WO1998023450A1 - Film auto-adhesif pour impression thermique - Google Patents

Film auto-adhesif pour impression thermique Download PDF

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Publication number
WO1998023450A1
WO1998023450A1 PCT/JP1997/003960 JP9703960W WO9823450A1 WO 1998023450 A1 WO1998023450 A1 WO 1998023450A1 JP 9703960 W JP9703960 W JP 9703960W WO 9823450 A1 WO9823450 A1 WO 9823450A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
image receiving
support
thermal transfer
pressure
Prior art date
Application number
PCT/JP1997/003960
Other languages
English (en)
Japanese (ja)
Inventor
Sachio Shimasaki
Reikichi Nakano
Original Assignee
Bando Chemical Industries, Ltd.
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 Bando Chemical Industries, Ltd. filed Critical Bando Chemical Industries, Ltd.
Priority to AU47260/97A priority Critical patent/AU4726097A/en
Publication of WO1998023450A1 publication Critical patent/WO1998023450A1/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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2405/00—Adhesive articles, e.g. adhesive tapes
    • 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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers

Definitions

  • the present invention relates to an adhesive film for thermal transfer printing.
  • the pressure-sensitive adhesive film for thermal transfer printing has a three-layer structure of an image receiving film, a pressure-sensitive adhesive layer, and a support.
  • the image receiving film is printed by a thermal transfer method, the support is peeled off, and the pressure-sensitive adhesive layer is applied to the adherend. It is used as an outdoor or indoor sign, an advertising display, a sticker, a marking material, etc. by pressure-sensitive bonding so that it does not come off.
  • image receiving film paper and synthetic paper are inexpensive and easy to use, and have been widely and widely used since ancient times.
  • image-receiving films made of polyester films have been developed.
  • Image-receiving films made of paper or synthetic paper have poor strength and flexibility and are not suitable for outdoor use or bonding to adherends with secondary and tertiary curved surfaces.
  • image-receiving films made of polyester films are different from paper-made ones in that they have high strength and can withstand outdoor use sufficiently, and because of their poor flexibility, they can be used for adherends with secondary and tertiary curved surfaces. What is not suitable for bonding is the same as paper.
  • polyvinyl chloride film As a general-purpose resin film.
  • This polyvinyl chloride film is excellent in weather resistance and flexibility, and can be used outdoors, as well as adheres well to adherends with secondary and tertiary curved surfaces. It is suitable as an image receiving film for an adhesive film for use.
  • the surface of the polyvinyl chloride film in the adhesive film has irregularities of about several tens of meters, so if only a polyvinyl chloride film is used as the image receiving film, thermal transfer printing Occasionally, the ink is transferred to the convex portions and the ink is not transferred to the concave portions. As a result, the surface of the image receiving film is in a state where the ink is removed in a spot-like manner, and the printed matter is very unsightly. This is because the more irregularities, the more The larger the area of the recesses, the more noticeable it occurs. Therefore, some measures must be taken to adopt a polyvinyl chloride film as an image-receiving film for an adhesive film for thermal transfer printing.
  • the present invention has been made in view of the above, and an object of the present invention is to obtain a pressure-sensitive adhesive film for thermal transfer printing having excellent printability, weather resistance, and suitability for pasting on a curved surface.
  • the present invention is characterized by devising the material of the image receiving film and its hardness.
  • the present invention provides an adhesive film for thermal transfer printing in which an adhesive layer is provided on the back surface of an image receiving film on which printing is performed by a thermal transfer method, and a support is provided on the adhesive layer so as to be peelable.
  • an adhesive film for thermal transfer printing in which an adhesive layer is provided on the back surface of an image receiving film on which printing is performed by a thermal transfer method, and a support is provided on the adhesive layer so as to be peelable.
  • a first solution of the present invention is that the image receiving film is formed of polyvinyl chloride. Further characterized in that the hardness equivalent to 1. 4 ⁇ 4KgZ hide 2 the hardness of the image receiving film 1 0 0% modulus (elongation 1 0 0% modulus when).
  • the hardness of the image receiving film is adjusted by the amount of the plasticizer added to the polyvinyl chloride.
  • the amount of the plasticizer to be added is preferably equivalent to an amount obtained by adding 15 to 35 phr of bis (2-ethylhexyl) phthalate to 10 O phr of polyvinyl chloride. It is.
  • the flexibility of the image receiving film is appropriately secured, the curved surface of the adherend is reliably ensured, and the influence of the surface roughness of the support is reduced. It does not adversely affect the film surface and does not cause ink loss.
  • due to the excellent weather resistance of the poly salty vinyl it can sufficiently withstand outdoor use.
  • the thickness of the image receiving film is set to 70 to 150 m.
  • the support is made of release paper having a basis weight of 50 g / 'or less.
  • the support is made of a resin film having at least a surface roughness of 20 m or less on a surface in contact with the pressure-sensitive adhesive layer. I do.
  • the pressure of the print head during thermal transfer printing is evenly transmitted to the image receiving film, and the print head has sufficient protrusions on the image receiving film surface. Press down to transfer the ink to the concave part without fail, and there is no ink leakage. If the surface of the support that does not come into contact with the pressure-sensitive adhesive layer has a surface roughness of 20 / m or less, it does not come into contact with the pressure-sensitive adhesive layer of the support if it is wound into a roll during manufacturing. The surface comes into contact with the surface of the image receiving film, but the surface irregularities are so small that the effect on the surface of the image receiving film is extremely small even when stored in roll form for a long time.
  • a release agent is applied to at least a surface of the support in contact with the pressure-sensitive adhesive layer.
  • the image receiving film is easily peeled off from the support when the image receiving film is bonded to the adherend. If a release agent is also applied to the surface of the support that does not come into contact with the adhesive layer, the support adheres to the image receiving film and peels off even if it is rolled up and stored for a long period of time. There is no difficulty, and the image receiving film and the support are not delaminated during rewinding.
  • FIG. 1 is a cross-sectional view of an adhesive film for thermal transfer printing.
  • FIG. 1 shows an adhesive film for thermal transfer printing according to an embodiment of the present invention.
  • Reference numeral 1 denotes an image receiving film to be printed by a thermal transfer method, and a back surface of the image receiving film 1 (a surface opposite to the image receiving surface).
  • a support 3 is provided on the pressure-sensitive adhesive layer 2 in a releasable manner.
  • the image receiving film 1 is made of a polyvinyl chloride film.
  • the amount of plasticizer to be added is set to 15 to 35 phr in terms of bis (2-ethylhexyl) phthalate (DOP), which is a phthalate ester plasticizer, based on 10 O phr of polyvinyl chloride.
  • DOP bis (2-ethylhexyl) phthalate
  • the Rukoto that have been determined to be 1. 4 ⁇ 4KgZ ⁇ 2 1 0 0% modulus.
  • the plasticizer is not limited to a phthalate plasticizer, but may be a polyester plasticizer, a phosphate plasticizer, an epoxy plasticizer, or other various plasticizers.
  • a plasticizer may be added so as to have a modulus of 1.4% to 4 kg / mm 2 with a 0% modulus.
  • polyester plasticizer examples include W-305 manufactured by Dainippon Ink and Chemicals, Inc.
  • the 100% modulus refers to the modulus when the test piece (image receiving film 1) is expanded by 100%.
  • the hardness of the image receiving film 1 was set to be 1.4 to 4 kg / image 2 at a modulus of 100% when the image receiving film 1 was less than 1.4 kgZmm 2 because the image receiving film 1 was too soft.
  • effect of surface roughness of the support 3 exerts an adverse effect on the surface of the image receiving film 1, while causing missing ink, exceeds 4 kg / mm 2, the flexibility opposite to the image-receiving film 1 is too hard This is because it becomes scarce, and it becomes difficult to ensure that the image receiving film 1 follows the curved surface of the adherend.
  • the thickness of the image receiving film 1 is set to 70 to 150 m.
  • the reason is that if it is less than 70 m, the surface roughness of the support 3, that is, unevenness, is too thin and appears on the surface (image receiving surface) of the image receiving film 1, causing ink loss, while exceeding 150 m
  • the film becomes too hard, resulting in poor flexibility, and it is difficult to reliably align the image receiving film 1 on the curved surface of the adherend. Since the image receiving film 1 is made of polyvinyl chloride having excellent weather resistance, it can sufficiently withstand outdoor use.
  • an acryl-based pressure-sensitive adhesive widely used for this kind of pressure-sensitive adhesive film may be used, but is not limited thereto.
  • the support 3 is made of release paper made of paper such as high-quality paper or glassine paper, or made of a resin film represented by polyester-polypropylene or the like.
  • release paper a support having a basis weight of 50 g / m 2 or less is used.
  • the support 3 resin In the case of a film, a film having at least a surface roughness of 2 ⁇ ′ or less in contact with the pressure-sensitive adhesive layer 2 is used.
  • the surface roughness of the surface in contact with the adhesive layer 2 of the resin film exceeds 2 0 m, the printing time of the thermal transfer printing Pressure on the image receiving film 1 is difficult to transmit evenly to the print head, and the print head cannot hold down the protrusions on the surface of the image receiving film 1 enough, making it difficult to transfer the ink to the recesses reliably, resulting in ink loss.
  • the surface roughness of the surface of the support 3 that does not contact the pressure-sensitive adhesive layer 2 is preferably 20 / m or less.
  • FIG. 1 shows a case where the support 3 is a release paper.
  • a release agent such as a silicone-based release agent is applied to at least the surface of the support 3 that contacts the pressure-sensitive adhesive layer 2. The reason is that the image receiving film 1 is easily peeled off from the support 3 when the image receiving film 1 is attached to the adherend.
  • the release agent is also applied to the surface of the support 3 that does not come into contact with the pressure-sensitive adhesive layer 2, because when the film is wound up in a roll and stored for a long period of time, the support 3 adheres tightly to the force receiving film 1 and is hardly peeled off. This is to prevent the image receiving film 1 and the support 3 from delamination during rewinding.
  • An image receiving film 1 having a thickness of 60 m and a thickness of 100 // m as shown in Table 1 was calendered using a resin composition having the following composition A and composition B.
  • an acryl-based pressure-sensitive adhesive was applied to the release agent-applied surfaces of the following three types of supports 3, C, D, and E, and dried to form an adhesive layer 2 having a thickness of 30 m.
  • This support 3 was laminated with the pressure-sensitive adhesive layer 2 facing the image-receiving film 1 side, to obtain the heat-transfer printing pressure-sensitive adhesive films of Examples 1 and 2 and Comparative Examples 1 to 6. Was visually evaluated. The results are shown in Table 1. In Table 1, ⁇ indicates good, ⁇ indicates scattered bad places, and X indicates bad overall. Resin composition of image receiving film 1>
  • Comparative Example 2 As in Comparative Example 1, ink omission was observed in some places. This is because the thickness of the image receiving film 1 is less than 70 / m at 60 / zm and is too thin.
  • hardness employing polyvinyl chloride film as an image receiving film thermal transfer printing adhesive film corresponding to 1. 4 ⁇ 4kgZ wicked person 2 the hardness at 1 100% Modulus
  • the flexibility of the image receiving film can be ensured moderately to ensure that the film conforms to the curved surface of the adherend, and the effect of the surface roughness of the support does not adversely affect the surface of the image receiving film. In this way, it is possible to prevent the ink from falling off.
  • weather resistance can be ensured by the material.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

Cette invention concerne un film auto-adhésif pour impression thermique qui possède de meilleures qualités en matière d'aptitude à l'impression, de résistance à l'eau et de collant sur des surfaces courbes. Ce film auto-adhésif possède une structure à trois couches qui comprend un film récepteur d'image (1), une couche auto-adhésive (2) et un support (3). Le film récepteur d'image se compose de chlorure de polyvinyle, et sa dureté varie de 1,4 à 4 kg/mm2 en termes de 100 % du module.
PCT/JP1997/003960 1996-11-25 1997-10-29 Film auto-adhesif pour impression thermique WO1998023450A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU47260/97A AU4726097A (en) 1996-11-25 1997-10-29 Self-adhesive film for thermal printing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8313246A JP3016739B2 (ja) 1996-11-25 1996-11-25 熱転写印刷用粘着フィルム
JP8/313246 1996-11-25

Publications (1)

Publication Number Publication Date
WO1998023450A1 true WO1998023450A1 (fr) 1998-06-04

Family

ID=18038887

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1997/003960 WO1998023450A1 (fr) 1996-11-25 1997-10-29 Film auto-adhesif pour impression thermique

Country Status (5)

Country Link
JP (1) JP3016739B2 (fr)
KR (1) KR20000010937A (fr)
AU (1) AU4726097A (fr)
CA (1) CA2255072A1 (fr)
WO (1) WO1998023450A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2592489B (en) * 2020-02-25 2022-04-27 Diamond Photofoil Ltd A system and materials for adhesive coating

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200251366Y1 (ko) * 2001-07-09 2001-11-17 성정환 유리 부착용 광고시트
KR102516398B1 (ko) * 2022-07-26 2023-04-03 (주)미디어폴리텍 인쇄용 필름 구조체 및 그 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645886A (en) * 1987-06-29 1989-01-10 Dainippon Printing Co Ltd Sheet to be thermally transferred
JPH04238090A (ja) * 1991-01-22 1992-08-26 Mitsubishi Kasei Corp 熱転写用受像紙
JPH05201161A (ja) * 1992-01-24 1993-08-10 Oji Paper Co Ltd 染料熱転写画像受容シート
JPH05301474A (ja) * 1992-04-28 1993-11-16 New Oji Paper Co Ltd 染料熱転写画像受容シートおよびその製造方法
JPH07179078A (ja) * 1993-12-21 1995-07-18 Oji Yuka Synthetic Paper Co Ltd 熱転写画像受容シート

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645886A (en) * 1987-06-29 1989-01-10 Dainippon Printing Co Ltd Sheet to be thermally transferred
JPH04238090A (ja) * 1991-01-22 1992-08-26 Mitsubishi Kasei Corp 熱転写用受像紙
JPH05201161A (ja) * 1992-01-24 1993-08-10 Oji Paper Co Ltd 染料熱転写画像受容シート
JPH05301474A (ja) * 1992-04-28 1993-11-16 New Oji Paper Co Ltd 染料熱転写画像受容シートおよびその製造方法
JPH07179078A (ja) * 1993-12-21 1995-07-18 Oji Yuka Synthetic Paper Co Ltd 熱転写画像受容シート

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2592489B (en) * 2020-02-25 2022-04-27 Diamond Photofoil Ltd A system and materials for adhesive coating

Also Published As

Publication number Publication date
AU4726097A (en) 1998-06-22
CA2255072A1 (fr) 1998-06-04
JP3016739B2 (ja) 2000-03-06
JPH10151695A (ja) 1998-06-09
KR20000010937A (ko) 2000-02-25

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