| abstract |
An object of the present invention is to provide a functional film excellent in gas barrier properties, transparency and flatness, without requiring a large facility, in a simple manner, excellent in economic efficiency and production stability, and high. It is providing the manufacturing method of a functional film provided with productivity. The method for producing a functional film of the present invention comprises a coating step of coating an inorganic layer forming precursor on a heat-resistant substrate to form an inorganic layer forming precursor layer, and the formed inorganic layer forming precursor layer. After heat-firing to form an inorganic layer, a cooling step for cooling the formed inorganic layer, an adhesion step for closely adhering the surface of the heat-resistant substrate with the inorganic layer and the plastic film surface, A method for producing a functional film, which is manufactured through a transfer step of transferring the inorganic layer to a plastic film surface, wherein the transfer step reaches the temperature of the heat-resistant substrate through the cooling step. It is characterized in that it is performed in between. [Selection] Figure 3 |