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Patent Searching and Data


Title:
PIGMENT COATING LIQUID COMPOSITION FOR PAPER FOR ROTARY OFFSET PRINTING
Document Type and Number:
Japanese Patent JPS6433297
Kind Code:
A
Abstract:

PURPOSE: To obtain the subject composition for double coated paper for rotary offset printing, containing a specific pigment and an adhesive, not causing a blister, having a strong inner binding strength, and giving good printing gloss.

CONSTITUTION: This primer pigment coating liquid composition contains (A) 100 pts. of a pigment containing heavy calcium carbonate in an amount of 70-100 wt.% and (B) an adhesive containing (i) 4-13 pts. of a starch derivative and (ii) 0-15 pts. of a synthetic polymer. Oxidized starch, etc., and a styrene- butadiene copolymer-based synthetic rubber latex, etc., are preferably used as the components i and ii, respectively, and clay, etc., is also preferably used as other pigments for the component A.


Inventors:
TANABE TOSHIO
Application Number:
JP18553587A
Publication Date:
February 03, 1989
Filing Date:
July 27, 1987
Export Citation:
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Assignee:
MITSUI TOATSU CHEMICALS
International Classes:
D21H19/36; D21H19/44; D21H19/54; D21H27/00; (IPC1-7): D21H1/22; D21H5/00