Ink jet recording sheet

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...

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3461351, 428195, 428206, 428207, 428211, 428342, 428447, 428500, 428507, 428514, 428522, 4285371, 4285375, B41M 500

Patent

active

049006207

ABSTRACT:
An ink jet recording sheet includes a sheet-like substrate composed mainly of 70 to 100 wt % of wood pulp and 0 to 30 wt % of precipitated calcium carbonate and having a Stockigt sizing degree of not less than 2 seconds and not more than 25 seconds when formed into a sheet having a basis weight of 64 g/m.sup.2, and a coating layer composed mainly of white pigment, with the coating layer being formed on at least one side of the substrate at a weight of 1 to 10 g/m.sup.2. This sheet has a high ink absorption rate and is able to develop bright colors and sharp images.

REFERENCES:
patent: 4335184 (1982-06-01), Miyamoto et al.
patent: 4425405 (1984-01-01), Murakami et al.
patent: 4474847 (1984-10-01), Schioder
patent: 4478910 (1984-10-01), Oshima et al.
patent: 4758461 (1988-07-01), Caroc

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