Hydrophilized porous article

摘要

A hydrophilic porous article is provided. The article comprises a hydrophobic porous substrate having coated on at least one external surface and on the internal surface a polyamide. Also provided is a method for making the hydrophilic porous article comprising forming a solvent solution of polyarnide in calcium chloride and methanol; treating a hydrophobic porous substrate by applying the solution to the substrate; rinsing the treated substrate with water to remove the calcium chloride and methanol; and drying the treated substrate.