Title:
COATED PRINTING PAPER AND PROCESS FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2011/105552
Kind Code:
A1
Abstract:
A process is provided in which fine uncoated spots (craters) are less apt to result even from high-speed coating and by which coated printing paper having excellent white-sheet quality and bringing about excellent print quality is efficiently produced through curtain coating.
The process for producing coated printing paper comprises passing base paper through a curtain of a coating fluid to form a coating layer on the base paper, the coating fluid having a breakage time of 500 ms or longer and a Brookfield viscosity at 30ºC of 1,000-3,000 mPa·s and containing a viscosity modifier which comprises a polymer consisting mainly of acrylic monomer units and having a molecular weight of 400,000 or higher.
Inventors:
KOZUKA OSAMU (JP)
ENDO SHOICHI (JP)
ISHIZUKA KAZUHIKO (JP)
MORINAGA SATOMI (JP)
ENDO SHOICHI (JP)
ISHIZUKA KAZUHIKO (JP)
MORINAGA SATOMI (JP)
Application Number:
PCT/JP2011/054289
Publication Date:
September 01, 2011
Filing Date:
February 25, 2011
Export Citation:
Assignee:
JUJO PAPER CO LTD (JP)
KOZUKA OSAMU (JP)
ENDO SHOICHI (JP)
ISHIZUKA KAZUHIKO (JP)
MORINAGA SATOMI (JP)
KOZUKA OSAMU (JP)
ENDO SHOICHI (JP)
ISHIZUKA KAZUHIKO (JP)
MORINAGA SATOMI (JP)
International Classes:
D21H19/58; D21H23/48
Foreign References:
| JPH04361696A | 1992-12-15 | |||
| JP2005299068A | 2005-10-27 | |||
| JP2008513616A | 2008-05-01 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
Ono Shinjiro (JP)
Ono Shinjiro (JP)
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Claims: