Open-Celled Foam Which Repels Water Vapor and a Process for Producing It

摘要

The invention relates to a foam which has been made hydrophobic/oleophobic and comprises a foam matrix having open cells and having an impregnation which is made up essentially of a polyvinylidene halide (co)polymer which may optionally comprise further substituents and, if appropriate, additionally a fluorocarbon resin and/or silicone resin. The invention further relates to a process for producing this foam.