Patent ID: 8486499
Filing Date: 2013-07-16
Classification: B41M

Abstract:
1. An ink jet recording medium comprising a substrate and two or more ink receiving layers provided on the substrate, wherein a first ink receiving layer that is an outermost ink receiving layer of the two or more ink receiving layers and a second ink receiving layer adjacent to the first ink receiving layer contain an alumina pigment, polyvinyl alcohol and boric acid, the first ink receiving layer contains polyvinyl alcohol in an amount of 7.0% by mass or more and 10.5% by mass or less based on the alumina pigment and contains boric acid in an amount of 1.1% by mass or more and 1.4% by mass or less based on the alumina pigment, and the second ink receiving layer contains polyvinyl alcohol in an amount of 10.5% by mass or more and 17.0% by mass or less based on the alumina pigment and contains boric acid in an amount of 1.5% by mass or more and 2.5% by mass or less based on the alumina pigment.