SEARCH Articles Figures Tables High-Pressure Polycondensation of Salt Monomers Microwave-Induced Polycondensation of Salt Monomers Monomer stabilization ammonium salt Monomers as ion pairs (monomer salts) Nylon-salt-type monomers Polyimide synthesis from nylon salt type monomers Preparation of Salt Monomers Salt monomer method Solid-State Thermal Polycondensation of Salt Monomers