Ink-jet recording medium and ink-jet recording method making use

Details Ink-jet recording medium and ink-jet recording method making use Ink-jet recording medium and ink-jet recording method making use

1991-03-22

1992-12-15

Hess, B. Hamilton

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428195, 4283044, 428329, 428341, 3461351, 346 11, B41M 500

Patent

active

051716267

ABSTRACT:
An ink-jet recording medium comprises a substrate and a pigment layer. The pigment layer comprises an upper layer and lower layer. The upper layer contains as a major pigment an aluminum oxide having a specific surface area ranging from 90 m.sup.2 /g to 170 m.sup.2 /g. The lower layer contains as a major pigment an aluminum oxide having a specific surface area smaller than the aluminum oxide in the upper layer, an inorganic pigment selected from a carbonate or silicate of calcium, a carbonate or silicate of magnesium, a silicate of aluminum and hydrotalcite having a specific surface are of not more than 150 m.sup.2 /g, or a basic magnesium carbonate having a specific surface area of not more than 150 m.sup.2 /g.

REFERENCES:
patent: 5041328 (1991-08-01), Akiya et al.
patent: 5081470 (1992-01-01), Kurabayashi et al.

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