Process for preparing coated printing paper

Details Process for preparing coated printing paper Process for preparing coated printing paper

1998-09-14

1999-11-16

Cameron, Erma

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

427365, 427391, 427395, 427411, 106464, 162136, 162137, B05D 312, B05D 504

Patent

active

059853670

ABSTRACT:
A process for preparing a coated printing paper by applying a coating solution containing a pigment and an adhesive to a base paper, which comprises coating the base paper with the coating solution containing 30 to 90% by weight, based on 100% by weight of pigment components, of rice grain- or spindle-shaped precipitated calcium carbonate as a pigment component, the precipitated calcium carbonate being produced by slaking calcium oxide with a white liquor, followed by causticization with a green liquor, at a causticizing step during pulp production by the sulfate process or the soda process; whereby the coated printing paper free from uneven gloss, mottling, and trapping unevenness, and excellent in ink drying properties and operability with a blade coater is provided.

REFERENCES:
patent: 4244933 (1981-01-01), Shibazaki et al.
patent: 4515833 (1985-05-01), Nojima et al.
patent: 5275651 (1994-01-01), Minayoshi et al.

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