Inkjet recording paper and a manufacturing process thereof
AssigneeNippon Paper Industries Co., Ltd.
InventorsYoshihiro Kuroyama, Teruhisa Shimada, Hirokazu Hirata, Yoshifumi Iimori
Life of this patent
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Abstract
An ink jet recording paper characterized in that it comprises a base paper wherein at least one surface has a recording layer, this recording layer containing at least 40 weight % of a pigment and no more than 60 weight % of a binder, the surface roughness by ten point height on the recording layer surface being no more than 5 .mu.m, and the air permeability of the recording paper being no more than 1,000 seconds and a manufacturing process thereof are disclosed.
Claims20
An ink jet recording paper comprising a base paper with at least one surface thereof having a recording layer thereon containing at least 40 weight % of a pigment having a specific surface area of 40-600 m.sup.2 /g, and no more than 60 weight % of a binder, wherein the surface roughness by ten point height on the recording layer surface is no more than 5 .mu.m, the gloss of the recording layer surface at 75 degrees according to JIS Z8741 is 70% or more, and the air permeability of the whole recording paper is no more than 1,000 seconds.
Dependencies are inferred from the claim text.