Recording medium

摘要

A recording medium includes a support and an ink-receiving layer. The ink-receiving layer contains alumina particles, silica particles and a binder. A composition analysis of the recording medium performed by X-ray photoelectron spectroscopy while etching is performed from a surface side to a support side provides a ratio of the amount of Si element to the total amount of Al element and Si element at an etching time of 0 minutes of 10 atomic percent or more and 90 atomic percent or less and a ratio of the amount of Si element to the total amount of Al element and Si element at an etching time of 5 minutes of 50 atomic percent or more.

主权项

1. A recording medium comprising:
a support; and an ink-receiving layer, wherein the ink-receiving layer contains alumina particles, silica particles and a binder, wherein for a composition analysis of the recording medium performed by X-ray photoelectron spectroscopy while etching is performed from a surface side to a support side in a direction substantially perpendicular to a surface of the recording medium using argon gas under application of a power of 25.6 W (4 kV×6.4 μA) at an etching angle of 45 degrees, a ratio of the amount of Si element to the total amount of Al element and Si element at an etching time of 0 minutes is 10 atomic percent or more and 90 atomic percent or less and a ratio of the amount of Si element to the total amount of Al element and Si element at an etching time of 5 minutes is 50 atomic percent or more, and wherein the binder is polyvinyl alcohol having a silanol group.