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Patent Searching and Data


Title:
INKJET RECORDING SHEETS
Document Type and Number:
WIPO Patent Application WO/2002/072360
Kind Code:
A1
Abstract:
The present invention provides inkjet recording sheets which have high gloss, high printing density, excellent ink absorbability, and good color reproducibility and image reproducibility, more particularly, an inkjet recording sheet comprising a support and a gloss-imparting layer formed by casting on the support wherein the gloss-imparting layer contains a water-holding agent and inorganic fines having primary particle diameters of 100 nm or below. The coating fluid for forming the gloss-imparting layer preferably exhibits a ratio of pressure dehydration of less than 75 %. The content of the water-holding agent is preferably 0.5 to 5 % by mass. The water-holding agent is preferably a polymer having carboxyl groups. The gloss- imparting layer preferably contains organic fine particles having primary particle diameters of 100 nm or below. The sheet preferably has an ink-receiving layer containing a porous inorganic pigment between the support and the gloss-imparting layer.

Inventors:
IKEDA MITSUHIRO (JP)
SEKIGUCHI HIDEKI (JP)
Application Number:
PCT/JP2002/001368
Publication Date:
September 19, 2002
Filing Date:
February 18, 2002
Export Citation:
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Assignee:
MITSUBISHI PAPER MILLS LTD (JP)
IKEDA MITSUHIRO (JP)
SEKIGUCHI HIDEKI (JP)
International Classes:
B41J2/01; B41M5/00; B41M5/50; B41M5/52; (IPC1-7): B41M5/00
Foreign References:
US5576088A1996-11-19
JP2000263923A2000-09-26
JPH1191234A1999-04-06
JPH1178214A1999-03-23
JPH0459282A1992-02-26
JPH09119094A1997-05-06
US5843572A1998-12-01
Attorney, Agent or Firm:
Asamura, Kiyoshi (New Ohtemachi Bldg. 2-, Ohtemachi 2-chome Chiyoda-ku Tokyo, JP)
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