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Inkjet recording method and inkjet recording system

An inkjet recording method and technology for inkjet recording, which can be used in copying/marking methods, inks, typewriters, etc., can solve problems such as damage, difficulty in printing, and lack of production efficiency, and achieve excellent flexibility and damage resistance.

Active Publication Date: 2009-09-30
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, the ink compositions described in Patent Document 1 and Patent Document 2 have high flexibility, so they are used on flexible roll supports such as vinyl chloride and shrinkable films. There are also problems such as damage to weak labels and other printed matter
In addition, when printing on a hard support such as polycarbonate or acrylic resin board, the printed matter may overlap or be damaged during transportation.
[0015] In addition, an inkjet ink for vinyl chloride (Patent Document 3) and an inkjet ink for polycarbonate (Patent Document 4) have also been disclosed. lack of productivity
In addition, it cannot be used when printing on other acrylic resins and polyolefin resins.
In the prior art, it is difficult to print with the most suitable ink composition for each support by using a printer in which one ink composition for each color is mounted on one printer.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0459] "Inkjet Image Recording Method"

[0460] Next, if figure 1 As shown, recording was performed on the support using an inkjet recording apparatus in which 12 piezoelectric inkjet nozzles and 12 ultraviolet irradiation lamps were arranged. In order to measure the hardness of the support before printing, a D-type durometer (Durometer) was installed, and the measured value was fed back to the ejection control unit of the inkjet recording device. In addition, in order to detect the thickness of the support, an infrared film thickness gauge was attached to the conveying belt, and the measured value was fed back to the discharge control unit of the inkjet recording device.

[0461] The ink composition supply system consists of the original tank, supply piping, ink composition supply tank in front of the inkjet head, filter, piezoelectric inkjet head, from the ink composition supply tank to the inkjet head Insulate and heat. Temperature sensors were respectively provided near...

Embodiment 2

[0477] except as figure 2 As shown, using an inkjet recording experimental device equipped with 12 piezoelectric inkjet nozzles and ultraviolet irradiation lamps, after all the ink is ejected, the exposure surface illuminance is 2,100mW / cm 2 Concentrate UV light so that the accumulated light amount is 5,000mJ / cm 2 Except for this, an experiment was carried out in the same manner as in Example 1, and a color image printed matter 2 was produced.

Embodiment 3

[0538] Using the same method as in Example 1, using only the ink composition A-2, on a PET film (HK-31WF, film thickness 188 μm, manufactured by Higashiyama Film Corporation), yellow (Y), cyan (C), magenta (M), black (K), white (W), clear (CL) ink composition to produce images with 100% of each color. The hardness of the produced image was measured using a durometer.

[0539] Using only the ink composition B-2, 100% images of each color were produced in the same manner, and the hardness of the produced images was measured.

[0540] In addition, using the ink composition A-2 and the ink composition B-2, images of 100% for each color were produced in the same manner at the ratio shown in Table 7, and the hardness of the produced images was measured.

[0541] Table 7 shows the hardness measurement results of each image.

[0542] (Table 7)

[0543] A-2

(weight%) B-2

(weight%) hardness 100 0 15 80 20 30 60 40 50 40 60 60 20 80 80...

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Abstract

An inkjet recording method is provided that includes a preparatory step of preparing an ink set comprising at least ink composition A comprising (a-1) a polymerization initiator and (b-1) a polymerizable compound, at least 65 wt % of the total weight of the polymerizable compound (b-1) being a monofunctional polymerizable compound, and ink composition B comprising (a-2) a polymerization initiator and (b-2) a polymerizable compound, at least 50 wt % of the total weight of the polymerizable compound (b-2) being a polyfunctional polymerizable compound; and a selection step of selecting, as an ink composition used, ink composition A, ink composition B, or the proportions of ink composition A and ink composition B used according to the characteristics and / or the composition of a support used. There is also provided an inkjet recording system that includes the ink set and selection means for selecting, as an ink composition used, ink composition A, ink composition B, or the proportions of ink composition A and ink composition B used according to the characteristics and / or the composition of a support used.

Description

technical field [0001] The present invention relates to an inkjet recording method and an inkjet recording apparatus. Background technique [0002] The image recording method for forming an image on a recording medium such as paper based on an image data signal includes an electrophotographic method, a sublimation type and a fusion type thermal transfer method, an inkjet method, and the like. The electrophotographic method requires a step of forming an electrostatic latent image on the photosensitive drum by electrostatic or exposure, and the system is complicated, resulting in problems such as high manufacturing cost. In addition, although the thermal transfer method is an inexpensive device, it uses an ink ribbon, so there are problems such as high running costs and waste. [0003] On the other hand, the inkjet recording method can effectively use the ink because the printing device is cheap, and it does not need to make a plate when printing, but only ejects the ink at t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/005B41J3/407C09D11/02B41J2/01B41M5/00
CPCC09D11/322C09D11/101C09D11/40
Inventor 大西弘哲
Owner FUJIFILM CORP