PU synthetic leather for shoe making and preparation method thereof

The invention discloses PU synthetic leather for shoe making and a preparation method thereof. The PU synthetic leather comprises a base fabric layer, and a resin layer, an adhesive layer and releasepaper which coat the base fabric layer, wherein the resin layer is prepared from the following raw materials in weight percent: 40 to 60 percent of polyurethane resin, 1.5 to 3.5 percent of a thickener, 2 to 6 percent of toner, and 40 to 60 percent of a solvent; the adhesive layer is formed by performing addition polymerization on organic diisocyanate or polyisocyanate and a dyhydroxyl compound ora polyhydroxy compound; and the release paper adopts PVC wallpaper. The PU synthetic leather is simple to prepare, cannot cause environment pollution, does not bring heavy metal elements, cannot affect health of people, and has excellent bending resistance. 种造鞋用PU合成革及其制备方法，所述PU合成革包括：基布层及涂覆在所述基布层上的树脂层、粘合剂层及离型纸，所述树脂层的制备包括如下重量份的原料：聚氨酯树脂40-60%、增稠剂1.5-3.5%、色粉2-6%、溶剂40-60%，所述粘合剂层是由有机二异氰酸酯或多异氰酸酯与二羟基或多羟基化合物加聚而成，所述离型纸是PVC壁纸。其制备简单，