JP2003064272A - Chemiluminescent substance composition containing highly water-absorbing polymer fine-particle carrying chemiluminescent substance, method for producing the same and sheet using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chemiluminescent substance composition which is inexpensive, has good storage properties, may be easily coated on an object by a well- known method such as printing, and has high counterfeit-resistance as the chemiluminescent substance emits light and the luminescence is visible in the dark, and to provide a method for producing the same and a sheet using the same. SOLUTION: The method for producing the chemiluminescent substance composition containing highly water-absorbing polymer fine-particles carrying the chemiluminescent substance comprises a step (1) of preparing a solution and/or dispersion dissolved and/or dispersed the chemiluminescent substance, a step (2) of causing the solution and/or dispersion prepared in the step (1) to be absorbed in highly water-absorbing polymer fine-particles and a step (3) of dispersing the highly water-absorbing polymer fine-particles prepared in the step (2) in an oily dispersing medium.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chemiluminescent composition containing superfine water-absorbing polymer particles carrying a chemiluminescent material, a method for producing the same and a receipt using the composition, a form such as securities, an IC card, and a magnetic field. The present invention relates to a sheet having a particularly high anti-counterfeit property in cards, rewrite cards and the like.

[0002]

2. Description of the Related Art Conventionally, for the purpose of making counterfeiting difficult, ink (pearl ink, etc.) containing a high-brightness pigment such as titanium coating mica is printed on a specific portion of the substrate surface of foams and cards. and so on. This is excellent in that it is not easily counterfeited and does not require a special authenticity judging device, but it is expensive and therefore there is a problem that the manufacturing cost increases. On the other hand, there is a method of printing marks etc. with special fluorescent ink.According to this method, the mark is hidden in the normal state without increasing the manufacturing cost and the complexity of the manufacturing process. Although it is excellent in that it cannot be prevented, this type of special fluorescent ink may have a light color tone and may be difficult to distinguish. In addition, a black light irradiation device is required for authenticity judgment.
These authenticity determination techniques have a problem that when they have been technically established and have been generally recognized and publicized, they are likely to be counterfeited.

[0003]

SUMMARY OF THE INVENTION A first object of the present invention is a sheet which solves the conventional drawbacks and problems, does not require a special authenticity judging device, and is capable of visually illuminating in a dark place, It is an object of the present invention to provide a chemiluminescent composition which has high anti-counterfeiting properties and can be suitably applied to inexpensive receipts, forms such as securities, and cards such as IC cards, magnetic cards and rewrite cards. The second object is to provide a process for easily producing the chemiluminescent composition, and the third object of the present invention is to provide a novel sheet to which the chemiluminescent composition is applied. is there.

[0004]

Means for Solving the Problems As a result of intensive studies for solving the above-mentioned problems, the present inventors have found that, for example, a chemiluminescent substance is dissolved in a solvent, and this solution is absorbed by superabsorbent polymer fine particles to absorb the solution. By dispersing the superabsorbent polymer particles thus obtained in an oil dispersion medium, various foams,
We can provide chemiluminescent composition that can be applied to cards.
The inventors have found that the problems can be solved and have completed the present invention.

A chemiluminescent composition comprising superfine water-absorbing polymer particles carrying a chemiluminescent substance according to claim 1 of the present invention for solving the above problems absorbs a solution and / or a dispersion of the chemiluminescent substance. The super absorbent polymer fine particles are dispersed in an oil dispersion medium.

A chemiluminescent composition comprising the superabsorbent polymer particles carrying the chemiluminescent substance according to claim 2 of the present invention is the chemiluminescent composition according to claim 1, wherein the superabsorbent polymer particles are spherical. It is characterized by being fine particles.

A third aspect of the present invention includes the following steps (1) to (1).
(3) A method for producing a chemiluminescent substance composition containing superabsorbent polymer fine particles carrying a chemiluminescent substance, which is characterized by being produced according to (3). (1) Prepare a solution and / or dispersion in which a chemiluminescent substance is dissolved and / or dispersed in a solvent. (2) The superabsorbent polymer fine particles are allowed to absorb the solution and / or dispersion prepared in the step (1). (3) The superabsorbent polymer fine particles produced in step (2) are dispersed in an oil dispersion medium to prepare a chemiluminescent composition containing the superabsorbent polymer fine particles carrying a chemiluminescent substance.

According to a fourth aspect of the present invention, a chemiluminescent film formed by using the chemiluminescent composition according to the first or second aspect is provided on a predetermined portion of at least one surface of the substrate. It is a sheet characterized by that.

A chemiluminescent substance composition containing superabsorbent polymer fine particles carrying a chemiluminescent substance of the present invention is, for example,
Since the superabsorbent polymer fine particles that have absorbed the solution of the chemiluminescent substance are dispersed in the oil-based dispersion medium, they are inexpensive and have good storability, and can be easily applied to an object by a known method such as printing. The chemiluminescent substance absorbed by the superabsorbent polymer fine particles in the coating film emits light, and the emission can be visually observed in the dark. By the production method of the present invention, a chemiluminescent composition containing the superabsorbent polymer fine particles carrying the chemiluminescent material of the present invention can be easily produced. The sheet of the present invention is inexpensive and has good storage stability, and the chemiluminescent substance in the chemiluminescent film formed by using the chemiluminescent composition on at least one surface of the base material emits light, so that it can be stored in a dark place. Because you can see the light emission,
It does not require a special authenticity judgment device and has a high anti-counterfeiting property.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Next, the present invention will be described in detail based on the embodiments. FIG. 1 is an explanatory view schematically showing a state in which a chemiluminescent composition containing the chemiluminescent material-supported superfine polymer particles of the present invention is applied to an object.
In FIG. 1, 1 is an object (for example, a substrate), 2 is a chemiluminescent film, and 3 is superabsorbent polymer fine particles that have absorbed a solution and / or dispersion of a chemiluminescent substance 4. Since the chemiluminescent substance 4 supported on the superabsorbent polymer fine particles 3 in the coating film 2 emits light, the emission can be visually observed in a dark place without using a special authenticity determining device.

The superabsorbent polymer used in the present invention includes starch-based, cellulose-based, or synthetic resin-based polymers such as acrylamide, acrylic acid, acrylic acid salt, methacrylic acid salt, styrene and vinyl ether, and copolymers and terpolymers. And so on. As commercially available products, for example, nonionic polyalkylene oxide superabsorbent polymer "AQUACALK" (manufactured by Sumitomo Seika)
Since the water absorption does not change even with salt, it can be suitably used.

[0012] Among the superabsorbent polymers, there are water-soluble, pasty, or water-swellable particles, crushed particles, granules, and powders when they absorb water. Any of these can be used.

As the super absorbent polymer having a strip shape,
Specifically, a solution of a monomer containing acrylic acid and an ammonium salt of acrylic acid or an alkali metal salt is added with 0.1
10% by mass of a polyvalent organic metal ion crosslinking agent is added, solution polymerization is performed, and an appropriately crosslinked superabsorbent polymer obtained by drying, or an acrylic acid and an ammonium salt or an alkali metal salt of acrylic acid An example is a suitably water-absorbent polymer which is obtained by post-crosslinking the copolymer with 0.1 to 10% by mass of a polyvalent organic metal ion crosslinking agent.

As the superabsorbent polymer exhibiting a crushed, granular or powdery state, a method of pulverizing the superabsorbent polymer into a predetermined particle shape, polymerization or condensation from a raw material compound of the superabsorbent polymer. Then, a method of forming the polymer compound in a granular form is exemplified. Among them, spherical or granular polyacrylic acid salt obtained by reverse phase suspension polymerization in an organic solvent, a method of saponifying a vinyl alcohol / acrylic acid salt copolymer or an isobutylene / maleic anhydride copolymer. The resulting superabsorbent polymer (for example, average particle size of about 0.005 to 5 mm) is preferably used because even if water is absorbed, the particles remain non-adhesive to each other and maintain independent particles in a water-retaining state. it can.

A superabsorbent polymer which maintains independent particles even in a water-retaining state can absorb a large amount of a solution or dispersion liquid with high absorbency rapidly, and can be sticky or lumpy even if absorbed. Easy to use and handle without sagging.

The particle size of the superabsorbent polymer fine particles used in the present invention is not particularly limited, and may be of the nm order (molecular dispersion system) depending on the application, type of product, or nm-μm. It may be of the order (colloidal dispersion system), or of μm or larger (coarse particle dispersion system), or a mixture of two or more thereof.

The chemiluminescent substance used in the present invention is not particularly limited, and known substances can be used. Specifically, for example, bis 2,4-dinitrophenyl oxalate (DNPO) or bis oxalate is used. 2,4,6-trichlorophenyl (TCPO) was dissolved in dimethyl phthalic anhydride as a solvent, and the fluorescer [eg,
9,10-diphenylanthracene (blue chemiluminescence),
A solution in which tetracene, 9,10-bis (phenylethynylanthracene (green chemiluminescence), etc.) is dissolved, and a solution in which hydrogen peroxide is dissolved in a solvent of dimethyl phthalate and t-butyl alcohol in a volume ratio of 80:20. Mixtures, systems of dioxycetane and fluorescers [eg anthracene, pyrene, etc.], systems of dioxycetane derivatives and alkaline phosphatase or galacrocitase fluorescers [eg anthracene, pyrene, etc.], luciferin and luciferase systems, luminol chemistry Examples include a light emitting system, a mixture of an aqueous solution of ruthenium trisbipyridine salt and lead peroxide, and an aqueous solution of sodium tetrahydrogen borohydride (orange chemiluminescence).

The oil-based dispersant used in the present invention is a solution obtained by dissolving and / or dispersing a chemiluminescent substance in a solvent such as dimethyl anhydride phthalate or water, and / or superabsorbent polymer fine particles obtained by absorbing a dispersion. Hexane, cyclohexane, carbon tetrachloride, chloroform, dichloromethane, dichloroethane, diethyl ether, 1,2-dimethoxyethane, tetrahydrofuran, 1.4-dioxane, ethyl acetate, if they can be dispersed to prepare a chemiluminescent composition. N, N-dimethylformamide, hexamethylphosphoramide, acetone, acetonitrile,
Low molecular weight organic compounds, oligomers or polymers such as aliphatic solvents such as methanol, ethanol, nitromethane, dimityl sulfoxide, sulfolane, aromatic solvents such as benzene, toluene, naphthalene, chlorobenzene, anisole, diphenyl ether, pyridine, nitrobenzene, etc. Can be a mixture of one or more,
It is not particularly limited.

As another example of the oily dispersant used in the present invention, a non-aqueous vehicle can be mentioned. The non-aqueous vehicle may be the solvent, the non-aqueous ink or the like, or a mixture thereof, and is not particularly limited. Specific examples of the non-aqueous ink include albumin, gelatin, casein, starch, gum arabic, natural resins such as sodium alginate, cellulose derivatives such as carboxymethyl cellulose and hydroxyethyl cellulose, polyamide, polyacrylamide, polyhydroxyethyl methacrylate. , Polyphenylacetoacetal, polyethyleneimine, polyvinylpyrrolidone, polyvinylpyridinium halide, melamine resin, polyurethane, polyvinyl alcohol and its derivatives, polyester, sodium polyacrylate, synthetic resin such as acrylic acid ester copolymer, dimethylamine epichlorohydrin Polycondensate, acrylamide / diallylamine copolymer, polyvinylamine copolymer, dicyandiamide, dimethyl
An ink using a cationic resin such as a compound containing diallyl ammonium chloride as a main component or a mixture of two or more thereof can be mentioned. In addition, an electron beam curable ink, an ultraviolet curable ink, an anionic resin such as a rosin-modified maleic acid having an anionic group such as a sulfonic acid group, a carboxyl group, a sulfuric acid ester group, a phosphoric acid ester group or the like may be used as necessary. Can be used.

In the present invention, among these, electron beam curable ink and ultraviolet curable ink can be preferably used. Such electron beam curable and ultraviolet curable inks include
Any known acrylic photopolymerizable monomer and / or acrylic photopolymerizable oligomer can be arbitrarily selected and used.

Examples of the photopolymerizable monomer include unsaturated carboxylic acids such as acrylic acid and methacrylic acid or esters thereof, such as alkyl-, cycloalkyl-, halogenated alkyl-, alkoxyalkyl-, hydroxyalkyl- and aminoalkyl-. , Tetrahydrofurfuryl-, allyl-, glycidyl-, benzyl-, phenoxy-acrylates and methacrylates, alkylene glycols, polyoxyalkylene glycol mono- or diacrylates and methacrylates, trimethylolpropane triacrylate and methacrylates, pentaerythritol tetraacrylate and Acrylamide, methacrylamide, or derivatives thereof such as methacrylate, for example, acryl mono- or di-substituted with an alkyl or hydroxyalkyl group. Amide and methacrylamide, diacetone acrylamide and methacrylamide, N, N '
Allyl compounds such as alkylene bis acrylamide and methacrylamide, such as allyl alcohol, allyl isocyanate, diallyl phthalate, triallyl isocyanurate and the like.

In the case where the curing shrinkage is an obstacle, for example, isobornyl acrylate or methacrylate, norbornyl acrylate or methacrylate, dicyclopentenoxyethyl acrylate or methacrylate, dicyclopentenoxypropyl acrylate or Acrylate or methacrylic acid ester of diethylene glycol dicyclopentenyl monoether such as methacrylate, polyoxyethylene or polypropylene glycol dicyclopentenyl monoether acrylic acid ester or methacrylic acid ester, such as dicyclopentenyl cinnamate, dicyclopentenoxy Ethyl cinnamate, dicyclopentenoxyethyl monofumarate or difumarate such as 3,9-bis (1,1
-Bismethyl-2-oxyethyl) -spiro [5,5]
Undecane, 3,9-bis (1,1-bismethyl-2-
Oxyethyl) -2,4,8,10-tetraoxaspiro [5,5] undecane, 3,9-bis (2-oxyethyl) -spiro [5,5] undecane, 3,9-bis (2-oxyethyl) Mono-, diacrylate or mono-, dimethacrylate such as -2,4,8,10-tetraoxaspiro [5,5] undecane, or mono-, ethylene oxide or propylene oxide addition polymer of these spiroglycols, Diacrylate, mono- or dimethacrylate, or methyl ether of the monoacrylate or methacrylate, 1-azabicyclo [2,2,2] -3-octenyl acrylate or methacrylate, bicyclo [2,2,1] -5 -Heptene-2,3-dicarboxyl monoallyl ester, such as dicyclopenta Enyl acrylate or methacrylate, it can be used a photopolymerizable monomer, such as dicyclopentadienyl oxyethyl acrylate or methacrylate, dihydrodicyclopentadienyl acrylate or methacrylate. These photopolymerizable monomers may be used alone or in combination of two or more.

As the acrylic photopolymerizable oligomer,
Acrylic acid ester of epoxy resin such as diglycidyl ether diacrylate of bisphenol A, reaction product of epoxy resin with acrylic acid and methyltetrahydrophthalic anhydride, reaction product of epoxy resin with 2-hydroxyethyl acrylate, glycidyl diacrylate Ring-opening copolymerization ester of acrylate and phthalic anhydride, ester of methacrylic acid dimer and polyol, polyester obtained from acrylic acid, phthalic anhydride and propylene oxide, reaction product of polyvinyl alcohol and N-methylolacrylamide An unsaturated polyester prepolymer such as a reaction product of polyethylene glycol, maleic anhydride and glycidyl methacrylate, or the like, after esterifying polyvinyl alcohol with succinic anhydride,
Such as polyvinyl alcohol prepolymers such as those with glycidyl methacrylate added, reaction products of methyl vinyl ether-maleic anhydride copolymer and 2-hydroxyethyl acrylate, or those further reacted with glycidyl methacrylate Polyacrylic acid or maleic acid copolymer-based prepolymers, etc., as well as urethane-based prepolymers having acryloyl groups or methacryloyl groups at both ends linked to polyoxyalkylene segments and / or saturated polyester segments via urethane bonds, etc. Can be mentioned. These acrylic photopolymerizable oligomers are
A weight average molecular weight of about 2000 to 30,000 is suitable.

The photopolymerization initiator may be a conventionally known one, for example, 1-hydroxy-cyclohexyl-phenyl-ketone, 2-hydroxy-2-methyl-1.
-Phenyl-propan-1-one, 1- [4- (2-hydroxyethoxy) -phenyl] -2-hydroxy-methyl-1-propan-1-one, 2-methyl-1- [4
-(Methylthio) phenyl] -2-morpholinopropan-1-one, 2-benzyl-2-dimethylamino-1
-(4-morpholinophenyl) -butanone-1-bis (2,6-dimethoxybenzoyl) -2,4,4-trimethyl-pentylphosphine oxide-bis (2,2
4,6-trimethylbenzoyl) -phenylphosphine oxide and the like can be mentioned. These photopolymerization initiators may be used alone or in combination of two or more. Its content is usually 10 vehicles.
It is preferably selected in the range of 5 to 15 parts by mass per 0 parts by mass.

The chemiluminescent substance composition containing the superabsorbent polymer particles carrying the chemiluminescent substance of the present invention can be easily produced by the following steps (1) to (3).
First, in step (1), a solution and / or dispersion in which a chemiluminescent substance is dissolved and / or dispersed in a solvent such as water is prepared. In the present invention, when the chemiluminescent substance is dispersed in a solvent such as water, a surfactant may be used, but the kind of surfactant, HLB, amount used, etc. are not particularly limited, and the anionic property is not limited. Any of surfactants, nonionic surfactants, cationic surfactants and amphoteric surfactants can be used. The addition amount of the chemiluminescent substance to the solvent such as water is not particularly limited as long as it is the addition amount that enables stable chemiluminescence over a long period of time. The amount may be the same as or more than the amount required to form a saturated solution, or the amount added so that the dispersion state can be stably maintained. The method and apparatus for dissolving or dispersing in a solvent such as water are not particularly limited, and known ones can be used.

Next, in step (2), the solution and / or dispersion prepared in step (1) is absorbed by superabsorbent polymer fine particles. The absorption amount is not particularly limited as long as the absorption amount allows stable chemiluminescence for a long time. The absorbing method and device are not particularly limited, and known ones can be used. When the chemiluminescent composition is composed of a mixture of two liquids as described above, the mixture can be absorbed in a predetermined amount of superabsorbent polymer fine particles.
For example, one solution may be absorbed by, for example, about half of a predetermined amount of the superabsorbent polymer fine particles, and the other solution may be absorbed by the remaining superabsorbent polymer fine particles, and then the two may be mixed. When a mixture of the two is used in this manner, it is considered that the reaction proceeds due to contact between the two superabsorbent polymer fine particles and chemiluminescence occurs, but is not limited to this idea. Not a thing.

Next, in step (3), the chemiluminescent composition containing the superabsorbent polymer particles supporting the chemiluminescent substance by dispersing the superabsorbent polymer particles prepared in step (2) in an oil dispersion medium. make. At this time, the dispersion amount is not particularly limited as long as it can be stably maintained. The method and device for dispersing are not particularly limited, and known ones can be used.

The chemiluminescent composition of the present invention contains the known fillers such as silica, alumina and mica, carbon powder, pigments, dyes, polymerization inhibitors, etc. within a range not impairing the effects of the present invention.
Thickener, thixotropic agent, precipitation inhibitor, antioxidant,
A dispersant, a surfactant and the like can be added.

The chemiluminescent composition of the present invention is, for example,
Brush coating, roll coating method, kiss coat, wheeler coat, spray method, curtain coating method, dipping method, electrostatic coating method, gravure coater, gravure offset coater, flat plate offset coater, dilitho coater, flexo, air knife coater, bar coater, Letterpress printing,
It is possible to form a coating film which is in close contact with the target object by applying it to a predetermined part or the whole of the surface of the target object by a coating means such as intaglio printing or silk screen printing, and drying and curing it as necessary.

The object used in the present invention may be an organic substance, an inorganic substance, or a combination thereof, and may be a naturally derived substance, a synthetic substance or a combination thereof. Specifically, for example, ordinary papers may be used. other,
Synthetic paper or a synthetic film of polyethylene, polyethylene terephthalate having transparency, polypropylene, vinyl chloride or the like can also be used, and carbon, glass, ceramics, metal, wood, or combinations thereof, and processed products thereof, etc. Can be mentioned. In order to improve the adhesion of the coating film, the surface of these objects can be subjected to surface treatment such as matting treatment and corona treatment. The amount of coating on the surface of the object is not particularly limited, but an example of about 1 to 30 g / m ² can be given.

Using the chemiluminescent composition of the present invention, at least the substrate is subjected to at least one printing method such as relief printing, intaglio printing such as gravure printing, lithographic printing such as offset printing, screen printing and ink jet printing, and other commonly used printing methods. It is possible to form a sheet of the present invention having a chemiluminescent film, which is coated on a predetermined portion of one surface, dried if necessary, and irradiated with light such as ultraviolet rays to be cured.

The base material used in the present invention includes fine paper, art paper, coated paper, mirror coated paper, condenser paper,
In addition to paraffin paper and other paper, in addition to paper and film with an overcoat layer (protective layer) on it, synthetic paper or synthetic films such as polyethylene, transparent polyethylene terephthalate, polypropylene, vinyl chloride, etc. It can also be used. When using these synthetic films, it is preferable to subject the surface of the base material to a surface treatment such as a mat treatment or a corona treatment. The coating amount on the substrate surface is not particularly limited, but is, for example, 1 to 30 g /
m ² is preferably 3 to 20 g / m ² , more preferably 5 to 15 g / m ² .

Since the present invention is not limited to the above embodiment, various modifications can be made without departing from the spirit of the claims.

[0034]

The present invention will be described in more detail with reference to the following examples, but the present invention is not limited to these examples. (Example 1) 45 parts by mass of bis 2,4,6-trichlorophenyl oxalate, 7 parts by mass of anthracene, and 10 parts by mass of dimethyl phthalate are mixed and dissolved. Separately, 20 parts by mass of t-butyl alcohol, 80 parts by mass of dimethyl phthalate, 50 parts by mass of sodium salicylate, and hydrogen peroxide solution (30% by mass product) are mixed and dissolved to prepare a solution. 50 parts by mass of these two types of solutions were taken and mixed. This mixed liquid (the chemiluminescent composition of the present invention)
Super absorbent polymer particles [Aquakeep 10SH-P
(Sumitomo Seika Co., Ltd.)] 100 parts by mass. This highly water-absorbent polymer was prepared using trimethylolpropane triacrylate [Aronix M-309 (manufactured by Toagosei Co.)] 85.
45 parts by mass of a photopolymerization initiator 2-methyl-1 [4- (methylthio) phenyl] -2-morpholinpropan-1-one [trade name: Irgacure 907 (manufactured by Ciba Specialty Chemicals)] in 5 parts by mass. A chemiluminescent composition was prepared by uniformly dispersing it in a solution in which parts are dissolved and containing superabsorbent polymer fine particles carrying the self-luminous chemiluminescent substance of the present invention. A coating (chemiluminescent film) was cured by printing this chemiluminescent composition on a predetermined portion of a separately prepared ticket using a silk screen printing machine at 14 g / m ² and irradiating with UV. . The printing portion of the obtained ticket, which is the sheet of the present invention, does not change in a normal state, but it can be visually confirmed that it self-luminesces in a dark place, and it can be determined whether the ticket is a forged ticket. .

(Example 2) A ticket was prepared in the same manner as in Example 1 except that the super absorbent polymer particles used in Example 1 were changed to Aquakeep 10SH-NF (manufactured by Sumitomo Seika). It was found that the printed portion of this ticket, which is the sheet of the present invention, does not change in a normal state, but it can be visually seen that it self-luminesces in a dark place, and it can be judged whether it is a forged ticket.

Example 3 0.1 part by mass of 3-aminophthalic hydrazide is dissolved in 100 parts by mass of water. 10 parts by mass of an aqueous potassium hydroxide solution (5% by mass) is mixed with this liquid. Separately, hydrogen peroxide solution (30 mass% product)
2.5 parts by mass of potassium hexacyanoferrate (III) are mixed and dissolved therein. 50 parts by mass of each of the obtained two types of solutions were mixed. This mixed solution (the chemiluminescent composition of the present invention) was used as superabsorbent polymer fine particles [Aquakeep 1
0SH-P (manufactured by Sumitomo Seika Co., Ltd.)] 100 parts by mass. This highly water-absorbent polymer is trimethylolpropane E
O-modified (n = 2) triacrylate [Aronix M-
360 (manufactured by Toagosei Co., Ltd.)] to 855 parts by mass of a photopolymerization initiator 2-methyl-1 [4- (methylthio) phenyl] -2-
Morphopropan-1-one [Product name: Irgacure 907 (manufactured by Ciba Specialty Chemicals)] 4
A chemiluminescent composition containing the superabsorbent polymer fine particles carrying the self-luminous chemiluminescent substance of the present invention was prepared by uniformly dispersing 5 parts by mass in a solution. A film (chemiluminescent film) is formed by printing this chemiluminescent composition using a silk screen printing machine at a predetermined portion on a separately prepared ticket so as to be 18 g / m ² and irradiating with UV.
Was cured. The printing portion of the obtained ticket, which is the sheet of the present invention, does not change in a normal state, but it can be visually confirmed that it self-luminesces in a dark place, and it can be determined whether the ticket is a forged ticket. .

[0037]

A chemiluminescent substance composition containing superabsorbent polymer fine particles carrying a chemiluminescent substance according to claim 1 of the present invention is a superabsorbent polymer absorbing a solution and / or dispersion of a chemiluminescent substance. Since fine particles are dispersed in an oil dispersion medium, they are inexpensive and have good storage stability, and can be easily applied to an object by a known method such as printing, and chemiluminescence absorbed by superabsorbent polymer particles in a coating film. Substance emits chemiluminescence,
It has a remarkable effect that the light emission can be visually observed in a dark place without using a special authenticity determining device.

The chemiluminescent composition according to claim 2 of the present invention is the chemiluminescent composition according to claim 1 in which the superabsorbent polymer fine particles are spherical fine particles. The composition has the same effect as that of the composition, and even when it absorbs water, it is non-adhesive to each other, has excellent handleability, and has an even more remarkable effect of being excellent in smoothness of the coating film surface.

The production method according to claim 3 of the present invention has a remarkable effect that the chemiluminescent composition of the present invention can be easily produced.

A sheet according to claim 4 of the present invention has a chemiluminescent film formed by using the chemiluminescent composition according to claim 1 or 2 on a predetermined portion of at least one surface of a substrate. Since it is cheap and has good storage stability, the chemiluminescent substance in the chemiluminescent film emits light, and since the emitted light can be visually observed in the dark, a special authenticity determination device is not required, and the anti-counterfeiting property is high, It has a remarkable effect that it can be applied to receipts, forms such as securities, IC cards, magnetic cards, and rewrite cards.

[Brief description of drawings]

FIG. 1 is an explanatory view schematically showing a state in which a chemiluminescent substance composition containing superfine water-absorbing polymer particles carrying a chemiluminescent substance of the present invention is applied to an object.

[Explanation of symbols]

1 Target 2 Chemiluminescent Film 3 Superabsorbent Polymer Fine Particles Absorbing Solution and / or Dispersion of Chemiluminescent Material 4 Chemiluminescent Material

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G09F 3/02 G09F 3/02 FW F term (reference) 2C005 HA02 HB10 JA01 JA26 JC02 LA11 LB22 3E041 AA01 BA07 BB01 4J002 AB011 AB041 BC031 BE041 BG011 BG131 CH021 EA066 EH096 ES006 EU136 FD206 GS00 HA08

Claims (4)

[Claims] 1. Superabsorbent polymer fine particles carrying a chemiluminescent substance, characterized in that superabsorbent polymer fine particles absorbing a chemiluminescent substance solution and / or dispersion are dispersed in an oil dispersion medium. Chemiluminescent composition. 2. The chemiluminescent composition according to claim 1, wherein the superabsorbent polymer fine particles are spherical fine particles. 3. A process for producing a chemiluminescent composition containing superabsorbent polymer fine particles carrying a chemiluminescent substance, which is produced by the following steps (1) to (3). (1) Prepare a solution and / or dispersion in which a chemiluminescent substance is dissolved and / or dispersed in a solvent. (2) The superabsorbent polymer fine particles are allowed to absorb the solution and / or dispersion prepared in the step (1). (3) The superabsorbent polymer fine particles produced in step (2) are dispersed in an oil dispersion medium to prepare a chemiluminescent composition containing the superabsorbent polymer fine particles carrying a chemiluminescent substance. 4. A sheet comprising a chemiluminescent film formed by using the chemiluminescent composition according to claim 1 or 2 on a predetermined portion of at least one surface of a base material. .