| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating liquid for use in a transparent high gas-barrier film; and a coating film obtained by using the same; as well as a laminate film. SOLUTION: The coating liquid comprises principal solid components of a synthesized smectite and a sodium salt of carboxymethyl cellulose, and a principal liquid component of a solvent of water or of water and alcohol; the coating film is made by applying, drying and adhering this coating liquid onto a substrate of a plastic film or the like; furthermore the laminate film is made by laminating an inorganic substance on this coating film by means of vacuum-deposition method or the like. There are provided the coating liquid to give a coating film having the gas barrier property and the excellent transparency and flexibility, and the coating film obtained by using the same, as well as the laminate film with steam-barrier property, in the packaging materials and surface protective materials for foodstuffs, medicinal supplies, chemicals, and precision electronic parts, etc. COPYRIGHT: (C)2011,JPO&INPIT |
