Fabric-backed pvc flooring - contg plasticiser and polyurethane to improve noise damping and scratch resistance

摘要

PVC compsn. contg. 26% plasticiser, 2 - 70% polyurethane and a foaming agent combined with a carrier, pref. jute or asbestos fabric is prepd. either by calendering a foil of the mixture at 50 degrees C below the foaming temp. or by spreading the mixture onto the carrier, foaming the lines material at 270 - 280 degrees C for 2.5 - 3 min. to give a scratch resistant leather or carpet like floor covering. It has good heat-insulation, noise damping shrink resistance and is used for homes, offices and.