Patent ID: 9670370
Date: 2017-06-06
CPC Classifications: B05D,C08J,C09D,C23C,H01L,H05B,Y10T

Claim:
1. A method for manufacturing a functional film exhibiting gas barrier properties and having a support, and two or more organic layers and one or more inorganic layers alternately formed on the support, the method comprising: a step of forming an organic layer on the support or on the inorganic layer by a coating process and a step of forming an inorganic layer of a silicon compound by a vapor-phase deposition process, and upon formation of an organic layer overlying the inorganic layer, further comprising a step of exposing a surface of the inorganic layer to air prior to the formation of the organic layer, wherein the organic layer overlying the inorganic layer is formed using a coating material containing an organic solvent, an organic compound for forming the organic layer, and a silane coupling agent in an amount of 0.1 to 25 wt % in terms of concentration in the coating material exclusive of the organic solvent and containing no pH adjuster by applying the coating material onto the surface of the inorganic layer, then subjecting the coating material on the inorganic layer to heating treatment at a higher temperature than an azeotropic point of by-products due to hydrolysis of the silane coupling agent and the organic solvent or at a higher temperature than a higher one of boiling points of the by-products and the organic solvent and drying the coating material on the inorganic layer, then curing the organic compound.