| abstract |
An inorganic coating solution composition including an alkali metal silicate, a curing agent, a dispersant, a defoamer, and a solvent, wherein the curing agent is phosphoric acid (H 2 PO 4 ), the dispersant is at least one selected from among Tween 20, Tween 40, Tween 60, Tween 80, polyvinyl pyrrolidone, polyethylene glycol 400 and polyvinyl alcohol, and the defoamer is at least one selected from among a silicone-based defoamer, an alcohol-based defoamer, a mineral oil-based defoamer and a powder defoamer. |