formula II, Formula III, Formula IV, or Formula V: wherein R is selected from an alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aryl, aralkyl, or heterocyclic moiety, which can optionally contain one or more heteroatoms such as O, S, N, P, and Se; A is selected from an alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aryl, aralkyl, or heterocyclic moiety, which can optionally contain a carbonyl moiety or one or more heteroatoms such as O, S, N, P, and Se; X and Y are independently selected from hydrogen, a halogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aryl, aralkyl, or heterocyclic moiety, which can optionally contain one or more heteroatoms such as O, S, N, P, and Se; and B is an attachment to the silica component of the polymeric network. |