TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The electron beam reactive group comprises methacrylate, acrylates, acrylamide, and/or vinyl ketone are derived from reagents containing acryloyl chloride, (2E)-2-butenoyl chloride, maleic anhydride, 2(5H)-furanone, methyl acrylate, 5,6-dihydro-2H-pyran-2-one, ethyl acrylate, methyl crotonate, allyl acrylate, vinyl crotonate, 2-isocyanatoethyl methacrylate, methacrylic acid, methacrylic anhydride, methacryloyl chloride, glycidyl methacrylate, furfuryl methacrylate, 2-ethylacryloyl chloride, 3-methylenedihydro-2(31-1)-furanone, 3-methyl-2(5H)-furanone, methyl methylacrylate, methyl trans-2-methoxyacrylate, citraconic anhydride, itaconic anhydride, methyl (2E)-2-methyl-2-butenoate, ethyl 2-methylacrylate, ethyl 2-cyanoacrylate, dimethylmaleic anhydride, allyl 2-methylacrylate, ethyl (2E)-2-methyl-2-butenoate, ethyl 2-ethylacrylate, methyl (2E)-2-methyl-2-pentenoate, 2-hydroxyethyl 2-methylacrylate, methyl 2-(1-hydroxyethyl)acrylate, 6-dihydro-1H-cyclopenta(c)furan-1,3(4H)-dione, trans-cinnamoyl chloride, phenylmaleic anhydride, 4-hydroxy-3-phenyl-2(5H)-furanone, 5-ethyl-3-hydroxy-4-methyl-2(5H)-furanone, 3-methylene-dihydro-2(3H)-furanone, 4-methoxy-2(5H)-furanone, (3-(methacryloyloxy)-propyl)trimethoxysilane, 3-(diethoxymethylsilyl)propyl methacrylate, 3-(trichlorosilyl)propyl 2-methylacrylate, 3-(trimethoxysilyl)propyl 2-methylacrylate, 3-(tris(trimethylsiloxy)silyl)propyl methacrylate, methyl 2-cyano-3-methylcrotonate, trans-2,3-dimethylacrylic acid and/or N-(hydroxymethyl)acrylamide. The electron beam reactive group comprises styrenics, vinyl ethers, and/or vinyl- or allyl-containing moieties are derived from reagents containing 3-vinylbenzaldehyde, 4-vinylbenzaldehyde, 4-vinylbenzyl chloride, glycidyl vinyl ether, 2-(3-butenyl)oxirane, 3-vinyl-7-oxabicyclo(4.1.0)heptane, or limonene oxide, furfuryl isocyanate, allyl bromide, allyl chloride, diketene, vinyl isocyanate, allyl isocyanate, 5-methylenedihydro-2(3H)-furanone, or 2-chloroethyl vinyl ether. The electron beam reactive group comprises benzyl and tertiary-carbon based materials are derived from reagents containing 1-ethyl-4-isocyanatobenzene, phenethyl isocyanate, 1-ethyl-3-isocyanatobenzene, 1-(isocyanatomethyl)-3-methylbenzene, 1-isocyanato-3,5-dimethylbenzene, 1-bromo-2-isocyanatoethane, 1-(isocyanatomethyl)-4-methylbenzene, 1-(isocyanatomethyl)-3-methylbenzene, or 1-(isocyanatomethyl)-2-methylbenzene. The electron beam reactive group is covalently grafted to the porous base membrane. The electron beam reactive coating has an average thickness of 1 nm to greater than 1 mu m. The electron beam reactive coating is operable to render the membrane wettable from a dry ship state.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The hydrophilic polymer comprises polyvinyl alcohol, polyvinyl alcohol-polyvinyl amine copolymer, polyacrylic acid, polyacrylates, polyethylene glycol, polyethylene amine, polyvinyl amine, and their derivatives. The porous base membrane comprises polyvinylidene difluoride, poly(tetrafluoroethylene-cohexafluoropropylene, poly(ethylene-alt-tetrafluoroethylene), polychlorotrifluoroethylene, poly(tetrafluoroethylene-co-perfluoropropyl vinyl ether), poly(vinylidene fluoride-co-hexafluoropropylene, polyvinyl fluoride and/or polytetrafluoroethylene. The porous base membrane comprises polyethylene, polyolefin, polyamide, polyester, polysulfone, polyether, polyacrylate, polymethacrylate, polystyrene, polyurethane, polypropylene, polyphenylene sulfone, polyphenylene oxide, or cellulosic polymer. The porous base membrane is expanded polytetrafluoroethylene and the hydrophilic polymer comprises a polyvinyl alcohol and its derivative. The hydrophilic coating contains e-beam reactive group units (0.1-10 mol.%) with regards to total polymer repeat units. The permanently hydrophilic coating contains e-beam reactive group units (1-5 mol.%) with respect to overall coating polymer repeat units. The permanently hydrophilic coating has an average thickness of 1 nm to 1 mu m. EXAMPLE - No suitable example given.