Abstract

Plasma polymerization techniques were utilized in the development of hydrophilic composite membranes having high hydrogen ion permeability and excellent dimensional stability. These membranes were prepared by using plasma polymerization of acrylic acid on porous polypropylene (PPA/PP) and plasma-initiated interpenetrating polymer network (IPN)-type polymerization of acrylic acid in porous polypropylene (PIPA/PP IPN). Hydrogen ion permeabilities of these membranes were determined. A hydrophilic composite membrane with high hydrogen ion permeability of acrylic acid polymer and excellent dimensional stability and mechanical strength of porous polypropylene was developed based on plasma IPN technique.

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