abstract |
A PROCESS FOR MANUFACTURING A SYNTHETIC LEATHER MADE UP OF A BASE CLOTH, A SPONGE LAYER (AT TIMES ALSO A SKIN LAYER) AND A SURFACE TREATING AGENT LAYER, IN WHICH THE SPONGE LAYER IS FORMED BY USING AN AQUEOUS DISPERSION CONTAINING GAS BUBBLES WHICH HAS BEEN OBTAINED BY MIXTING A POLYURETHANE RESIN. |