Opposite To the tactic of copolymer precursor, the modification with Remedy impregnation meant the impregnating silica gel or sol in the polymer Answer to generate a polymerization reaction. Some samples of polymers are styrene, epoxy resin, isocyanate, methyl methacrylate, etc., which may be used as a solution for impregnation modification. https://msnho.com/blog/trunnano