Patent ID: 9676910
Date: 2017-06-13
CPC Classifications: C08G,C09D

Claim:
1. A composition for preparing a polyimide comprising an oligomer comprising at least two termini, wherein the oligomer is selected from a polyimide, a polyamic acid, a poly(imide-amic acid), and a combination thereof, and wherein at least two of the at least two termini comprise a dicarboxylic acid group; and an inorganic particle prepared by only reacting an orthosilicate, a compound of Chemical Formula 1, and an organo silane compound represented by Chemical Formula 2, wherein the inorganic particle comprises a surface comprising two or more amino groups derived from a compound of Chemical Formula 1 and further comprising a residue derived from an organo silane compound represented by Chemical Formula 2: wherein, in Chemical Formula 1, R R R n is an integer ranging from 1 to 3; and wherein, in Chemical Formula 2, R R n is an integer ranging from 1 to 3.