Ratphonsan, P.; Poonsawat, C.; Khansawai, P.; Amnuaypanich, S. Grafting of Poly(2–hydroxyethyl Methacrylate) on Natural Rubber (NR–g–PHEMA): Characterizations and Water Sorption Selectivity of NR–g–PHEMA Membranes. JAMST 2017, 9.