JPH08224982A - Transfer foil and id card using the same - Google Patents

Abstract

PURPOSE: To simplify a process in which a protective layer is applied after printing to prevent forgery by forming a layer selected from a layer formed by curing and a curing layer and a printing area to prevent forgery on a support. CONSTITUTION: A photosetting composition or a thermosetting composition is applied on a support 1 to form a protective layer 2. Next, on the protective layer 2, a printing area to prevent forgery, for example, a reflection hologram forming layer 3 in which a metal vapor deposition layer is applied on a resin layer 4 by a conventional method is formed at a specified position. On the layer 3, an adhesive layer 6 is formed to make a transfer foil. The curing of the protective layer 2 to form the transfer foil, though not restricted, is preferably performed before transfer, and the curing in advance of the transfer can eliminate a curing process after transfer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer foil for printing on a protective layer of an ID card for the purpose of preventing forgery / alteration, and particularly, the transfer foil produced by using the transfer foil. The present invention relates to an ID card that has excellent solvent properties and is effective in preventing forgery / alteration.

[0002]

2. Description of the Related Art In recent years, various ID cards represented by licenses such as automobile licenses, identification cards, membership cards with photographs, credit cards, business cards with photographs, medical cards and the like have become widespread. These ID cards are provided with a face image for personal identification, a character information image such as characters and symbols relating to the owner, and printing for the purpose of preventing forgery and alteration.

A face image is usually a full-color image having gradation, and is produced by, for example, a sublimation type thermal transfer recording system or a silver halide color photographic system. The character information image is a binary image, and is produced by, for example, a fusion type thermal transfer recording system, a sublimation type thermal transfer recording system, a silver halide color photographic system, an electrophotographic system, an inkjet system or the like. Further, holograms, fine prints, etc. are adopted for the purpose of preventing forgery / alteration. Other ID cards are provided with standard format printing in advance if necessary.

A protective layer is optionally provided on the surface of the ID card for the purpose of protecting these images. ID
As a protective layer provided on the surface of the card, for example, JP-A-6-
As described in 222535, 6-222536, 6-222537,
After coating the ultraviolet curable resin, a method of providing a protective layer by irradiating with an ultraviolet ray and curing, a method of providing a laminate protective layer as described in JP-A-2-139551, described in JP-A-63-110455 As described above, there is disclosed a method in which an isocyanate compound is applied to the photographic surface of silver halide and then heat-cured to form a protective layer.

However, the above-mentioned techniques have various problems such as maintenance of the coating apparatus for the protective layer solution, cost of the apparatus, lack of monolithic finish, and separate printing for preventing forgery / alteration.

[0006]

The object of the present invention has been made based on the above circumstances. That is, the object of the present invention is to provide an ID card which is simple in the step of applying a protective layer after printing for preventing forgery / alteration and which is further excellent in durability, solvent resistance, and forgery / alteration prevention effect. That is.

[0007]

The above object of the present invention can be achieved by the following constitutions.

(1) A transfer foil comprising a support and a layer selected from a layer formed by curing and a curable layer, and a printed area for preventing forgery / alteration.

(2) A composition in which printing for the purpose of preventing forgery / alteration contains at least one selected from holograms, fine prints, watermarks, {reflective beads, ultraviolet absorbers, infrared absorbers, fluorescent brighteners}. The transfer foil as described above, which is a print, a magnetic recording layer or a bar code formed by an object.

(3) A layer formed by curing the above transfer foil or a curable layer and a print area for the purpose of preventing forgery / alteration are transferred and formed on the side of the substrate having the authentication identification information. ID card characterized by.

The present invention will be described in detail below.

The transfer foil of the present invention forms a protective layer utilizing photocurability, thermosetting property, and the like. For details, see JP-A-54-92404, JP-A-56-144994, and JP-A-56-144994. No. 148580, 56-1
55789, 56-166090, 59-49993, 59-76290
No. 59-103788, No. 60-112441, No. 60-239277,
No. 60-254175, No. 62-83177, No. 63-293099, JP
1-18698, 1-80598, 1-180400, 2-93893
No. 3, No. 3-121884, No. 3-45391, No. 3-065400, No. 4-6
9286, W91 / 1223 etc.

The protective layer formed by the transfer foil of the present invention may be cured before or after transfer, but is preferably before transfer, and if the protective layer is previously cured before transfer, transfer is performed. This is because the subsequent curing step is unnecessary.

Further, the printing for the purpose of preventing forgery / alteration according to the present invention is preferably present between the curing protective layer and the ID card in a state of being transferred to the ID card.

Printing for the purpose of preventing forgery / alteration in the present invention includes holograms, fine prints, watermarks, {reflective beads,
Known methods of printing, magnetic recording layer or bar code formed by a composition containing at least one selected from an ultraviolet absorber, an infrared absorber and a fluorescent brightening agent can be mentioned, either alone or in combination. You may use together 2 or more types.

In the present invention, the various printing methods mentioned above may be carried out by known methods. For example, details of the method using reflective beads are described in JP-A-6-507737.

The image forming method of the face image or the character information image of the ID card of the present invention includes a melting type thermal transfer recording system, a sublimation type thermal transfer recording system, a silver halide photographic system,
An electrophotographic method, an ink jet method, etc. may be mentioned, and it may be used in combination with other information recording means, for example, an IC chip, a magnetic code, a bar code or the like.

A transfer method for transferring a protective layer or the like to an ID card using the transfer foil of the present invention is carried out by applying a pressure to the transfer foil while heating it, such as a thermal head, a heat roller or a hot stamping machine. It is carried out by affixing to, and then peeling off the support of the transfer foil, whereby an ID card having a printed protective layer for the purpose of preventing forgery / alteration is formed. If necessary, the protective layer curing step may be performed later. Also, ID
A sign panel or a driver's license writing layer may be provided on the back surface of the card.

[0019]

The present invention will be described in detail below with reference to examples, but the embodiments of the present invention are not limited thereto. In the following, "part" means part by weight.

(1) Preparation of Transfer Foil As described below, a hologram is used as the forgery / alteration prevention printing,
An ultraviolet curing protective layer was formed to produce a transfer foil. Less than,
Description will be made with reference to FIG.

A 25 μm polyethylene terephthalate film as the support 1 was coated with a UV curable composition comprising the following compounds so as to have a film thickness of 5 μm after curing, followed by UV irradiation (80 W / cm). 5m / min)
To form a protective layer 2.

Epoxy acrylate 80 parts Hydroxy acrylate 10 parts Tetrahydrofuracrylate 8 parts Photopolymerization initiator benzophenone 2 parts Next, on the UV-curing protective layer 2, a reflection hologram formation in which a resin layer 4 is provided with a metal deposition layer by a conventional method. A layer 3 is provided at a predetermined position, and a urethane-modified olefin resin (High Tech S8529 manufactured by Toho Chemical Industry Co., Ltd.) 10 is further provided thereon as an adhesive layer 6.
A transfer foil was prepared by providing 0 part by wire bar coating so that the dry film thickness was 1 μm.

(2) Manufacture of a card having a face photograph and character information on its surface A description will be given below with reference to FIG.

As the support 7, a white polypropylene layer 8 made of 50 μm white polypropylene (Nabrene FL25HA manufactured by Mitsubishi Yuka) was heat-welded on both sides of 350 μm polyethylene terephthalate to obtain a 450 μm composite support. or,
On the back side, a writing layer 9 composed of the following composition is dried to a film thickness of 40
It was provided by wire bar coating so as to have a thickness of μm.

Colloidal silica 2.5 parts Gelatin 7.2 parts Dichlorotriazine curing agent 0.3 parts Water 100 parts Further, polyvinyl butyral (made by Sekisui Chemical Co., Ltd.
A thermal sublimation type image-receiving sheet was obtained by coating the thermal sublimation type image receiving layer 10 consisting of 10 parts of BX1) and 90 parts of methyl ethyl ketone with a wire bar so as to have a dry film thickness of 5 μm. Using a commercially available thermal sublimation type color ink sheet on this thermal sublimation type image receiving sheet, a face image 11 and a character information image 12 such as a name are printed by a thermal head printer, and a facial photograph 11 and the character information image are printed.
A card having 12 on the surface was prepared.

(3) Preparation of ID Card Hereinafter, description will be made with reference to FIGS. 3 (a) and 3 (b).

A heat roller (temperature of 200 ° C., conveying speed of 5 cm / cm) is prepared so that the front side of the card prepared as described above faces the adhesive layer side of the transfer foil and the back side of the transfer foil is heated.
A partial pressure of 10 kg) was passed, and the support of the transfer foil was peeled off after sticking to obtain an ID card 13 having a surface protective layer and a forgery / alteration proof hologram image 14.

(4) Evaluation of ID card The surface of the scratch-resistant surface protective layer was coated with Kanakin No. 3 white cloth to give 1 kg.
The rubbing resistance was evaluated by rubbing 1000 times with a load of / cm ² .

As a result, scratches and the like did not occur.

The surface of the solvent-resistant surface protective layer was treated with a cotton swab containing each of methyl ethyl ketone, toluene, benzine and ethanol.
Rubbing was performed and the solvent resistance was evaluated.

As a result, the surface of the surface protective layer was not deteriorated by any solvent.

As is clear from the above, after the transfer foil of the present invention is attached to the side having the authentication and identification information, the step of applying a protective layer by coating is simplified, and the surface protective layer is previously cured. As a result, an ID card having excellent durability such as scratch resistance and solvent resistance and excellent forgery / alteration resistance can be easily manufactured.

Further, the same effect is shown not only when using the hologram but also when the forgery / alteration preventing means is replaced with another means. Further, when two or more kinds of the above forgery / alteration preventing means are used in combination, the security is excellent.

[0034]

According to the present invention, the step of providing a protective layer by coating after printing for preventing forgery / alteration is simplified,
An ID card having excellent durability, solvent resistance, and anti-counterfeiting effect can be easily provided.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a transfer foil of the present invention.

FIG. 2 is a sectional view of a card used in the present invention.

3A and 3B are a top view and a cross-sectional view of an ID card of the present invention.

[Explanation of symbols]

 1 Support 2 Curing Protective Layer 3 Hologram Forming Layer 10 Thermal Sublimation Image Receiving Layer 13 ID Card 14 Hologram Image

Claims (3)

[Claims] 1. A transfer foil comprising a support and a layer selected from a layer formed by curing and a curable layer, and a printed area for preventing forgery / alteration. 2. A composition in which printing for the purpose of preventing forgery / alteration contains at least one selected from holograms, fine prints, watermarks, {reflection type beads, ultraviolet absorbers, infrared absorbers, optical brighteners}. The transfer foil according to claim 1, which is a printing, magnetic recording layer or bar code formed by the method. 3. A layer or a curable layer formed by curing the transfer foil according to claim 1 or 2, and a print area for the purpose of preventing forgery / alteration on the side of the substrate having the authentication identification information. An ID card characterized by being transferred and formed.