WO2000001534A1 - Materiau a imprimer pour imprimante a jet d'encre - Google Patents

Materiau a imprimer pour imprimante a jet d'encre Download PDF

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Publication number
WO2000001534A1
WO2000001534A1 PCT/JP1998/003005 JP9803005W WO0001534A1 WO 2000001534 A1 WO2000001534 A1 WO 2000001534A1 JP 9803005 W JP9803005 W JP 9803005W WO 0001534 A1 WO0001534 A1 WO 0001534A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
printing medium
water
resin
white
Prior art date
Application number
PCT/JP1998/003005
Other languages
English (en)
Japanese (ja)
Inventor
Takashi Nozawa
Tetsuya Abe
Katsumi Tajima
Original Assignee
Sony Chemicals Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Chemicals Corp. filed Critical Sony Chemicals Corp.
Priority to US09/486,557 priority Critical patent/US6632505B2/en
Priority to PCT/JP1998/003005 priority patent/WO2000001534A1/fr
Publication of WO2000001534A1 publication Critical patent/WO2000001534A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5236—Macromolecular coatings characterised by the use of natural gums, of proteins, e.g. gelatins, or of macromolecular carbohydrates, e.g. cellulose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
    • B41M5/506—Intermediate layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings

Definitions

  • the present invention relates to the technical field of a printing medium, and particularly to a printing medium suitable for an ink jet printer. Background art
  • Advertisement posters have been pasted on the windows of buses, trains, and buildings.
  • Advertisement posters are generally composed of multi-color printing, and therefore, a color ink-jet printer is used, and clear color printing is performed on a dedicated printing medium.
  • Such advertising posters for example, have a light-shielding property that, when pasted on a bus window, the printed surface can be seen from the outside of the car, but the poster cannot be seen from the inside of the car.
  • the reference numeral 100 in FIGS. 4A and 4B is such an advertising poster, and an image 107 is formed on a printing medium 110.
  • the printing medium 110 is composed of a base material 101 made of a black resin film and a synthetic paper 102 attached to the base material 101.
  • the resin film 101 and the synthetic paper 102 Has many holes 106 formed therethrough.
  • the printing medium 110 When the aqueous ink is sprayed onto the synthetic paper 102 by the jet printer, and the aqueous ink 105 that has permeated the synthetic paper 102 is fixed, a desired image 107 is formed.
  • the synthetic paper 102 on which the image is formed is attached to the window from the inside of the vehicle such as a bus with the window facing the window. Then, image 107 is facing outwards, and outside passengers can see image 107, while black substrate 101 can be seen from inside the vehicle, but passengers can see hole 10 You can see outside the car through 6. In this case, since the hole 106 is small, the inside of the vehicle is not visible from outside the vehicle.
  • the present invention has been made to solve the above-described disadvantages of the related art, and an object of the present invention is to provide a printing medium that can obtain a clear printing result using an ink jet printer.
  • the printing medium of the present invention has a base material made of a resin film, a white layer formed on the base material, and an absorbing layer formed on the white layer.
  • the layer contains titanium oxide and a hydrophilic resin
  • the absorbing layer contains a water-absorbing resin.
  • the base material, the white layer, and the absorption layer have a plurality of holes formed therethrough.
  • Hydrophilic resin is a resin that does not repel water and gets wet (non-hydrophobic) It is not a resin that absorbs water and swells. Hydrophilic resins include both those that dissolve in water and those that do not dissolve in water. In the present invention, for example, a polyvinyl resin can be used as such a hydrophilic resin.
  • a water-absorbing resin is a resin that absorbs water and swells but does not dissolve in water. Due to such properties, the aqueous ink can permeate.
  • a protein can be used for such a water-absorbing resin.
  • FIG. 1 (a) is a cross-sectional view of a printing medium according to an example of the present invention.
  • FIG. 1 (b) is a cross-sectional view schematically showing a printing medium to which water-based ink has been sprayed by an ink jet printer.
  • FIG. 1 (c) is a cross-sectional view schematically showing a state in which aqueous ink has penetrated into the absorbing layer of the printing medium.
  • FIG. 2 is a cross-sectional view of a comparative example in which an aqueous ink has been impregnated.
  • FIG. 3 (a) is a cross-sectional view of an example of a printing medium having holes according to the present invention, and FIG. 3 (b) schematically shows a state where the printing medium was sprayed with an aqueous ink. It is sectional drawing.
  • FIG. 3 (c) is a cross-sectional view schematically showing a state in which a water-based ink has penetrated into the absorbing layer of the printing medium.
  • FIG. 4 (a) is a plan view of an advertising poster created by an ink-jet printer
  • FIG. 4 (b) is a schematic sectional view of the advertising poster.
  • the printing medium of the present invention is indicated by reference numeral 10 in FIGS. 1 (a) to 1 (c).
  • a printing substrate 10 has a white layer 2 formed on a base material 1 and an absorption layer 3 formed on the white layer 2.
  • a black resin film for example, PET (polyethylene terephthalate) film having a thickness of about 50 ⁇ m
  • PET polyethylene terephthalate
  • a dispersion of titanium oxide (LN643A manufactured by Resino Color Co., Ltd.) was prepared, and as the hydrophilic resin, a poval-modified vinyl alcohol polymer (having both hydrophilicity and water resistance) was used as the hydrophilic resin.
  • a poval-modified vinyl alcohol polymer having both hydrophilicity and water resistance
  • Teikoku Chemical Co., Ltd.'s MK2175 mixing and stirring, apply it to the base material 1 to a predetermined thickness, and dry it.
  • the hydrophilic resin binds to the titanium oxide powder.
  • the white layer 2 having a thickness of about 10 ⁇ m is formed.
  • a protein (a kind of natural protein) having an average particle size of 5 ⁇ m (WR450 manufactured by Idemitsu Petrochemical Co., Ltd.) is applied on the white layer 2 and dried. Then, the absorbing layer 3 (thickness: about 30 m) was formed, and the printing material 10 of Example 1 of the present invention was obtained.
  • the base material 1 was black
  • the water-absorbing resin (protein) was a white resin
  • the titanium oxide powder was a white pigment. When viewed from the absorption layer 3 side, it is white and opaque, and when viewed from the substrate 1 side, it is black and opaque.
  • the absorbing layer 3 is attached to the ink jet printer so that the absorbing layer 3 faces the printing head, and the printing head is used for water-based printing on the absorbing layer 3 from the printing head.
  • Sprinkle the ink Reference numeral 4 in FIG. 1 (b) schematically shows the water-based ink sprayed on the water-absorbing layer 3, and the water-based ink 4 is immediately converted to the water-absorbing layer 3 due to the high water absorption of the protein. Penetrates inside.
  • Reference numeral 5 in FIG. 1 (c) indicates an aqueous ink that has penetrated into the absorbent layer 3.
  • the hydrophilic resin contained in the white layer 2 (here, the poval-modified vinyl alcohol polymer) has both hydrophilicity and water resistance, so that it is well compatible with the aqueous ink that has reached the white layer 1.
  • the aqueous ink 5 penetrating the absorbing layer 3 stays near the surface of the white layer 2 and is fixed there. .
  • the white layer 2 is exposed to the aqueous ink, but since the hydrophilic resin in the white layer 2 has water resistance, it is not dissolved by the aqueous ink 5 and, therefore, clear printing is performed. The result is obtained.
  • the evaluation item of “print bleeding” is to print a plurality of straight lines at a spacing of 200 ⁇ m on the above-mentioned printing material 10 and check whether there is bleeding of the outline of the straight lines. was visually observed, and the case where no blur was observed on the straight line was designated as “ ⁇ ”, and the case where adjacent straight lines were combined and observed due to blurring was designated as “X”.
  • the evaluation items of "color density” were the degree of dullness and the evaluation of the glossiness of the printed matter. Black printing was performed on the above-mentioned print medium 10, and the reflection density of the printed matter was measured by a Macbeth densitometer. A reflection density measurement result of 1.3 or more was evaluated as “ ⁇ ”, and a measurement result of less than 1.3 was evaluated as “X”.
  • the evaluation item of “water resistance” was that, after performing the full-color printing on the above-mentioned printing medium 10, the printing medium was cut into small pieces and immersed in water filled in a container. After standing at room temperature for 48 hours, the small pieces were pulled out of the water, and changes in the printed matter were visually observed.
  • the evaluation item of “whiteness” was measured using a color difference meter (CR2211 manufactured by Minolta Co., Ltd.) at the stage when the white layer 2 was formed on the black base material 1. Since the base material 1 is black, the higher the whiteness, the higher the hiding power of the white layer 2. In Table 1, those with whiteness of 85% or more were evaluated as “ ⁇ ”, and those with less than 85% as “X”.
  • the evaluation item of “hiding property” is so high that the back surface is not visible without printing, but when the black base material 1 is used, the evaluation of the hiding property is all good.
  • the evaluation item of “coating film cracking” is to fold the absorption layer 3 of the printing medium 10 so that the absorption layer 3 becomes the surface, and to check the coating film (white layer 2 and absorption layer 3) in that part.
  • the presence or absence of cracks and the presence or absence of detachment from the substrate 1 were visually observed.
  • the case where no cracking or detachment was observed was evaluated as “ ⁇ ”, and the case where it was observed was evaluated as “X”.
  • Reference numeral 20 in FIG. 3 (a) indicates that a number of holes 26 with a diameter of 3 mm penetrate through the absorbing layer 3, the white layer 2, and the base material 1 in the printing substrate 10 in FIG. 1 (a).
  • FIG. 1 (b) when the aqueous ink 24 is sprayed on the surface of the absorbent layer 3 by the ink jet printer as shown in FIG. 1 (c), Since the ink layer 25 permeated into the absorption layer 3 stops at the white layer 2, a clear printing result can be obtained as in the case of the first embodiment.
  • Example 2 The same material as in Example 1 was used except that the white layer was different, and the forming conditions were the same.
  • the printing medium was evaluated in the same manner as in Example 1.
  • the evaluation results are shown in Example 2 in Table 1 above.
  • the material of the hydrophilic resin used for the white layer is different, a small number of coating film cracks are observed on the printing medium of Example 2 and the color of the printing medium is higher than that of Example 1. Although it is slightly inferior in concentration and water resistance, it has no practical problems.
  • the hydrophilic resin in the white layer the unmodified polyvinyl alcohol polymer (PVA2355 manufactured by Kuraray Co., Ltd.) was used on the substrate instead of the poval-modified vinyl alcohol polymer of Example 1. Then, a white layer was formed thereon, and the same absorbing layer as that of Example 1 was formed on the surface of the white layer to prepare a printing medium. Except for the hydrophilic resin in the white layer, the same material as in Example 1 was used, and the forming conditions were also the same.
  • the printing medium was evaluated in the same manner as in Example 1. The evaluation results are shown in Example 3 in Table 1 above. Since the hydrophilic resin in the white layer is not modified, the water resistance is slightly inferior to that of the printing medium 10 of Example 1, but there is no problem in practical use.
  • Example 2 As a comparative example, as shown by reference numeral 50 in FIG. 2, a printing medium in which an absorbing layer 52 was directly formed on a substrate 51 was prepared, and the same evaluation as in Example 1 was performed. Was.
  • Comparative Example 1 in Table 1 is an evaluation result of a printing medium in which the same material as the base material 1 and the absorbing layer 3 of Example 1 was formed on the base material 51 and the absorbing layer 52.
  • the base material 51 was the same as the base material 1 of Example 1, but the absorption layer 52 was the same as the base tin on which the absorption layer 3 of Example 1 was formed. It is formed by further dispersing a titanic acid powder in a polyester resin, a polyester resin, and a non-yellowing polyurethane resin.
  • Comparative Example 3 is the printing medium 110 shown in FIG. 4B, in which the base material 101 and the synthetic paper 102 are bonded.
  • the printing medium of the present invention also includes a printing medium in which a transparent resin film is laminated on the water absorbing layer surface after printing.
  • the printing medium of the present invention is suitable for printing using an ink jet printer, and a clear image can be obtained using water-based ink. You can get posters at low cost.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un matériau (10) à imprimer comprenant une couche (2) blanche et une couche (3) d'absorption formées dans cet ordre sur un substrat (1) formé d'un film de résine. Ce substrat (1) est noir et opaque et la couche (2) blanche contient de l'oxyde de titane et est blanche et opaque. La couche (3) d'absorption contient une protéine permettant l'absorption d'encre aqueuse. Etant donnée que la couche (2) blanche contient une résine liante hydrophile et résistante à l'eau, elle est compatible avec l'encre (5) aqueuse atteignant la couche (2) blanche après avoir traversé la couche (3) d'absorption ce qui permet d'obtenir une image très vive. En formant d'avance une pluralité de pores (26) sur ce matériau (10) et en produisant une image sur ce dernier au moyen d'une imprimante à jet d'encre, on obtient une affiche publicitaire qui peut être collée sur les fenêtres des bus, etc.
PCT/JP1998/003005 1998-07-03 1998-07-03 Materiau a imprimer pour imprimante a jet d'encre WO2000001534A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US09/486,557 US6632505B2 (en) 1998-07-03 1998-07-03 Material to be printed by an ink-jet printer
PCT/JP1998/003005 WO2000001534A1 (fr) 1998-07-03 1998-07-03 Materiau a imprimer pour imprimante a jet d'encre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/003005 WO2000001534A1 (fr) 1998-07-03 1998-07-03 Materiau a imprimer pour imprimante a jet d'encre

Publications (1)

Publication Number Publication Date
WO2000001534A1 true WO2000001534A1 (fr) 2000-01-13

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ID=14208562

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/003005 WO2000001534A1 (fr) 1998-07-03 1998-07-03 Materiau a imprimer pour imprimante a jet d'encre

Country Status (1)

Country Link
WO (1) WO2000001534A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1138514A2 (fr) * 2000-03-30 2001-10-04 Nippon Paper Industries Co., Ltd. Matériau d'enregistrement par jet d'encre
JP2003011588A (ja) * 2001-06-29 2003-01-15 Dainippon Printing Co Ltd 印画物及びその印画で使用する熱転写リボン

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6357277A (ja) * 1986-08-28 1988-03-11 Honshu Paper Co Ltd インクジエツト記録シ−ト
JPH07179026A (ja) * 1993-12-22 1995-07-18 Mitsubishi Paper Mills Ltd インクジェット記録シート
JPH07238478A (ja) * 1993-12-28 1995-09-12 New Oji Paper Co Ltd インクジェット記録用シート
JP3021781U (ja) * 1995-08-21 1996-03-08 株式会社テクノワ−クス 意匠表示用パンチングシ−トと該意匠表示用パンチングシ−トを用いた意匠表示シ−ト

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6357277A (ja) * 1986-08-28 1988-03-11 Honshu Paper Co Ltd インクジエツト記録シ−ト
JPH07179026A (ja) * 1993-12-22 1995-07-18 Mitsubishi Paper Mills Ltd インクジェット記録シート
JPH07238478A (ja) * 1993-12-28 1995-09-12 New Oji Paper Co Ltd インクジェット記録用シート
JP3021781U (ja) * 1995-08-21 1996-03-08 株式会社テクノワ−クス 意匠表示用パンチングシ−トと該意匠表示用パンチングシ−トを用いた意匠表示シ−ト

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1138514A2 (fr) * 2000-03-30 2001-10-04 Nippon Paper Industries Co., Ltd. Matériau d'enregistrement par jet d'encre
EP1138514A3 (fr) * 2000-03-30 2001-11-21 Nippon Paper Industries Co., Ltd. Matériau d'enregistrement par jet d'encre
US6652931B1 (en) 2000-03-30 2003-11-25 Nippon Paper Industries Co., Ltd. Recording material for ink-jet recording
JP2003011588A (ja) * 2001-06-29 2003-01-15 Dainippon Printing Co Ltd 印画物及びその印画で使用する熱転写リボン

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