Paper making and fiber liberation – Processes and products – With coating after drying
Patent
1997-04-14
1998-07-21
Cameron, Erma
Paper making and fiber liberation
Processes and products
With coating after drying
162158, 1621812, 1621641, 1621681, 10628729, 106465, 106503, 423432, D21F 1100
Patent
active
057830380
ABSTRACT:
An improved thermal ink jet recording paper, incorporating heat aged precipitated calcium carbonate ("PCC") and a binder, is disclosed. Heat aging the PCC in the presence of an organophosphonate produces discrete particles of PCC with a surface morphology and chemistry that enhances the ability of the PCC to bind to ink jet ink without binding so strongly that the color of the ink is changed. Ink jet recording papers incorporating the PCC and binders of the present invention have reduced feathering, spreading, and penetration or backside showthrough, as well as improved optical density, dry time, and water fastness.
REFERENCES:
patent: 4892590 (1990-01-01), Gill et al.
Donigian Douglas Ward
McFadden Michael Gregory
Resnik Robert Kenneth
Cameron Erma
Minerals Technologies Inc.
Morris Terry B.
Powell Marvin J.
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