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Title:
COLD OFFSET NEWSPRINT
Document Type and Number:
Japanese Patent JP2009167540
Kind Code:
A
Abstract:

To provide cold offset newsprint which has good color print quality, good print workability, and good operability, when cold offset-printed with a penetrating and drying ink in a multi-color high grade printing method.

Provided is the cold offset newsprint prepared by coating and drying a surface-treating agent containing a pigment and an adhesive as main components on base paper containing amorphous silica and/or amorphous silicate, wherein the newsprint is prepared by coating and drying a surface-treating agent comprising 10-300 pts.mass (converted into solid content) of starch as the adhesive, and 0.05-4.8 pts.mass of ketene dimer as a surface-sizing agent, based on 100 pts.mass of the pigment containing calcium carbonate as a main component, in a coating amount of 0.3-1.4 g/m2 per one side.


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Inventors:
IMAI MAYUMI
KAWABATA NOBUAKI
YOKOUCHI HIDEYUKI
YAMAMOTO MANABU
Application Number:
JP2008004117A
Publication Date:
July 30, 2009
Filing Date:
January 11, 2008
Export Citation:
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Assignee:
OJI PAPER CO
International Classes:
D21H19/44; D21H17/68; D21H19/38
Domestic Patent References:
JP2007186408A2007-07-26
JP2006169706A2006-06-29
JP2006233394A2006-09-07
JP2007314907A2007-12-06
JP2004250844A2004-09-09
JPH0233392A1990-02-02
JP2007063705A2007-03-15