Ink-jet recording paper, and ink-jet recording method

Details Ink-jet recording paper, and ink-jet recording method Ink-jet recording paper, and ink-jet recording method

1994-07-12

1996-10-22

Schwartz, Pamela R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428195, 428206, 428211, 428342, 428409, 4284782, 428521, 4285375, B41M 500

Patent

active

055675131

ABSTRACT:
An ink-jet recording paper sheet for ink-jet recording with on-demand type heads having a multi-nozzle comprises a recording layer formed on one face of a base paper sheet to give a basis weight of the recording paper of from 150 to 250 g/m.sup.2 with a coating color which contains a pigment and a binder, the pigment containing synthetic silica having a BET specific surface area ranging from 250 to 500 m.sup.2 /g at a content of not less than 80% by weight of the pigment, the binder containing casein and styrene-butadiene rubber, the weight ratio of the pigment to the binder ranging from 1.8 to 2.4, the recording layer having coating solid in an amount ranging from 15 to 25 g/m.sup.2, and surface roughness by ten-point-hight of the recording layer ranging from 0.5 to 5 .mu.m, and the paper sheet being curled at a maximum curling height ranging from 0 to 20 mm in A4 paper size with the printed face upside. An ink-jet recording method ejects ink droplets by thermo energy from an on-demand type head having a plurality of nozzles onto the recording paper sheet.

REFERENCES:
patent: 4490434 (1984-12-01), Oshima et al.
patent: 4770934 (1988-09-01), Yamasaki et al.
patent: 4892591 (1990-01-01), Ogawa et al.
patent: 5372884 (1994-12-01), Abe et al.

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