Process for manufacturing coated paper

Details Process for manufacturing coated paper Process for manufacturing coated paper

1996-12-16

1998-08-04

Cameron, Erma

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

427342, 427361, 427364, 427365, 427382, 427391, 427395, 427411, 162136, 162175, 162207, B05D 138, B05D 312, D21F 1100, D21F 1936

Patent

active

057890315

ABSTRACT:
A process for manufacturing a coated paper for use in printing is characterized in that the coated paper for printing is produced by coating a color consisting mainly of pigment and a water-soluble binder made of starch or starch derivatives to the surface of a base paper, then drying and finishing it. Steam or an aqueous penetrant solution having a penetrating force of less than 50 seconds is sprayed or applied over the dry coated layer surface of the coated paper, prior to it being finished with a calender, for redistributing the water-soluble binder in the coated layer in order to correct its uneven distribution, which is the cause of printing mottle during the offset printing operation.

REFERENCES:
patent: 4370389 (1983-01-01), Ogura et al.
patent: 4642164 (1987-02-01), Hanhikoski et al.
patent: 4786529 (1988-11-01), Boissevain
patent: 4900583 (1990-02-01), Hirabayashi et al.
patent: 5106655 (1992-04-01), Boissevain et al.
Translation of JP 02-080694, Mar. 1990.
Hirabashi et al, "New Technique to Reduce Printing-Mottle-Smoothing of Starch Distribution", Tappi Press.
May 1995 Coating Conference, pp. 247-267.

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