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Title:
NEWSPRINT PAPER FOR COLD SET TYPE OFFSET PRINTING
Document Type and Number:
Japanese Patent JP2006307370
Kind Code:
A
Abstract:

To provide newsprint paper for cold set type offset printing having high whiteness and excellent glossiness after printing and suitable for high-definition printing, especially FM (frequency modulation) screen printing.

The newsprint paper for the cold set type offset printing is obtained by coating one or both surfaces of base paper containing ≥50 mass% of mechanical pulp in raw material pulp and having ≥73% whiteness with a coating composition consisting essentially of a pigment and a binder in a coating weight within the range of 0.7-4.0 g/m2 based on one surface. The newsprint paper for the cold set type offset printing has 4.0-7.0 μm surface roughness under 20 kgf/cm2 clamping pressure with a PPS (parker print surf), ≥0.2 strain when pressurized to 4.08 MPa and ≥15% printing glossiness.


Inventors:
INOMATA TETSUYA
FUKUYA TAKAO
MATSUO YOJI
Application Number:
JP2005129894A
Publication Date:
November 09, 2006
Filing Date:
April 27, 2005
Export Citation:
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Assignee:
OJI PAPER CO
International Classes:
D21H19/36
Domestic Patent References:
JPH11200278A1999-07-27
JPH01174697A1989-07-11
JPH0949192A1997-02-18
JPH0598596A1993-04-20
JP2003286686A2003-10-10
JPH0457988A1992-02-25
JP2001214395A2001-08-07
JP2003082599A2003-03-19
JPS6399388A1988-04-30