| 摘要 |
<p>A method for making printing paper comprising preparing an ink receiving surface coating composition which comprises an optical brightening agent (OBA), polyvinyl alcohol (PVOH) and a water soluble divalent salt, wherein the PVOH and OBA are added to the coating prior to the salt, and applying said coating composition onto at least one surface of said paper; and a surface coating composition which comprises a protected OBA and a water soluble divalent salt.</p> |
