FILMS AND MEMBRANES OF POLY(ARYL KETONES) AND METHODS OF CASTING THE SAME FROM SOLUTION

摘要

A method of manufacturing a film or membrane comprising:dissolving at least one polymer comprising polyetherketoneketones (PEKK) in at least one solvent to form a dope;wherein the at least one solvent comprises at least one of 4-chloro-2-methyl phenol (4-Cl-o-cresol), 4-chloro-3-methyl phenol (4-Cl-m-cresol), 3-chloro phenol, 4-chlorophenol, or 4-methyl-phenol (p-cresol),depositing the dope on a substrate to form a coated substrate; anddrying the coated substrate to form a film or membrane such that the film or membrane is non-porous,wherein the substrate is selected from the group consisting of glass, polymer films, metal sheets, silicon wafers, paper, plastics, wood, stone, and non-wovens.