SILANE-BASED FUNCTIONALIZED POLYMER, METHOD OF PREPARING SAME AND POLYMER ELECTROLYTE COMPOSITE MEMBRANE INCLUDING SAME

A novel silane-based functionalized polymer is useful as an organic precursor material for forming inorganic particles that are introduced when manufacturing a polymer electrolyte composite membrane. A polymer electrolyte composite membrane according to an embodiment of the present invention includes at least one of a perfluorinated polymer and a hydrocarbon-based polymer, and a silane-based functionalized polymer represented by Chemical Formula 1.