NEUTRAL PAPER FOR PRINTING NEWSPAPER

Title:

NEUTRAL PAPER FOR PRINTING NEWSPAPER

Document Type and Number:

Japanese Patent JP2005281925

Kind Code:

A

Abstract:

To provide neutral paper for printing newspaper, having high whiteness, excellent in opacity, and having a high effect of preventing show-through in printing.

This neutral paper for printing the newspaper is produced by conducting papermaking of paper stock containing a precipitated calcium carbonate-silica composite material as a filler, wherein composite material has a weigh ratio of a solid content of the precipitated calcium carbonate to a solid content of the silica (precipitated calcium carbonate/silica) of 30/70 to 70/30 and is formed by coating surfaces of precipitated calcium carbonate particles with the silica. Thus, the produced neutral paper for printing the newspaper has the high whiteness, is excellent in the opacity, and has the high effect of preventing the show-through in printing.

Inventors:

NAGAHARA MASARU
SOGA KAZUNARI
FUJITA KAZUYUKI
OCHI TAKASHI

Application Number:

JP2004100698A

Publication Date:

October 13, 2005

Filing Date:

March 30, 2004

Export Citation:

Click for automatic bibliography generation Help

Assignee:

JUJO PAPER CO LTD

International Classes:

D21H17/69; (IPC1-7): D21H17/69

Attorney, Agent or Firm:

Kazuo Kawasumi
Junko Oda

Previous Patent: METHOD FOR PRODUCING NONWOVEN FABRIC AND NON WOVEN FABRIC

Next Patent: COLOR WOVEN FABRIC AND METHOD FOR FOAMING COLOR CODE DATA