Microwave curing of uncured latex carpet

摘要

There is disclosed a floor covering comprising a primary backing having a fibrous face and an underside; and a microwave cured precoat layer on the underside of the primary backing. There is also disclosed herein a method of making a floor covering comprising: tufting or implanting a fibrous material or yarn into a primary backing; precoating the underside of the primary backing layer by applying a precoating composition followed by microwave curing the precoating. An apparatus for curing a precoated primary backing layer.also described.