Patent ID: 7169457

Claim:
A release sheet for production of a synthetic leather, the release sheet comprising: a matte layer formed by coating a composition for matte layer formation comprising a thermosetting resin and a matting agent as indispensable components, the matting agent comprising at least one of organic and inorganic porous fine particles, the porous fine particles having a mean particle diameter of from 0.5 to 20 μm and a specific surface area of from 1 to 1000 m 2 /g; and a substrate for supporting the matte layer; wherein: the matte layer has a fine concave-convex portion on its surface, the concave-convex portion having an arithmetical mean roughness (Ra) of 0.5 to 15 μm; and a smoothing layer is provided between the matte layer and the substrate, the smoothing layer comprising a leveling agent.