JP2001296804A - Phosphorescent material and phosphorescent member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a phosphorescent material having transparency and a film-like phosphorescent member having the transparency in an ordinary tacky adhesive working process step and to provide the phosphorescent member which may be made to emit light with a desired color. SOLUTION: The phosphorescent material 12 having the transparency is manufactured by mixing a phosphorescent agent 12 and a tacky adhesive 13 at a prescribed ratio. The phosphorescent material 12 having the transparency is applied on a translucent film (base member 11).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a phosphorescent material having transparency and a phosphorescent member having transparency coated with the phosphorescent material.

[0002]

2. Description of the Related Art Conventionally, as a light storage member of this kind, a kneading type light storage sheet in which a light storage agent and a synthetic resin are mixed (in this case, the light storage sheet is an opaque material having no translucency). Are known. In addition, a phosphorescent material obtained by mixing a phosphorescent agent and a synthetic resin on one surface of a light-transmitting film made of a synthetic resin, or a phosphorescent material obtained by mixing a phosphorescent agent with ink is applied, and has a light-emitting effect. Seats are also known. There has also been a light-storing sheet in which a powdery light-storing agent is sprayed and applied to one surface of a light-transmitting film made of a synthetic resin, and an adhesive and a release member are provided thereon. In this case, a sheet having a thickness of 200 μm or more is set to a normal sheet,
A film having a thickness of not more than μm is usually defined as a film.

[0003]

Among such conventional phosphorescent sheets, a phosphorescent agent-mixed type phosphorescent sheet contains a synthetic resin in which a phosphorescent agent is mixed, so that the phosphorescent agent is not mixed with the phosphorescent agent. Compared to a resin-only sheet, a light-storing sheet of the same thickness as a light-storing agent kneading type has a reduced strength due to the mixing of the phosphorescent agent. However, due to such necessity, if the phosphorescent sheet is made to have a strength that can be practically used, the phosphorescent sheet has a thickness of 200 μm or more, and a thin phosphorescent film of 200 μm or less cannot be produced.

[0004] Further, a coating type phosphorescent material which exhibits a luminous action with color by coating a phosphorescent material in which a paint containing a phosphorescent agent and a pigment is mixed, or printing a phosphorescent material in which an ink containing a phosphorescent agent and a pigment are mixed. There is also a film, but when it is desired to emit light of this luminous film in a desired color, the specific gravity of the luminous agent is large in the paint or ink, and the luminous agent sediments.
For this reason, there is a problem that the luminous agent is not evenly applied to the luminous film, and when a luminous material is applied, there is a problem that a large amount of heat energy is required for drying and a great amount of time is required.

On the other hand, a phosphorescent sheet in which a powdery phosphorescent material is kneaded on one side of a translucent film made of a synthetic resin is sprayed and applied, and an adhesive and a release member are provided thereon. Many of the agents are scattered without being applied to the film. For this reason, there is also a problem that a lot of the luminous agent scattered is wasted and the cost of the luminous sheet is increased.

The present invention provides a phosphorescent material having transparency and a film-like phosphorescent member having transparency in a normal adhesive process, and a phosphorescent member capable of emitting light of a desired color. The purpose is to:

[0007]

That is, the luminous substance of claim 1 is formed by mixing a luminous agent and an adhesive at a predetermined ratio, and has transparency.

The luminous substance of claim 2 is formed by mixing a luminous agent, an adhesive and a pigment of one color or a plurality of colors at a predetermined ratio, and has transparency.

The light-storing member according to a third aspect of the present invention has a transparency by mixing a light-storing agent and an adhesive at a predetermined ratio, and then applying the mixture to a light-transmitting film.

Further, the luminous member according to claim 4 is constituted by mixing a luminous agent and an adhesive at a predetermined ratio, and applying a luminous material having transparency to a translucent film, and then arranging the luminous material. Has a peeling member attached thereto.

Further, the luminous member according to claim 5 is, in addition to the constitution according to claim 3 or 4, wherein the luminous agent and the adhesive are mixed with one or more color dyes.

[0012]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal sectional side view of a phosphorescent member 10 of the present invention, and FIG. 2 is a phosphorescent material 1 constituting the phosphorescent member 10 of the present invention.
2 respectively show enlarged longitudinal side views. Light storage member 1
Numeral 0 is composed of a base member 11 as a translucent film, a phosphorescent material 12 applied on the base member 11 with a predetermined thickness, and a peeling member 16 stuck on the phosphorescent material 12. ing.

The base member 11 is a light-transmitting film made of a synthetic resin. As long as the material is light-transmitting (transparent), any type of synthetic material can be used, such as polypropylene, polyester, vinyl chloride, and the like. A resin may be used. Further, the thickness of the base member 11 is not particularly limited,
A film having a thickness of about 20 μm to 100 μm is preferable for handling.

The luminous substance 12 comprises a luminous agent 13 and an adhesive 1
4 is mixed at a predetermined ratio, and the phosphorescent agent 13 is composed of a powdery phosphorescent powder having a size of about 15 μm to 70 μm. The luminous agent 13 is configured to store the energy of the illuminated light (hereinafter referred to as luminous storage) when illuminated by light such as natural light or fluorescent light, and to emit the stored light for a certain period of time in darkness. The luminous agent 13, for example, Chemitech Picarico (trade name) manufactured by Chemitech Co., Ltd., is used. When a fluorescent lamp (30 W) is applied for about 10 minutes, a predetermined visible light is obtained in the dark. It is configured to emit light for about 8 hours to 30 hours.

When the luminous agent 13 emits the stored light in the dark, it consumes the energy of the light and becomes dark,
When the light is applied, the light is stored again, and the light is emitted again in the dark. In addition, the technique of storing the light hit by the light storing object 12 and emitting the stored light is a conventionally well-known technique, and a detailed description thereof will be omitted.

The adhesive 14 is UV (ultraviolet)
A curable acrylic hot melt adhesive is used.
As the UV-curable acrylic hot melt pressure-sensitive adhesive, one that becomes substantially transparent when converted to a pressure-sensitive adhesive is used. in this case,
The UV-curable acrylic hot melt pressure-sensitive adhesive is, for example, G-5412 manufactured by Nortape Kogyo Co., Ltd., which is solid at normal temperature and fluidized by heating at a predetermined temperature. When the fluidized UV-curable acrylic hot melt pressure-sensitive adhesive is irradiated with ultraviolet rays, it cures and changes to a pressure-sensitive adhesive having a predetermined adhesive strength.

The luminous agent 13 and the UV-curable acrylic hot melt adhesive are mixed in a weight ratio of 30 to 50:50, preferably 50:50. In a state where the UV-curable acrylic hot melt pressure-sensitive adhesive is heated to a liquid state, the UV-curable acrylic hot melt pressure-sensitive adhesive and the phosphorescent agent 1
3 is stirred, and the phosphorescent substance 12 in which the phosphorescent agent 13 is uniformly diffused in the UV-curable acrylic hot melt adhesive is completed. The heated phosphorescent substance 12 is applied to the entire surface of the base member 11 with a thickness of about 50 μm.
The luminous agent 13 and the UV-curable acrylic hot melt adhesive were mixed at a weight ratio of 50:50.
No. 3 and the UV-curable acrylic hot melt adhesive may be mixed at a mixing ratio other than 50:50 by weight. Further, the liquid phosphorescent material 12 is applied to the entire surface of the base member 11 with a thickness of about 50 μm, but the thickness of the phosphorescent material 12 is not limited to this thickness.

Next, the phosphorescent substance 1 applied to the base member 11
When the ultraviolet ray is irradiated on 2, the UV-curable acrylic hot melt adhesive changes into a predetermined solid adhesive 14 in a short time. That is, the liquid phosphorescent material 1 applied to the base member 11
The UV curable acrylic hot melt pressure-sensitive adhesive 2 is cured in a short time when irradiated with ultraviolet light and changes into a pressure-sensitive adhesive 14, so that the luminous agent 13 does not precipitate in the pressure-sensitive adhesive 14 and the luminous agent 13 is uniform. The phosphorescent material 12 is in a state of being stirred.

Here, a description will be given of the results of the adhesive strength test of the pressure-sensitive adhesive 13 and the pressure-sensitive adhesive 14 after the UV-curable acrylic hot melt pressure-sensitive adhesive mixed at a weight ratio of 50:50 is irradiated with ultraviolet rays. The phosphorescent agent 13 and the UV-curable acrylic hot melt adhesive are mixed at a weight ratio of 50:50 and heated, and the phosphorescent substance 12 in a liquid state is applied to the base member 11 by about 50 μm.
, And irradiated with ultraviolet rays of 500 mj / square cm. Thereby, the phosphorescent material 12 is hardened and becomes substantially transparent. In this case, the luminous substance 1 is prepared by mixing the luminous substance 12 of fine particles with a substantially transparent UV-curable acrylic hot melt adhesive.
2 is reduced to about 50 μm.
Becomes substantially transparent.

The adhesive strength of the cured adhesive 14 is 30
600 / mmg can be achieved after 1 minute and 800 after 1 day
/ Mmg could be achieved. The holding power is 1 kg at 70 ° C.
Was maintained for 55 minutes, and a ball tack of 10/32 was achieved.
This value cleared the adhesive strength of the Japanese Industrial Standards, and the adhesive film was able to clear the adhesive strength of the Japanese Industrial Standards.

The peeling member 16 is made of the same material as the base member 11 and has a thickness of 25 μm. And
In the process of irradiating the UV curable acrylic hot melt adhesive applied to the base member 11 with ultraviolet rays and changing to the adhesive 14, the phosphorescent material 12 is firmly adhered to the base member 11 by the adhesive 14. The phosphorescent substance 12 applied to the base member 11
The peeling member 16 is adhered to the entire upper surface. This peeling member 1
6 is bonded to the luminous substance 12, but the luminous substance 12 is
1, the peeling member 16 can be easily peeled off from the phosphorescent material 12. Note that the peeling member 16 may be transparent or not transparent.

As described above, since the transparent optical member 10 in which the luminous agent 13 and the adhesive 14 are mixed at a predetermined ratio is applied to the base member 11 made of a translucent film, 14 while maintaining a predetermined adhesive strength, 200 μm
The following phosphorescent member 10 having a thin film shape and having transparency can be obtained. Also, a luminous agent 1 composed of fine particles
Phosphorescent material 12 having a mixture of an adhesive 3 and an adhesive 14
Is applied to the base member 11 thinly, so that the transparency of the phosphorescent material 12 can be further increased, and the back side of the phosphorescent material 12 can be easily seen through the phosphorescent member 10.

As a result, it is possible to manufacture the translucent light storing member 10 having a predetermined strength, so that the peeling member 16 is peeled off, and the light storing member 10 is divided into a wall, a pillar, a table, a book,
Characters and photographic images such as bottles, vessels, and signs installed outdoors 17
The pattern 1 on the back side of the light storage member 10 is generated by the light emission of the light storage
7A and characters can be easily visually recognized.
Further, since the light storing member 10 is strongly adhered by the adhesive 14, it is possible to prevent the light storing member 10 from being peeled off, and to visually recognize the lower characters and the pattern 17A through the light storing member 10. (FIG. 3). In a dark place, it is difficult to visually recognize the pattern 17A in the photographic image 17 to which the light storage member 10 is not attached (FIG. 4).

Further, since the luminous agent 13 and the adhesive 14 are merely mixed at a predetermined ratio, the luminous substance 12 obtained by mixing the luminous agent 13 and the adhesive 14 at a predetermined ratio is used similarly to ordinary adhesive processing. It is also possible to apply it to printed matter, and it is also possible to apply the phosphorescent material 12 to a board such as a predetermined paper or a synthetic resin, and then print it on the board. Further, since the phosphorescent substance 12 is merely applied to the base member 11 made of a translucent film, it is possible to save the trouble of drying the paint as in the related art, and it is also possible to save the phosphorescent substance 12 mixed with the adhesive 14. All can be applied to the base member 11.

A luminous substance 12 in which a luminous agent 13 and an adhesive 14 are mixed at a predetermined ratio is applied to a base member 11 at a predetermined thickness, and a peeling member 16 is attached to the luminous substance 12. The phosphorescent member 10 can be obtained simply by peeling off the peeling member 16.
Can be pasted on the character or the pattern 17A. Thereby, the predetermined portion where the light storage member 10 is stuck can be easily made to emit light, and even in the dark, the light and the pattern 17A on the lower side of the light storage member 10 can be visually recognized by the light emission of the light storage agent 13. .

Next, the phosphorescent member 10 mixed with the dye 15
A will be described with reference to FIG. The phosphorescent agent 13, the UV-curable acrylic hot melt adhesive, and one or more colors of the pigment 15 are mixed at a weight ratio of 50:30 to 20 to produce the phosphorescent material 12 </ b> A. In this case, the pigment 15 is composed of a 7 μm powder having a smaller particle size than the phosphorescent agent 13, and the transparency of the phosphorescent substance 12A is hardly hindered. Further, as the pigment 15, red, blue, light blue, yellow,
Although a color such as pink or green may be mentioned, if the color of the dye 15 is dark, the light emission of the phosphorescent substance 12A is inhibited and the color is darkened. Therefore, a light-colored dye 15 is preferable. The luminous substance 12A was obtained by mixing the luminous agent 13, the UV-curable acrylic hot melt adhesive, and the pigment 15 at a weight ratio of 50/30/20. The curable acrylic hot melt adhesive and the pigment 15 may be mixed.

In a state where the UV-curable acrylic hot melt pressure-sensitive adhesive is heated to a liquid state, the UV-curable acrylic hot melt pressure-sensitive adhesive, the luminous agent 13 and the pigment 15 are stirred, and the UV-curable acrylic hot melt pressure-sensitive adhesive is heated. The phosphorescent substance 13A in which the phosphorescent agent 13 and the dye 15 are uniformly diffused is completed. The heated phosphorescent material 13A is applied to the entire surface of the base member 11 with a thickness of about 50 μm. Thus, the light storage member 10A can emit light in any color such as red, blue, light blue, yellow, pink, and green.

As described above, since the predetermined pigment 15 is mixed with the phosphorescent substance 12A and the adhesive 14, the phosphorescent member 10A can emit light of a predetermined color. In addition, a phosphorescent member 10A that emits light in various arbitrary colors is made,
This phosphorescent member 10A is used for walls, pillars, tables, books, bottles,
Even when pasted on a character such as a sign placed outdoors and a picture pattern 17A copied on a photographic picture 17, the letters and the picture pattern 17A under the light storage member 10A are transmitted in a predetermined color. You will be able to see it.

Thus, by simply peeling off the peeling member 16 and attaching the phosphorescent member 10A to a desired location, the portion can be colored in a predetermined color without impairing the visibility of the picture pattern 17A on the surface of the work under normal conditions. Can be visually recognized. Therefore, in a room or the like where the light is turned off, a fantastic sight can be created by the characters and the pattern 17A of the photographic image 17 emitted by the light storage member 10A of a predetermined color.

The phosphorescent member 10A mixed with the dye 15
As in the case of the above-described light-storing member 10, the light-storing performance can be provided by the same method as the other adhesive processing, and it is possible to form a thin film of 200 μm or less while maintaining a predetermined adhesive force. By attaching the phosphorescent member 10A to a bottle, a container, a sign installed outdoors, or the like, visibility in the dark can be improved. Also, since the light storage member 10A is formed in a thin film shape, the light storage member 1
It is also possible to perform printing on the base member 11 of 0A,
By attaching the light storage member 10A (adhesive 14) to a wall, a pillar, a table, a book, a bottle, a container, a bottle, a sign installed outdoors, or the like, it becomes possible to make them visible even in the dark.

Although the pressure-sensitive adhesive 14 has been described as a UV-curable acrylic hot melt pressure-sensitive adhesive, the present invention is not limited to this, and the present invention is effective even when a UV-curable rubber-based pressure-sensitive adhesive is used.

[0032]

As described in detail above, according to the first aspect of the present invention, the luminous substance is formed by mixing the luminous agent and the adhesive at a predetermined ratio and has transparency, so that the luminous substance is the same as ordinary adhesive processing. It is possible to produce a substantially transparent luminous substance having a predetermined adhesive force only by mixing a luminous agent and an adhesive at a predetermined ratio. As a result, by applying the phosphorescent substance to the printed matter as in the case of a normal adhesive, it becomes possible to make the pictures and characters printed on the printed matter stand out by the emission of the luminous substance, and to apply the phosphorescent substance to a transparent thin film. It is also possible to do. Therefore, after applying a transparent luminous material to a transparent film, characters and patterns are printed on the film and the film is attached to the film, so that the luminous agent emits light so that the characters and patterns can be visually recognized. This greatly improves the versatility of the system.

According to the second aspect of the present invention, the phosphorescent agent and the pressure-sensitive adhesive and one or a plurality of color pigments are mixed at a predetermined ratio, and the mixture has transparency. To emit light. As a result, the phosphor can emit light of a predetermined color such as red, blue, or yellow-green. Therefore, if a luminous substance of an arbitrary color is applied to a transparent film and then a character or a pattern is printed and pasted on the film, the character or the pattern can be visually recognized by light emission of the luminous agent of a predetermined color. Therefore, when the lights of the room etc. are turned off, it is possible to create a fantastic sight of the letters and patterns of the sky, so that the convenience of the transparent phosphorescent material can be greatly improved. It becomes something.

According to the third aspect of the present invention, the luminous agent and the pressure-sensitive adhesive are mixed at a predetermined ratio and then applied to a light-transmitting film.
The light storage member can be formed into a film having a predetermined thickness while maintaining a predetermined adhesive force. This makes it possible to produce a transparent light storage member made of a light-transmitting film having a predetermined strength. Therefore, when the light storage member is pasted on a character or a picture pattern, the light storage agent and the adhesive can be permeated and the base of the light storage member can be visually recognized, thereby greatly improving the versatility of the light storage member. Is what you can do.

In particular, since the phosphorescent material having transparency is only applied to the translucent film, the time and effort for drying the paint as in the conventional case can be omitted, and the necessity for drying the phosphorescent member applied in the conventional manner can be saved. Heat energy can be omitted, and a light-storing member having transparency can be manufactured by applying all of the light-storing agent mixed with the adhesive to a light-transmitting film. This makes it possible to reliably prevent the problem that a large amount of the luminous agent is scattered by spraying the luminous agent onto the film in the related art, so that waste of the luminous agent can be reduced. Therefore, the productivity of the light storage member can be improved, and the cost can be significantly reduced.

According to the fourth aspect of the present invention, a phosphorescent agent and a pressure-sensitive adhesive are mixed at a predetermined ratio. Since the peeling member is attached to the object, just peeling off the peeling member, for example, the light storage member can be used as a wall, pillar, table, book,
When affixed to a predetermined place such as a photographic image, a bottle, a container, and a sign installed outdoors, the back side can be visually recognized through the stuck phosphorescent member. Therefore, it is possible to easily emit light at a predetermined portion where the light storage member is stuck, and even in darkness, it becomes possible to see through and see a picture or a character on the back side of the light storage member by the light emission of the light storage agent, and This greatly improves the convenience of the system.

According to the invention of claim 5, according to claim 3,
Alternatively, in addition to the fourth aspect, the phosphorescent agent and the pressure-sensitive adhesive are mixed with one or more colors of dyes, so that the phosphorescent member can emit light of any color. Thus, the light storage member can emit light of a predetermined color such as red, blue, and yellow-green. Therefore, for example, if a phosphorescent member is attached to a book, a photograph, a bottle, a container, a sign installed outdoors, or the like, the portion can be made to emit light in an arbitrary color. This makes it possible to visually recognize a pattern or a character such as a sign or a sign placed outdoors in an arbitrary color, thereby greatly improving the convenience of the light storage member.

In particular, since a predetermined color pigment is mixed with the luminous material obtained by mixing the luminous agent and the adhesive, a fantastic sight can be produced when the light of a room or the like is turned off. Therefore, the practical effect of the light storage member can be greatly increased.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of a light storage member of the present invention.

FIG. 2 is an enlarged vertical sectional side view of a phosphorescent material constituting the phosphorescent member of the present invention.

FIG. 3 is a diagram when a photographic image to which a phosphorescent member is attached is viewed in the dark.

FIG. 4 is a diagram when a photographic image to which no light storage member is attached is viewed in the dark.

FIG. 5 is an enlarged vertical sectional side view of a phosphorescent substance mixed with a dye.

[Explanation of symbols]

 Reference Signs List 10 phosphorescent member 11 base member 12 phosphorescent substance 13 phosphorescent agent 14 adhesive 15 dye 16 peeling member 17 photograph

Claims (5)

[Claims] 1. A phosphorescent material comprising a mixture of a phosphorescent agent and an adhesive at a predetermined ratio, and having transparency. 2. A phosphorescent material comprising a mixture of a phosphorescent agent, a pressure-sensitive adhesive and one or a plurality of colorants at a predetermined ratio, and having transparency. 3. A light-storing member comprising a mixture of a light-storing agent and a pressure-sensitive adhesive at a predetermined ratio, and then applying the mixture to a light-transmitting film to have transparency. 4. After a phosphorescent substance and a pressure-sensitive adhesive are mixed at a predetermined ratio and a transparent phosphorescent substance is applied to a translucent film, a peeling member is attached to the phosphorescent substance. A light storing member characterized by the above-mentioned. 5. The light-storing member according to claim 3, wherein the light-storing agent and the pressure-sensitive adhesive are mixed with one or more color dyes.