JPH0958199A - Luminescent sand picture decoration - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable decorative effects to be extracted to the maximum allowable extent by drawing a sand picture with a sandy material obtained by kneading a mixture of a coated particle consisting of a sandy particle falling within a specific range of grain size, the base material whose surface is coated with a light-storing pigment, and a non-coated natural orushed stone particle, with a transparent resin. SOLUTION: A coated particle prepared on one hand is composed of a sandy particle such as a natural crushed stone particle, a thermally foamed particle or an artificial fine particle falling within a specific range of grain size of 50μ-10mm, the base material whose surface is coated with a fluorescent mineral powder, a fluorescent pigment or a light-storing pigment which emit light with a black light. On the other hand, a non-coated natural orushed stone particle and a thermally foamed particle are prepared and a mixture of the coated particle and these prepared particles are mixed and the mixture is kneaded with a transparent resin to obtain a sandy material. Further, a sand picture with colored luminescent parts 2, 3, 4, 6 and a lingering light part 5 is drawn on a plastic board surface 1 with the sandy material. Finally, after applying a top coat 8 to the surface 1, the luminescent sand picture decoration is obtained by emitting the black light to the upper surface of the top coat 8 and the rear surface of the transparent plastic board.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a luminous sand picture ornament which can be formed indoors and outdoors and has a high decorative effect.

[0002]

2. Description of the Related Art As a method of using a fluorescent mineral powder that emits light by irradiation of black light or a fluorescent pigment and a phosphorescent pigment to achieve its excellent effect, a method of mixing with a water-based ink for printing or a coating Method of mixing and using, luminous fiber kneaded in spinning solution and spun, method of kneading with paraffin wax, method of mixing with adhesive sheet, method of using in ceramic products, mixing with plastic resin There are known methods such as a method of using the same, a method of mixing with a paint, and the like.

The conventional technique of using fluorescent mineral powder or fluorescent pigment that emits light when irradiated with black light and a phosphorescent pigment having a long afterglow time is to mix light into an object or the like on which the base material is used by mixing it with light. They are expecting the effects obtained by irradiation.

Some fluorescent mineral powders or fluorescent pigments emit light of the three primary colors of light, namely red, green and blue.
Just as any color can be formed based on the three primary colors of paint, red, yellow and blue, fluorescent mineral powder or fluorescent pigment can emit any color by its mixing technology. Colored products are commercially available.

When creating a sand picture, simply using each of the commercially available colors does not bring about its taste, taste, fun and decorative effect. Red, green, and blue fluorescent mineral powders or fluorescent pigments, which are the three primary colors of light, and fluorescent pigments and phosphorescent pigments with a long afterglow time, etc. are coated on the surface of sandy particles, respectively, and natural crushed stone particles and unheated foam particles. It was found that by creating a sand painting using a mixture of and a mixture of large particles and small particles, an attractive work can be obtained.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and its purpose is to maximize the decorative effect of sand painting by using fluorescent mineral powder, fluorescent pigment, phosphorescent pigment, etc. as a material. It is to provide a luminous sand picture ornament that can be brought out to the limit.

[0007]

[Means for Solving the Problems] As a result of intensive research aimed at solving such problems, as a base material, sandy particles such as natural crushed stone particles, heat-foamable particles, and artificial fine particles in the range of 50 μm to 10 mm are used as a base material. Sand coated with a transparent resin by kneading with a transparent resin a mixture of coated particles coated with fluorescent mineral powder that emits light with black light, fluorescent pigments, phosphorescent pigments with a long afterglow time, etc. It is a luminous sand picture decoration characterized by producing a sand picture with a textured material.

[0008]

The natural stone of the natural crushed stone particles used in the present invention is not particularly limited, but those obtained by crushing granite, andesite, sandstone, slate, etc. can be preferably used.

As the heat-foamable particles, volcanic debris, burned vermiculite, perlite, fly ash, coal shell, shirasu balloon, glass balloon, silica balloon, ceramic balloon and the like can be preferably used.

The artificial fine particles are classified into organic type and inorganic type. As the organic type, plastic balloons, plastic foam beads, plastic crushed particles and the like can be used. As the inorganic material, ground ceramics, crushed concrete, etc. can be used.

The base material of sandy particles such as natural crushed stone particles, heat-expanded particles and artificial fine particles may be used alone,
You may use these, combining them suitably. Particle size is 5
The range is 0 μm to 10 mm, 50 to 350 μm is fine, 350 μm to 1 mm is fine, 1 to 5 mm is medium,
5 to 10 mm is divided as coarse and these are used after adjusting the particle size.

Fluorescent mineral powder is obtained by finely pulverizing natural stone that emits light when irradiated with black light. For example, beryl, spinel, calcite that emits red light, hydroarsenic ore, zinc silicate ore and chalcedony that emit green light. , Fluorite, danburi stone, scheelite, etc. that emit blue light can be used. In addition to this, amblygonite that emits white light, chalcedony, scheelite,
Corundum that emits orange light, sodalite, lithiacite, apatite that emits yellow, fosgenite, scapolite, uracilsite that emits yellow-green, fluorite that emits purple, and scapolite can be used. Fluorescent mineral powder having a particle size of 3 to 15 μm is used, and one kind or a mixture of two or more kinds is used.

Fluorescent pigments are chemical compounds that emit light when irradiated with black light and include organic compounds and inorganic compounds. Organic compounds include para-aminobenzoic acid, para-methylbenzoic acid, rhodamine B, rhodamine 6GCP and rhodamine F3B. , Azosol Brilliant Yellow 6GF, Maxilon Brilliant Yellow 10GFF, Lumogen L
Yellow, Mike Hower BX, Whitetex SLA, etc. can be used. Inorganic type is Y ₂ O ₃ : Eu, 0.5M
gFeGeO ₂ : Mn, ZuS: Cu, Zn ₂ Si
_{O 4: Mn, La 2 O} 2 S: Tb, Y 2 SiO 5: C
e, Ca ₂ B ₅ O ₉ Cl: Eu ² or the like can be used.
As the fluorescent pigment, powder having a particle size of 3 to 15 μm is used, and one kind or a mixture of two or more kinds is used.

The phosphorescent pigment, which is so-called phosphorescent material, emits a considerable amount of light even after being stimulated by irradiation with a black light or a white light source, and is so-called phosphorescent. For example, zinc sulfide type, zinc sulfide / copper type and the like can be used. The phosphorescent pigment used is a powder of 3 to 15 μm.

The method of coating the base of sandy particles such as natural crushed stone particles, heat-expanded particles, and artificial fine particles with fluorescent mineral powder, fluorescent pigment, phosphorescent pigment, etc. is based on the sandy particles whose particle size has been adjusted to a predetermined level. Material and fluorescent mineral powder, fluorescent pigment, or phosphorescent pigment are put in a tumbling mill and a small amount of water and water-based binder, other dispersants, stabilizers and other admixtures are added, and the mixture is kneaded and stirred for 10 to 40 minutes. As a result, the substrate surface of the sandy particles can be completely coated.

The coated particles whose surface is completely coated are kneaded with a transparent resin and sufficiently kneaded, and the surface is covered to coat each particle with a fluorescent mineral powder, a fluorescent pigment,
The phosphorescent pigment and the like can be protected. This transparent resin is acrylic resin emulsion, vinyl acetate resin emulsion, vinyl chloride emulsion, vinylidene chloride resin emulsion, styrene-butadiene resin emulsion, epoxy resin emulsion and acrylic ester, ethylene, vinyl ester, vinyl acetate. And the like.

Examples of copolymerized products include acrylic / vinyl acetate copolymers, vinylidene chloride / butyl acrylate copolymers, ethylene / vinyl acetate copolymers and the like. The synthetic resin composition is used in an amount of 20 to 150 parts by weight based on 100 parts by weight of the coated particles.
If it is less than 20 parts by weight, the amount of resin is small and it cannot be a sandy material, so that a perfect sand picture cannot be produced.

Luminescent sand picture decoration using both the coated coated particles with a transparent resin kneaded on the surface and the mixture of uncoated natural crushed stone particles and heat-expanded particles. Produce things. In this case, a mixture of uncoated natural crushed stone particles which are sandy particles and heat-expanded particles may be used as it is, but it is more preferable to use a transparent resin kneaded to cover the surface and use it as a sandy material. Is. The ratio of coated coated particles and uncoated sandy particles is not particularly limited, but in order to maximize the taste as a luminous sand picture decoration, coated sandy particles are slightly more than uncoated sandy particles. It is desirable to increase the amount.

A sandy material in which a transparent resin is sprinkled on a mixture of coated coated particles and uncoated sandy particles is used to produce a luminous sand picture decoration by using an adhesive. By applying a top coat with a transparent coating material of a synthetic resin emulsion made of the same material as the transparent resin used for the surface of the luminous sand picture ornament, the weather resistance and durability can be sufficiently maintained even when used outdoors.

In order to improve the properties of the transparent resin covering the surface by kneading the coated particles and the uncoated sand-like particles, various surfactants and emulsions are stabilized as dispersants. An emulsifying agent, an anti-foaming agent for the emulsion, a thickening agent, an anti-sagging agent, an anti-settling agent, an anti-freezing agent and the like may be added.

For the purpose of further improving the performance, a plasticizer,
A stabilizer for preventing deterioration due to heat and light, an antifungal agent for preventing the generation of mold and the like may be added.

[0022]

EXAMPLES Examples of the present invention will be described in detail below.

Example 1 Granite 50 having a grain size distribution of 350 μm to 1 mm in the range of 350 μm to 10 mm
20 parts by weight, 5-10 mm
Was crushed to 10 parts by weight. 50-35
Fine particles of 0 μm are high-strength silica particles that are heat-expanded particles.
Alumina balloon was used and made 20 parts by weight.

100 parts by weight of sand-like particles of the mixture of the above-mentioned natural crushed stone particles and heat-expanded particles were crushed with fluorite which emits blue light of 3 to 15 μm, 50 parts by weight of powder, 50 parts by weight of water, aqueous binder 8 parts by weight, other additives 1.5
By adding parts by weight, the mixture was kneaded and stirred for 25 minutes in a rolling mill, and the surface of the sandy particles was uniformly coated with fluorite powder to a thickness of 2 μm to prepare coated particles A. Polyvinyl alcohol was used as the aqueous binder.

Inorganic fluorescent pigment Zn ₂ SiO ₄ : Mn 5 which emits green light of 3 to 15 μm per 100 parts by weight of sandy particles.
Coated particles B were produced in the same manner as above except that 0 parts by weight and the like were used.

Coated particles C were prepared in the same manner as described above, except that 100 parts by weight of the sand-like particles, 50 parts by weight of the inorganic fluorescent pigment Y ₂ O ₃ : Eu which emits red light of _{3 to} 15 μm.

Coated particles D were prepared in the same manner as above except that 50 parts by weight of zinc sulfide type phosphorescent pigment having a particle size of 3 to 15 μm was added to 100 parts by weight of sandy particles.

55 parts by weight of a mixture of coated particles A, B, C and D in equal amounts were mixed with 45 parts by weight of uncoated sand-like particles to make 100 parts by weight as a whole, and synthetic rubber was added thereto. A transparent resin comprising a modified acrylic copolymer emulsion was added in an amount of 60 parts by weight, and the mixture was kneaded in a rolling mill for 20 minutes and sufficiently kneaded to prepare a sandy material for a luminous sand picture decoration.

A luminescent sand picture decoration is produced on a transparent plastic plate surface by using the sand-like material of the luminescent sand picture decoration, and the surface is top-coated with a transparent coating material made of a synthetic rubber-modified acrylic copolymer emulsion. Black light was radiated from the upper surface and the back surface of the transparent plastic plate to produce an excellent luminescent sand painting decoration.

Example 2 Coated particles A, B, C, D and uncoated sandy particles of ground granite particles and silica-alumina balloon mixtures were each separately added to 100 parts.
60 parts by weight of transparent resin consisting of synthetic rubber-modified acrylic copolymer emulsion is added to parts by weight, and the mixture is kneaded in a rolling mill for 20 minutes to cover the surface with transparent resin to form a sand-like material for a luminous sand picture decoration. Figure 1 shows that the luminous sand picture decorations were produced on the surface of a transparent plastic plate by effectively using the above materials and a top coat was applied.

Example 3 The particle size was adjusted in the same manner as in Example 1, sand-like particles being artificial fine particles of plastic balloons,
200 parts by weight of crushed powder of fluorite which emits blue light of 3 to 15 μm, and 100 parts by weight of water with respect to 100 parts by weight of sand-like particles using plastic foam beads and crushed plastic particles.
Parts by weight, 3.2 parts by weight of an aqueous binder, and 2.8 parts by weight of other additives, and kneading and stirring for 13 minutes in a rolling mill,
The surface of the sand-like particles was coated with fluorite powder to an average thickness of 2 μm to prepare coated particles E. Polyvinyl alcohol was used as the aqueous binder.

Inorganic fluorescent pigment ZnSiO ₄ : Mn 20 which emits green light of 3 to 15 μm per 100 parts by weight of sandy particles.
Coated particles F were produced in the same manner as described above, except for 0 parts by weight.

Coated particles G were prepared in the same manner as described above, except that 100 parts by weight of the sandy particles, 200 parts by weight of the inorganic fluorescent pigment Y ₂ O ₃ : Eu, which emits red light of _{3 to} 15 μm, were used.

Coated particles H were prepared in the same manner as above except that 100 parts by weight of sand-like particles were used and 200 parts by weight of zinc sulfide type phosphorescent pigment having a particle size of 3 to 15 μm.

A sandy material for a sandy luminous sand picture decoration in which the coated particles E, F, G and H are separately kneaded with a synthetic rubber-modified acrylic copolymer emulsion which is a transparent resin and the surface is covered with a transparent resin. It was made. Coated particles E, F, G, H 1 each
To 100 parts by weight of transparent resin, 120 parts by weight of transparent resin was added and kneaded for 20 minutes in a rolling mill.

The surface of the coated particles E, F, G, and H was covered with a transparent resin by using a sandy material in which the surface was covered with a transparent resin, the uncoated granite ground material used in Example 2 and a silica-alumina balloon. Luminous sand picture decorations were made on the surface of transparent glass using the covered sandy material. It was confirmed that a black light was radiated from the front surface and the back surface, and that it was an excellent decorative article due to the color different from the beautiful daylight color and the afterglow after the irradiation.

[0037]

As described above, the luminous sand picture decoration according to the present invention uses sand-like particles of various materials and particle diameters, the surface of which is coated with fluorescent mineral powder, fluorescent pigment, phosphorescent pigment, and the like. By creating a sand picture with a sand-like material that was kneaded with a transparent resin and covered the surface, a unique taste, taste, and fun that could not be obtained with conventional sand pictures were obtained.

A mixture of large particles and small particles, which were not found in the conventional sand painting, is mixed and the surface is covered with a resin, and sand-like particles, blue shining coated particles, green shining coated particles, red shining coated particles, and residual particles. By mixing phosphorescent coated particles with a long light time, etc., a unique and unexpected image can be expressed.
By coating these layers repeatedly, various colors can be emitted to further enhance the decorative effect.

By arranging the uncoated sand-like particles and the coated covering particles effectively and irradiating the completed luminous sand picture decoration with black light, a unique characteristic could be produced.

[Brief description of drawings]

FIG. 1 Luminescent sand picture ornament of Example 2

[Explanation of symbols]

 1. Transparent plastic plate 2. Blue light emitting part 3. Green light emitting part 4. Red light emitting part 5. Afterglow part 6.3 Primary color mixed light emitting part 7. Sandy particle portion 8. Top coat

Claims (1)

[Claims] 1. A fluorescent mineral powder, a fluorescent pigment, or a phosphorescent pigment whose surface is made of sandy particles such as natural crushed stone particles, heat-expanded particles, and artificial fine particles in the range of 50 μm to 10 mm and which emits light by black light. A luminous sand picture ornament characterized by producing a sand picture with a sand-like material whose surface is covered by kneading a mixture of coated particles with or without coating with natural crushed stone particles and heat-expanded particles, and covering the surface.