abstract |
The present invention is a coating composition comprising 50 to 70% by weight of colloidal silica, 0.1 to 5% by weight of a silane coupling agent, 0.1 to 10% by weight of ethanol, 20 to 40% by weight of distilled water, and 0.001 to 5% by weight of a surfactant, the silane It relates to a coating composition in which the coupling agent is at least one selected from epoxy-based silanes, silane esters, and acrylic-based silanes. The present invention also provides a base film; And it relates to a coating film comprising a coating layer made of the coating composition. |