| 摘要 |
PURPOSE: A manufacturing method of a polyamic acid-silica hybrid composition is provided to manufacture a silane sol coupled with a polyamic acid to the surface thereof by using colloidal silica. CONSTITUTION: A manufacturing method of a polyamic acid-silica hybrid composition comprises a step of reacting a polyamic acid and silane coupling agent to manufacture a silane-terminated polyamic acid polymer; a step of conducting an organic solvent, distilled water, and acid catalyst agent to colloidal silica for a hydrolysis and condensation reaction and putting a silane coupling agent for manufacturing a silane sol; a step of condensing the silane sol and silane-terminal polyamic acid polymer and manufacturing a silane sol coupled with a polyamic acid to the surface thereof; and a step of mixing the silane sol and polyamic acid polymer to manufacture a polyamic acid and silica hybrid composition. [Reference numerals] (AA) Anhydride end PAA |
