Projection writing and erasing film and preparation method and use thereof

Abstract

The present disclosure relates to a projection writing and erasing film and a preparation method and use thereof. The projection writing and erasing film includes a surface structured layer, a film base material layer and an installation layer which are arranged in a stacked mode, where the surface structured layer is a matte coating with a roughened surface structure, and the installation layer is a ferromagnetic layer or an adhesive layer. The projection writing and erasing film provided by the present disclosure can not only satisfy the projection effect, take into account writing and erasing functions, but also has multiple functions such as a magnetic adsorption function, and an antibacterial function.

Dependencies are inferred from the claim text.