Abstract: A method for manufacturing of a multilayer PVC semi-finished product, in particular a multilayer PVC synthetic leather or a multilayer PVC foam sheet, the method comprising the steps of: a. Coating a coated or uncoated carrier web with a PVC plastisol, whereby a carrier web coated with an ungelled plastisol layer is obtained; thereafter b. Gelling the ungelled plastisol layer, whereby a carrier web coated with a gelled plastisol layer is obtained; and thereafter c. Cooling the carrier web coated with the gelled plastisol layer; characterized in that the coating comprises coating the carrier web with at least two PVC plastisols one above the other, simultaneously or in immediate succession. A corresponding apparatus is further described.

Abstract: A method for manufacturing of a multilayer PVC semi-finished product, in particular a multilayer PVC synthetic leather or a multilayer PVC foam sheet, the method comprising the steps of: a. Coating a coated or uncoated carrier web with a PVC plastisol, whereby a carrier web coated with an ungelled plastisol layer is obtained; thereafter b. Gelling the ungelled plastisol layer, whereby a carrier web coated with a gelled plastisol layer is obtained; and thereafter c. Cooling the carrier web coated with the gelled plastisol layer; characterized in that the coating comprises coating the carrier web with at least two PVC plastisols one above the other, simultaneously or in immediate succession. A corresponding apparatus is further described.

Abstract: A method for producing a printed plastisol or lacquer layer, includes: providing a web-shaped carrier with a release coating and/or a surface with a releasing property; applying a flowable, preferably liquid or sol-like plastisol or lacquer layer to the release coating and/or the surface with releasing property; contactless printing the flowable plastisol or lacquer layer; and curing of the printed plastisol or lacquer layer.

Abstract: The invention relates to a process for processing an adhesive, wherein the process comprises applying an adhesive precursor product onto an adhesive carrier and activating and crosslinking the adhesive precursor product by treating the adhesive precursor product with water vapor and heat in a reaction chamber, and wherein the process is characterized in that air mixed with reaction gases forming during the activation and crosslinking in the reaction chamber is conducted away from the reaction chamber and recirculated as circulating air into the reaction chamber, wherein a portion of used air of the air recirculated as circulating air is replaced by fresh air. The invention further relates to a corresponding device for processing a pressure sensitive hot-melt adhesive.

Abstract: A method for producing a printed plastisol or lacquer layer, includes: providing a web-shaped carrier with a release coating and/or a surface with a releasing property; applying a flowable, preferably liquid or sol-like plastisol or lacquer layer to the release coating and/or the surface with releasing property; contactless printing the flowable plastisol or lacquer layer; and curing of the printed plastisol or lacquer layer.

Abstract: The invention relates to a process for processing an adhesive, wherein the process comprises applying an adhesive precursor product onto an adhesive carrier and activating and crosslinking the adhesive precursor product by treating the adhesive precursor product with water vapor and heat in a reaction chamber, and wherein the process is characterized in that air mixed with reaction gases forming during the activation and crosslinking in the reaction chamber is conducted away from the reaction chamber and recirculated as circulating air into the reaction chamber, wherein a portion of used air of the air recirculated as circulating air is replaced by fresh air. The invention further relates to a corresponding device for processing a pressure sensitive hot-melt adhesive.