| abstract |
The present invention, Preparing a polyurethane prepolymer comprising at least one isocyanate resin and at least two polyols; Preparing a first mixture comprising the polyurethane prepolymer, water, a chain extender, and a first surfactant comprising at least one surfactant; Preparing a second mixture comprising the first mixture, a thickener, and a second surfactant comprising at least one surfactant; Foaming the second mixture to form a foamed second mixture; Applying the foamed second mixture to a fabric to form a coated fabric; Optionally adjusting the thickness of the foamed third mixture on the fabric; And Drying the coated fabric Based porous synthetic leather having improved embossing properties. |