Ink jet recording paper with amorphous silica filler

Details Ink jet recording paper with amorphous silica filler Ink jet recording paper with amorphous silica filler

1990-01-22

1991-05-07

Schwartz, Pamela R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

3461351, 428207, 428211, 428342, B41M 500

Patent

active

050136038

ABSTRACT:
Disclosed is a filler for ink jet recording paper, said filler being composed of amorphous silica having a median diameter, measured by the coulter counter method, of 2 to 15 .mu.m, an oil absorption of at least 180 ml/100 g, a refractive index, measured by the solvent method, of at least 1.450, and a moisture absorption, measured when it is caused to absorb moisture for 200 hours at a relative humidity of 90% and a temperature of 25.degree. C., of at least 35%.

REFERENCES:
patent: 4758461 (1988-07-01), Akiya et al.
patent: 4910084 (1990-03-01), Yamasaki et al.
patent: 4915923 (1990-04-01), Ogawa et al.

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