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Media for inkjet web press printing

A web and printing machine technology, applied in printing, temperature recording, coating, etc., can solve the problems of high ink permeability, poor medium opacity, etc.

Active Publication Date: 2012-03-14
HEWLETT PACKARD DEV CO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is due to the ink's excessively high permeability combined with poor media opacity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] An ink receptive coating composition was prepared using the following formulation:

[0037] Polyvinyl alcohol solution (14%) (Celvol 603) 17.21 parts

[0038] Defoamer (AC-22) (1) 0.12 parts

[0039] Covergloss Kaolin Clay (66.5% solids) (2) 27.82 copies

[0040] Nuclay Kaolin Clay (67% Solids) (3) 24.24 copies

[0041] Calcium chloride solution (40%) 5.48 parts

[0042] Styrene butadiene emulsion (STR5401) 1.32 parts

[0043] Boric acid solution (4%) 5.00 parts

[0044] High-density polyethylene (PE) wax emulsion (Ultralube E-846, 40% solids) 4.20 parts

[0045] 14.61 parts of water

[0046] pH: 5.58

[0047] (1) Polyol polyester blend supplied by Performance Process Inc.

[0048] (2) Supplied by KaMin Performance Minerals; average particle size approximately 0.34 microns

[0049] (3) Supplied by BASF; average parti...

Embodiment 2

[0054] An ink receptive coating composition was prepared using the following formulation:

[0055] Polyvinyl alcohol solution (14%) (Celvol603) 17.21 parts

[0056] Defoamer (AC-22) (1) 0.12 parts

[0057] Covergloss Kaolin Clay (66.5% solids) (2) 28.50 servings

[0058] Nuclay Kaolin Clay (67% Solids) (3) 24.82 copies

[0059] Calcium chloride solution (40%) 5.48 parts

[0060] Styrene butadiene emulsion (STR5401) 1.32 parts

[0061] Boric acid solution (4%) 5.00 parts

[0062] High-density PE wax emulsion (Ultralube E-846, 40% solids) 2.10 parts

[0063] 15.45 parts of water

[0064] pH: 5.56

[0065] (1) , (2) , (3) As described in Example 1.

[0066] The coating composition was applied to 54 g / m with a laboratory knife coater 2 Chemical pulp-based blank paper and desiccator dried. The coat weight of this coating is about 7g / m 2 . The coated paper wa...

Embodiment 3

[0070] An ink receptive coating composition was prepared using the following formulation:

[0071]Polyvinyl alcohol solution (14%) (Celvol603) 17.21 parts

[0072] Defoamer (AC-22) (1) 0.12 parts

[0073] Covergloss Kaolin Clay (66.5% solids) (2) 28.83 copies

[0074] Nuclay Kaolin Clay (67% Solids) (3) 25.12 copies

[0075] Calcium chloride solution (40%) 5.48 parts

[0076] Styrene butadiene emulsion (STR5401) 1.32 parts

[0077] Boric acid solution (4%) 5.00 parts

[0078] High-density PE wax (Ultralube E-846, 40%) 1.05 parts

[0079] 15.87 parts of water

[0080] pH: 5.58

[0081] (1) , (2) , (3) As described in Example 1.

[0082] The coating composition was applied to 54 g / m with a laboratory knife coater 2 Chemical pulp-based blank paper and desiccator dried. The coat weight of this coating is about 7g / m 2 . The coated paper was then calendered on a lab...

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Abstract

A media suitable for inkjet web press printing is disclosed herein. The media includes a paper substrate and an ink receptive layer coated onto at least one surface of the paper substrate. The ink receptive layer includes: inorganic pigments; at least one water-based binder; a water-soluble metallic salt; a colorant durability enhancer selected from the group consisting of boric acid, borax, sodium tetraborate, phenyl boronic acid, butyl boronic acid and combinations thereof; and a coefficient of friction (COF) reducer selected from the group consisting of polyethylene wax, paraffin wax, carnauba wax, polypropylene wax, polytetrafluoroethylene wax, and combinations thereof.

Description

Invention background [0001] High -speed inkjet roll paper printing machine printing is a commercial printing process. Its development is printed at a speed of hundreds of feet per minute on the continuous paper roll tube.Printing is carried out on a continuous roll paper printing machine.The paper roll (it is a continuous roll paper) is transmitted along the paper path, which includes a fixed inkjet print head to spray a series of ink to the tube.The invention involves a improved medium, which is especially suitable for such high -speed roll paper printing machine printing. Invention content [0002] When the printing machine is used for high -speed roll paper printing machine, the printing medium is facing huge challenges.Poor image quality, such as ink coloring, and related poor black and colorful light density are the main problems encountered.Drying time in high -speed printing is also a problem.Another problem is the "image passing" when double -sided printing.This is caused...

Claims

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Application Information

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IPC IPC(8): B41M5/00B41M5/40B41J2/01
CPCB41M5/52B41M5/5227B41M5/529D21H19/36B41M5/5218B41M5/5254B01D67/0072B41M5/506C04B41/009
Inventor 汪永忠曾晞K. 朗克
Owner HEWLETT PACKARD DEV CO LP
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