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Ink jet recording sheet

A technology of inkjet recording medium and ink receiving layer, which is applied in the direction of copying/marking method, printing, etc., can solve the problem of insufficient printing density, etc., and achieve the effect of excellent color development

Inactive Publication Date: 2006-05-03
OJI PAPER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] However, the inkjet recording medium disclosed in the above-mentioned patent documents has a color-developing problem such as insufficient printing density when using either a dye ink or a pigment ink.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] (Example 1)

[0078] Suspend 900 g of wet silica (manufactured by TOKUYAMA, trade name: Finesil X-60) in water, make a slurry (about 10 to 15%), and add a surfactant (polyoxyethylene lauryl ether , trade name: Noigen ET-102, manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd., HLB: 10.8) 100 g of the water suspension, stirred for 1 hour to fully mix. Next, it was spray-dried, pulverized and classified to obtain the surface-treated silica A of the present invention. The obtained surface-treated silica A had an average secondary particle diameter of 6 μm.

[0079]

[0080]80 parts of wet-type silica (manufactured by TOKUYAMA Corporation, trade name: Finesil X-60) as a pigment, 20 parts of surface-treated silica A obtained above, and silyl-modified PVA (manufactured by KURARAY Corporation) as a binder , trade name: R-1130) 20 parts, zinc sulfate aqueous solution as a fixer (manufactured by Wako Pure Chemical Industry Co., Ltd.: dissolve zinc sulfate heptahydrate in...

Embodiment 2

[0085] Except that the zinc sulfate aqueous solution in the ink-receiving layer coating solution of Example 1 was changed to 10 parts of an aqueous zinc chloride solution (manufactured by Wako Pure Chemical Industries: dissolving zinc chloride heptahydrate in water to make 5%), the same as in Example 1 1 An inkjet recording medium was produced in the same manner.

Embodiment 3

[0087] Except changing the zinc sulfate aqueous solution in the ink receiving layer coating solution of Example 1 to 10 parts of magnesium chloride aqueous solution (manufactured by Wako Pure Chemical Industries: dissolving magnesium chloride hexahydrate in water to become 5%), it was produced in the same manner as in Example 1. Inkjet recording media.

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Abstract

The present invention provides an inkjet recording medium, which is provided with an ink receiving layer on a support, and is characterized in that, in the ink receiving layer, a pigment, a binder, an ink fixer, and Terpolymer of alkyl methacrylate and N-methylolacrylamide and styrene.

Description

technical field [0001] The present invention relates to an inkjet recording medium. [0002] This application is based on Japanese Patent Application No. 2004-312570 filed on October 27, 2004. Background technique [0003] The inkjet recording method is to eject ink from a fine nozzle to the surface of the recording body to form an image on the surface of the recording body. Due to its low noise during recording, it is easy to form full-color images, it can be recorded at high speed, and the recording cost is lower than that of other printing methods. Due to low device and other reasons, it is widely used in terminal printers, fax machines, plotters, and account printing. [0004] However, in recent years, the demand for printed matter (inkjet printed matter) printed by inkjet recording method has increased rapidly as a creative (design) media medium such as large posters, exhibitions, leaflets, etc., and it is also used in Large posters and other outdoor exhibitions. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M5/50
CPCB41M5/5218B41M5/5227B41M5/5254B41M5/00
Inventor 户谷和夫砂川宽一松浦谕树下菜穗
Owner OJI PAPER CO LTD
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