APPARATUS AND METHOD FOR OIL REPELLENT MICROPOROUS FILM

摘要

In various embodiments, a microporous film for a fabric and method of producing the microporous film are provided. The microporous film may be treated with a treatment agent. In some embodiments, the microporous film may be treated prior to the film being applied to the fabric. In other embodiments, the treatment agent may be applied to an exposed side of the film after the film is laminated to the fabric. The treatment agent may include a relatively high concentration of an oil repellent (oleophobic) component to increase the oleophobicity of the film. Additionally, the treatment agent may include a high concentration of a wetting component, such as isobutyl alcohol (IBA) and/or isopropyl alcohol (IPA), to facilitate absorption of the oleophobic component by the film and/or penetration of the oleophobic component into the micropores of the film.