PROCESS FOR PREPARING DECORATIVE FOILS ON THE BASE OF UNSATURATED POLYESTER RESINS

摘要

1466826 Laminates SPRELA WERKE SPREMBERG VEB 14 Aug 1975 [15 Aug 1974] 33886/75 Heading B5N [Also in Division D1] Decorative laminated sheet materials containing unsaturated polyester resins are produced by passing a web 2 of paper, fleece or fabric, insulated on one side, between winding- off and winding-on devices 1, 12, in undulating manner over temp. controlled guide rollers 6 and catalysed resin applicator rollers 7, whereat resin 8 is applied in free-fall to the non-insulated side of the web so that the resin accumulates in troughs in front of the rollers 7, the web being combined on the winding up device 12 with a second web 4 impregnated or un-impregnated with accelerator soln., a further applicator roller 10 for applying accelerator soln. to the insulated side of either web being provided upstream of the winding-up device in the latter case.