the invention relates to the application of a coating to a substrate in which the coating includes a polymer material and the coating is selectively fluorinated and / or cured to improve the liquid repellance of the same . the invention also provides for the selective fluorination and / or curing of selected areas of the coating thus , when completed , providing a coating which has regions of improved liquid repellance with respect to the remaining regions and which remaining regions may be utilized as liquid collection areas .