JP4874056B2 - Method for producing metal foil decorative material and method for producing metal foil decorative material - Google Patents

Description

  The present invention relates to an edible decorative material used by sprinkling on fresh confectionery or chocolate.

  Foods that place an emphasis on vision, such as decoration cakes, are decorated with gold or silver dust so as to give a luxurious impression.

This gold powder or silver powder is used by cutting around a gold foil or silver foil pulverized by a pulverizer, but the gold powder or silver powder is very light and difficult to apply evenly. Then, a metal foil-coated pullulan grain (hereinafter referred to as “metal foil-coated pullulan grain”) that is made into a granular form by applying a gold foil or the like to a film-like pullulan and then pulverizing with a pulverizer is used.
The conventional metal foil-coated pullulan grains used by this applicant company are:
(1) Shellac (trade name “Drug A-25” manufactured by Gifu Shellac Manufacturing Co., Ltd.) is applied to a pullulan sheet (trade name “Pullulan plain film 40 μm” manufactured by Hayashibara Corporation) and dried.
(2) The pullulan sheet is warmed to about 75 ° C. and a gold foil is pasted on the surface to which shellac is applied.
(3) The pullulan sheet to which the gold foil is attached is pulverized by a pulverizer into a granular shape.
It is manufactured through the process.
The pullulan sheet is a natural polysaccharide maltotriose obtained by culturing Aureobasidium pullulans, which is a kind of black yeast, using starch as a raw material (triangle of glucose is α-1,4 bond), α- Pullulan, a tasteless and odorless white powder with 1,6 bonds, is dissolved in water and hardened into a sheet.

  Shellac (“Shellac”: JIS K 59) is a resinous substance that natural rack scale insects parasitize leguminous and mulberry family trees, sucking sap, and secreting them outside the body. Natural polyester is a product obtained by crushing a lump of rackworm scales into a resin layer, sieving it, washing it with water, removing insect shells, woody materials, water-soluble pigments, etc., and purifying it. It is shellac which is resin. It is the only thermosetting resin as a natural resin. It melts slowly in alcohol at room temperature, but melts easily into heat, but once cured, it is not affected by heat or solvent. . Shellac has tough oil resistance, electrical non-conductivity, and excellent abrasion resistance, and the thin shellac coating applied with varnish has excellent gloss, wear resistance, adhesion and durability. A smooth surface.

On the other hand, as an edible laminate in which a gold foil or a silver foil is formed, for example, there is one disclosed in Japanese Patent Application Laid-Open No. 2000-41591. The purpose of this product is to “attach an edible decorative layer and its decorative layer to the food for the purpose of“ providing an edible laminate that can adhere well to lipid-containing foods and decorate the food ”. An edible adhering layer for laminating, the adhering layer comprising a first layer capable of penetrating a higher fatty acid or (and) an oil and fat material, and the decorative layer than the first layer. The above-mentioned object is achieved by having a configuration having at least a second layer containing a higher fatty acid or (and) an oil or fat material on the side.
JP 2000-41591 A

  However, in the case of the metal foil-coated pullulan grains described above, it is difficult to apply the gold foil directly to the pullulan sheet in the step (2) of attaching the gold foil to the pullulan sheet. Attached red foil is used. In other words, after cutting the peripheral edge consisting only of the reddish paper of the reddish foil, the gold foil surface of the reddish foil is stretched without gaps toward the pullulan sheet, and then only the reddish paper is peeled off. Is required.

  In addition, in the thing disclosed in Japanese Patent Application Laid-Open No. 2000-41591, as described above, the adhesiveness to the “lipid-containing food” is taken into consideration, so that a higher fatty acid or (and) an oil and fat material can penetrate as an adhesion layer. The first layer and the second layer containing a higher fatty acid or (and) an oil or fat material on the decorative layer side of the first layer are at least essential.

  The present invention can be sprinkled and bonded to various materials without the need for a higher fatty acid or fat material-permeable layer or a higher fatty acid or fat material-containing layer. It is an object to provide a decorative material that can be manufactured in a process that does not involve any process.

In order to solve the above-mentioned problem, a method for producing a metal foil piece decorative material according to claim 1 of the present invention is a thickening polysaccharide in which a predetermined amount of gum arabic, xanthan gum and / or gellan gum is dissolved in a predetermined amount of water. First or second step of dissolution, and one or two of the above-mentioned dissolved gum arabic aqueous solution, chitansan gum aqueous solution and / or gellan gum aqueous solution on the surface of a metal foil made of gold foil or silver foil placed on a release film placed on a smooth flat plate A second step of coating the thickened polysaccharide aqueous solution to coat the seed, a third step of drying the coated metal foil in a predetermined environment, and peeling the dried metal foil from the release film, followed by pulverization And a fourth step of pulverizing with a machine.
Moreover, the manufacturing method of the metal foil decoration material which concerns on this-application Claim 2 is the 1st process of the thickening polysaccharide melt | dissolution which melt | dissolves a predetermined amount of gum arabic, a xanthan gum, and / or gellan gum in a predetermined amount of water. And a thickening agent that coats one or two of the dissolved aqueous gum arabic solution, aqueous solution of chitansan gum and / or aqueous gellan gum solution on the surface of a metal foil composed of a gold foil or silver foil placed on a release film placed on a smooth flat plate A second step of coating an aqueous polysaccharide solution; a third step of drying the coated metal foil in a predetermined environment; and a dried gum arabic-coated metal foil, a kitansan gum-coated metal foil and / or a gellan gum-coated metal foil. It is manufactured through a fourth step of peeling the metal foil from the release film after punching or cutting with a predetermined mold.

  In the second step of manufacturing the metal foil piece decorative material according to the present invention, a predetermined amount of the aqueous gum arabic solution manufactured in the first step is applied to and coated on the metal foil on the release film placed on a smooth flat plate. Therefore, there is no need for a red foil used in the production of conventional metal foil-coated pullulan grains. Moreover, it does not require much skill to apply and coat the gum arabic aqueous solution directly on the metal foil placed on the flat plate. Further, a first step of producing an aqueous gum arabic solution other than the second step, a third step of drying the coated / coated metal foil, and a fourth step of pulverizing the metal foil piece decoration material with a pulverizer Since the process does not require special skills and can be carried out with a very simple apparatus, the cost of the product is only the material cost and can be manufactured economically.

  In addition, the metal foil piece decoration material produced in the first to third steps has a sheet-shaped gum arabic surface coated with a metal foil, and a dried sheet-shaped gum arabic (thickness of about 20 μm). Since it is almost colorless and transparent, it looks golden even from the back side. Therefore, the appearance of the granular metal foil piece decoration material (hereinafter referred to as “metal foil piece decoration material grain”) pulverized in the fourth step has a metal granular shape, and the metal foil is a gold foil or a silver foil. In some cases, each aggregate will give the viewer a feeling like gold dust or silver.

An example of a metal foil piece decoration material according to the best mode for carrying out the present invention will be described with reference to FIGS. 1 and 2.
FIG. 1 is a process diagram showing how to make a metal foil piece decoration material according to Example 1, and FIG. 2 is a schematic cross-sectional view of the metal foil piece decoration material according to Example 1. Moreover, in FIG. 2, the code | symbol 1 is a metal foil piece decoration material, the code | symbol 2 is a gold foil, and the code | symbol 3 is gum arabic.
Gum arabic is a dried product from bark wounds such as gum arabic (Acacia senegal Willdenow), and the dried product has irregular grain and lump shape and is highly soluble in water. Since aqueous solutions exhibit strong viscosity and good emulsification stability, they are widely used in beverages and foods as emulsifiers and stabilizers among food additives. Familiar items such as ice cream and gum syrup are typical uses and are highly safe as food.

Example 1
First, how to make the metal foil piece decoration material according to the embodiment will be described mainly based on FIG.
(1) Material Prepare the following ratio of each material for 1 kg of gum arabic.
A. Granular gum arabic (manufactured by Sanei Pharmaceutical Trading Co., Ltd.)-1Kg
I. Gold leaf copper removal No. 3 or gold leaf No. 4-1,200 sheets c. Water-3000cc
D. Mount 37cm x 25cm -200 sheets e. Release film 35cm x 24cm (Nitto Paper Industries Co., Ltd.)-200 sheets 9mm width masking tape

(2) Manufacturing process It should be noted that the working environment during the manufacturing is always performed at a temperature of 18 ° C to 28 ° C and a humidity of 40% to 70%.
(I) Gum arabic aqueous solution manufacturing step (first step: indicated by [S1, S2] in FIG. 1)
The first step is composed of the following two steps.
A. 3,000 cc of water is put in a container and boiled, and 1 kg of gum arabic is added while stirring little by little. When gum arabic is hard, it is difficult to melt, so mix with a spatula. After adding gum arabic, heat on medium heat for 15 minutes with stirring. At this time, gum arabic is easily burnt, so it should not be left under heat ([S1] in FIG. 1).
I. When all the gum arabic has melted, turn off the fire, cool in running water for 60 minutes, and transfer to a storage container. Keep the lid in a cool and dark place during storage. In addition, in order to prevent the deterioration of quality, it is used within two days including the creation date ([S2] in FIG. 1).

(Ii) Gum arabic application / coating step (second step: indicated by [S3] in FIG. 1)
The second step is composed of the following three steps.
A. A mount is placed on a smooth table, a release film is placed so as to be approximately in the center of the mount, and both ends of the release film are fixed with a masking tape. The release film is excellent in releasability because silicon is applied to the surface of the PET sheet.
I. Six gold foils are placed side by side on one release sheet so that the gold foil does not wrinkle. At this time, if the gold leaf overlaps with the gold leaf, it may cause a deterioration in quality such as a decrease in coloring, and if the gap between the gold leaf and the gold leaf is large, the transparent part of the gum arabic alone increases, so there is no gap as much as possible. Like that.
C. Take 10 cc of gum arabic solution with a measuring spoon and pour it over gold leaf. Then spread it evenly with a coating spatula. If you press the spatula strongly, the foil will be damaged.

(Iii) Drying step (third step: indicated by [S4] in FIG. 1)
The third step includes the following two steps.
A. The gum arabic-coated gold foil after the second step is sequentially placed on a drying table. The drying table consists of 25 stages, and 8 sheets can be placed on each stage, so 200 sheets can be placed on 25 stages. However, a cover is attached to prevent dust from adhering, so the top stage should be left open. To.
I. A special cover for preventing the adhesion of dust is put on and dried in a dryer at a temperature of 50 ° C. to 60 ° C. for 2 hours, preferably at a temperature of 18 ° C. to 28 ° C. and a humidity of 40% to 70% for 48 hours.
(Iv) Grinding step (fourth step: indicated by [S5] in FIG. 1)
The fourth step includes the following three steps.
A. When the gum arabic is completely dried in the third step, the gum arabic-coated gold foil is warped, and the edges are peeled off naturally. Then, the gum arabic-coated gold foil is scraped off from the mount with a peeling spatula.
I. The scraped-off gum arabic-coated gold foil is put into a pulverizer (manufactured by Mutual Sangyo Co., Ltd.) and crushed, and then sieved with a net having a diameter of 0.3 mm to 1.0 mm to produce a metal foil piece decoration material.
C. The gum arabic-coated gold foil after grinding is filtered through 20 mesh to 80 mesh. A metal foil piece decoration material that has passed 20 mesh to 80 mesh is used as a product.
D. The metal foil piece decoration material remaining on the sieve at 20 mesh to 80 mesh is again applied to the grinder. And after filtering with 20 mesh-80 mesh, the metal foil piece decoration material which remained on the sieve is made into a reproduction process as a nonconforming product.
As described above, the metal foil piece decoration material is manufactured through the first step to the fourth step.

In order to obtain a product, a further pulverization step (post-step: indicated by [S5, S6] in FIG. 1) is required.
In this post-process, the acceptable product that passed 20 mesh to 80 mesh is weighed, put in a glassine bag, put in a PP bag with a zipper together with a desiccant, and the details (product name, production date of gum arabic liquid, number of inclusions g) Complete and store.
Through the above steps, the metal foil piece decoration material becomes a product.
In this embodiment, a gold foil is used, but it goes without saying that another metal foil such as a silver foil can be used instead of the gold foil.

The metal foil piece decoration material thus manufactured has a shape or structure as shown in FIG.
The figure is a schematic view schematically showing a cross section of the metal foil piece decorative material according to the first embodiment. The metal foil piece decoration material 1 is composed of two layers of a gold foil 2 as a decoration layer and a dried gum arabic 3 as a support layer. The size of the normal type metal foil piece decoration material 1 itself is approximately 1 mm in diameter, the thickness of the gold foil 2 is approximately 0.1 μm, and the thickness of the gum arabic 3 is approximately 0.02 mm. .

(Example 2)
In Example 1 above, the gum arabic-coated gold foil scraped off in the fourth step is put into a pulverizer (manufactured by Mutual Sangyo Co., Ltd.) and then crushed, and then sieved with a net having a diameter of 0.3 mm (fourth). Step (I)), and then the crushed gum arabic-coated gold foil was filtered through 80 mesh (fourth step (c)), but in addition, it was sieved with a 1.5 mm diameter net (fourth step) (E2)) After that, the crushed gum arabic-coated gold foil is filtered through a 20 mesh (fourth step (Woo 2)) to obtain a coarse metal foil piece decoration material.

  FIG. 3 (a) is a photograph (photographer: patent attorney Hitoshi Otaki, photo date: August 3, 2006) of a rough type metal foil piece decoration material set (overall view) of Example 2; FIG. 3B is an enlarged view schematically showing the enlarged photograph, and is an enlarged photograph (50 times) of the metal foil piece decoration material submitted separately. This enlarged photograph was taken on July 25, 2006 at the Ishikawa Prefectural Industrial Experiment Station (Kanazawa-shi 2-chome, 1-chome: 1) In FIG. 3B, the hatched portion (reference numeral 12) is the gum arabic portion, the hatched portion (reference numeral 20) is the gold foil coated on the surface, and the portion indicated by the white background (reference numeral 30) Is the part showing the background.

  As is clear from FIG. 3 (a), the metal foil piece decoration material to be gathered is also coated with a gold foil on its surface, and there is no unevenness in the aggregate, and as is clear from FIG. 3 (b), a single piece of metal Even if it is the foil piece decoration material 12, it will be noted that the surface of the gum arabic 12 is covered with the gold foil 20 firmly.

(Example 3)
Moreover, in Example 1 above, the gum arabic-coated gold foil scraped off in the fourth step is put into a pulverizer (manufactured by Mutual Sangyo Co., Ltd.) and pulverized, and then sieved with a net having a diameter of 1 mm (fourth). Step (I)), and then the crushed gum arabic-coated gold foil was filtered with 80 mesh (4th step (C)), but in addition, it was sieved with a 1 mm diameter hole net (4th step (E 3)) After that, the crushed gum arabic-coated gold foil is filtered through 30 mesh (fourth step (Woo 3)) to obtain a fine-type metal foil piece decoration material.

  4 (a) is a photograph (photographer: patent attorney Hitoshi Otaki, photo date: August 3, 2006) of a thin type metal foil piece decoration material set (overall view) of Example 3; FIG. 4B is an enlarged view schematically showing the enlarged photograph, and is an enlarged photograph (50 times) of the metal foil piece decoration material submitted separately. This enlarged photograph was taken on July 25, 2006 at the Ishikawa Prefectural Industrial Experiment Station (Kanazawa-shi 2-chome, 1-chome: 1) In FIG. 4B, the hatched portion (reference numeral 12) is the gum arabic portion, the hatched portion (reference numeral 20) is the gold foil coated on the surface, and the portion indicated by the white background (reference numeral 30) Is the part showing the background.

  As is clear from FIG. 4 (a), the metal foil piece decoration material to be gathered is also coated with a gold foil on its surface, and there is no unevenness in the aggregate, and as is clear from FIG. 4 (b), a single piece of metal Even if it is the foil piece decoration material 12, the mode that the gold foil 20 is coat | covered on the surface of the gum arabic 12 is said.

Example 4
Moreover, in Example 1 above, the gum arabic-coated gold foil scraped off in the fourth step is put into a pulverizer (manufactured by Mutual Sangyo Co., Ltd.) and pulverized, and then sieved with a net having a diameter of 1 mm (fourth). Step (I)), and then the crushed gum arabic-coated gold foil was filtered through 80 mesh (fourth step (c)), but in addition, it was sieved with a mesh having a diameter of 0.85 mm (fourth step) (E4)) Thereafter, the crushed gum arabic-coated gold foil is filtered through 40 mesh (fourth step (Woo 4)) to obtain an ultrafine type metal foil piece decoration material.

(Example 5)
Moreover, in Example 1 above, the gum arabic-coated gold foil scraped off in the fourth step is put into a pulverizer (manufactured by Mutual Sangyo Co., Ltd.) and pulverized, and then sieved with a net having a diameter of 1 mm (fourth). Step (I)), and then the crushed gum arabic-coated gold foil was filtered through 80 mesh (fourth step (c)), but in addition, it was sieved with a net having a diameter of 0.5 mm (fourth step) (E5)) After that, the crushed gum arabic-coated gold foil is filtered with 100 mesh (fourth step (Woo 5)) to obtain a very fine type metal foil piece decoration material.

  Fig.5 (a) is a photograph (photographer: patent attorney Hitoshi Otaki, photographing date: August 3, 2006) of the ultra-thin type metal foil piece decoration material set (overall view) of the fifth embodiment. FIG. 5B is an enlarged view schematically showing the enlarged photograph, and is an enlarged photograph (50 times) of the metal foil piece decoration material submitted separately. This enlarged photograph was taken on July 25, 2006 at the Ishikawa Prefectural Industrial Experiment Station (Kanazawa-shi 2-chome, 1-chome: 1) In FIG.5 (b), the part shown by hatching (code | symbol 12) is a gum arabic part, the part shown by hatching (code | symbol 20) is the gold foil by which the surface was coat | covered, and also the part shown by white background (code | symbol 30) Is the part showing the background.

  As is clear from FIG. 5 (a), the metal foil piece decoration material to be gathered is also coated with a gold foil on its surface, and there is no unevenness in the aggregate, and as is clear from FIG. 5 (b), a single piece of metal Even if it is the foil piece decoration material 12, the mode that the gold foil 20 is coat | covered on the surface of the gum arabic 12 is said.

  Various sizes (types) of metal foil piece decoration material can be manufactured depending on the size of the mesh of the pulverization and sieving, and the above three types are shown in photographs. FIG. 6 shows from the left the coarse type metal foil piece decoration material according to Example 2 above, the fine type metal foil piece decoration material according to Example 3, and the ultrathin type metal foil piece decoration material according to Example 5. is there. As can be seen from FIG. 6, the size of each decorative material can be known.

  The metal foil piece decoration material 1 has a smooth feel like dry sand or powder, and unlike gold powder, even if handled with a finger, it does not stick to the finger and is easy to handle. In addition, as described above, the dried sheet-like gum arabic exhibits a semi-transparent light yellow color and looks golden from the back side. For example, even if it is sprinkled on a cake as a decoration material, the sprinkled metal Regardless of whether the foil piece decoration material 1 is facing the front surface or the back surface, it gives the viewer the feeling of sprinkling gold dust.

(Example 6)
In the fourth step, the dried metal foil was pulverized with a pulverizer to obtain a metal foil piece decoration material. Instead of the fourth pulverization step, the dried metal foil (the gum arabic layer on the back surface) was used. For example, it is possible to easily produce metal foil decoration material in the form of decorative letters and figures (stars, snowflakes, petals, etc.) made of gold and silver, etc. Can be manufactured.
This has the effect that the name can be put into a confectionery making set, or it can be made into a star-shaped decoration material such as a golden or silver star or a Santa Claus reindeer, and the width of food decoration is expanded.
(Modified Example 1)

  In Examples 1 to 6 described above, the gum arabic aqueous solution was applied and coated on a metal foil such as a gold foil, but this is not limited to the “gum arabic aqueous solution”. The present inventors replaced (A) gum arabic solution in which 10% xanthan gum 10% solution was added to 100 ml of gum arabic solution (hereinafter referred to as “xanthan gum addition”). "A gum arabic aqueous solution"), (B) 10% gellan gum 10% solution added to 100 ml of gum arabic solution (hereinafter referred to as "gellan gum-added gum arabic aqueous solution"), (C) xanthan gum per 100 ml of gum arabic solution “Additional gum arabic aqueous solution” of 10% solution 5 cc and gellan gum 10% solution 5 cc added (hereinafter referred to as “xanthan gum-gellan gum added arabic gum aqueous solution”) was coated and coated on metal foil. After the coating / coating is dry, grinding It was.

Here, “xanthan gum” is a polysaccharide produced from a microorganism (Xanthomonas campestris), which is composed of sugars of mannose, glucose and glucuron, the main chain is composed of glucose with β-1,4 bonds, and the side chain is the main chain. A substance in which two mannose molecules and glucuronic acid are bound to every other glucose residue in the chain, and is mainly known as a thickening polysaccharide for the purpose of imparting viscosity to various foods. What is known as a highly stable thickening polysaccharide because it has viscosity and is not easily affected by acid, salt, etc. in food, and it is also resistant to heat during processing. It is.
In addition, “gellan gum” is a microorganism collected from aquatic plants, Pseudomonase bdea that isolates and purifies polysaccharides that are produced outside the cells using glucose as a nutrient source, and is obtained by fermentation. It is a natural polysaccharide known as a gelling / stabilizing agent.

  As a result, with respect to the product of the above (A), the brightness by the sensory evaluation is better than the above-mentioned conventional product (pullulan use type) cited as the prior art, and the same level as the original gum arabic simple substance type. We got an evaluation that we can make things. Moreover, about the implementation product of said (B), the brightness by sensory evaluation is better than the conventional product (pullulan use type) mentioned as said prior art, and brightness also increases compared with the original gum arabic simple substance type, The evaluation that it was possible to make the thing more than equivalent level was obtained. Furthermore, for the product of the above (C), the brightness by the sensory evaluation is better than the conventional product (using pullulan) mentioned above as the conventional technology, and the same level as the original gum arabic single type. The evaluation that it was possible to make was obtained.

  From the above, when using the aqueous solution of added gum arabic listed in (A), (B) and (C) above, particularly for the product of (B), the brightness is higher than when using gum arabic alone. It was confirmed that it improved and became a better specification.

Next, in place of the above “aqueous gum arabic solution”, (A) xanthan gum alone, (B) gellan gum alone, (C) xanthan gum and gellan gum in the same amount combined addition, coating and coating step on the mount, the same drying step, A metal foil piece decoration material was prepared in the same pulverization step as in the case of using the above-mentioned “gum arabic aqueous solution”.
(Modified Example 2)
Specifically, instead of the aqueous gum arabic solution, 1 g of xanthan gum was added to (A) 300 ml of 95 ° water (hereinafter, this aqueous solution is referred to as “xanthan gum aqueous solution”). In addition, the xanthan gum before addition had a concentration of about 3%.
Then, this “xanthan gum aqueous solution” is applied and coated on the gold foil placed on the release film in place of the “gum arabic gum aqueous solution” in the above-described coating and coating step (shown by [S3] in FIG. 1). . That is,
A. A mount is placed on a smooth table, a release film is placed so as to be approximately in the center of the mount, and both ends of the release film are fixed with a masking tape.
I. Six gold foils are placed side by side on one release sheet so that the gold foil does not wrinkle.
C. Take 10 cc of “xanthan gum aqueous solution” with a measuring spoon and pour it on the gold leaf. Then spread it evenly with a coating spatula.
The above-mentioned “xanthan gum aqueous solution” is applied to and coated on a gold foil by the above-described processes.

When the “xanthan gum aqueous solution” is coated and coated on the gold foil on the release film, the process proceeds to the next drying step (shown by [S4] in FIG. 1) as described above. The drying step is specifically composed of the following two steps as described above.
A. The gold foil coated with and coated with the aqueous solution of chitan sang gum that has been subjected to the coating / coating process (hereinafter referred to as “kitane sang gum-coated gold foil”) is sequentially placed on a drying table.
I. The drying is performed for 2 hours in a dryer at a temperature of 50 ° C. to 60 ° C., preferably 48 hours at a temperature of 18 ° C. to 28 ° C. and a humidity of 40% to 70%.

Next, when the drying process is completed, the process proceeds to a crushing process (indicated by [S5] in FIG. 1).
The pulverization process includes the following three processes.
A. The water is removed from the xanthan gum aqueous solution in the above process, and the end of the xanthan gum-covered gold foil is naturally peeled from the release film. When such a state is reached, the “xanthan gum-coated gold foil” is scraped off from the release film with a peeling spatula.
I. The scraped “xanthan gum-coated gold foil” is put into a pulverizer (manufactured by Mutual Sangyo Co., Ltd.) and pulverized, and then sieved with a net having a diameter of 0.3 mm to 1.0 mm to give a metal foil piece decoration material (hereinafter referred to as “xanthan gum”). A coated metal foil piece decoration material ”).
C. Thereafter, the “xanthan gum-coated metal foil piece decoration material” is further filtered through 20 mesh to 80 mesh. Let it be a “xanthan gum-coated metal foil piece decorative material product” that has passed 20 mesh to 80 mesh.

  According to the visual evaluation, this “xanthan gum-coated metal foil piece decorative material” has a brightness that is better than that of the conventional product (with pullulan), but the gum arabic unit type shown in Examples 1 to 6 above. In comparison, the film thickness was thin, or some wrinkles were formed on the surface. For this reason, the luminance was slightly inferior, but such a product was evaluated to be in practical use depending on the application.

(Modified Example 3)
Next, in place of the aqueous gum arabic solution, (B) an aqueous solution in which 1 g of gellan gum is added to 300 ml of 95 ° water (hereinafter referred to as “gellan gum aqueous solution”) is prepared. In addition, the density | concentration of the gellan gum before addition was about 3%. And this "gellan gum aqueous solution" is apply | coated and coat | covered on the gold foil mounted on the peeling film according to the application | coating and coating process (shown by [S3] of FIG. 1) mentioned above, and also the above-mentioned drying process similarly to the above-mentioned. (Indicated by [S4] in FIG. 1). Then, after drying until the end of the gellan gum-coated gold foil is naturally peeled from the release film, scrape off the “gellan gum-coated gold foil” from the release film with a peeling spatula and pulverize the scraped “gellan gum-coated gold foil” Crushed in a machine (manufactured by Mutual Sangyo Co., Ltd.), and then sieved with a mesh with a hole diameter of 0.3 mm to 1.0 mm (hereinafter also referred to as “gellan gum-coated metal foil piece decoration material”) ).

  According to the visual evaluation, this “gellan gum-coated metal foil piece decoration material” has a brightness that is better than that of the conventional product (using pullulan), but the gum arabic simple substance type shown in Examples 1 to 6 above. Compared to the above, it was probably because the film thickness was thin, or some wrinkles were formed on the surface. For this reason, although the brightness was slightly reduced, such a product was evaluated as being in a practical range depending on the application. In addition, about this Example, since the transparency of the solution itself is high, the result is that the brightness is better than that of Modified Example 2 and the product is superior to Modified Example 2 above. Obtained.

(Modified Example 4)
Subsequently, an aqueous solution in which 0.5 g of the xanthan gum and 0.5 g of the gellan gum were added to 300 ml of 95 ° water instead of the aqueous gum arabic solution was prepared (hereinafter, this aqueous solution is referred to as “xanthan gum / gellan gum aqueous solution”). . In addition, the concentration of “xanthan gum” and “gellan gum” before addition is about 1.5%.
Then, this “xanthan gum / gellan gum aqueous solution” is coated / coated on the gold foil placed on the release film in accordance with the coating / coating step (shown by [S3] in FIG. 1) described above. Dry according to the drying step (indicated by [S4] in FIG. 1). Then, after drying until the end of the xanthan gum / gellan gum-coated gold foil is naturally warped from the release film, the “xanthan gum / gellan gum-coated gold foil” was scraped off from the release film with a peeling spatula, “Gelantham coated gold foil” is put into a pulverizer (manufactured by Mutual Sangyo Co., Ltd.) and crushed, and then sieved with a mesh having a diameter of 0.3 mm to 1.0 mm. "Foil piece decoration material").

  According to the visual evaluation regarding this “xanthan gum / gellan gum-coated metal foil piece decoration material”, the brightness is better than that of the conventional product (with pullulan), and the original gum arabic of Examples 1 to 6 above. Since the film thickness was thinner than that of a single substance, wrinkles were formed on the surface, and the brightness was slightly reduced, but it was evaluated that it could be practically used depending on the application.

  Regarding the workability such as the peeling work from the release film, in the modified examples 2 to 4, the pulverized product is light because the film thickness is thin, and a little wind pressure is required unless sufficient care is taken. There is a point that the workability is inferior to that of the gum arabic type of Example 1 to Example 6 described above, but there is an extremely hindrance to commercialization. Rather, there was a demand for separate products for specifications and applications that do not require weight.

FIG. 1 is a process diagram showing how to make a metal foil piece decorative material according to the present embodiment. FIG. 2 is a schematic cross-sectional view of a metal foil piece decoration material according to the present embodiment. Fig. 3 (a) is a photograph of a coarse type metal foil piece decoration material set (overall view) of Example 2 and Fig. 3 (b) is an enlarged view showing the grain state. Fig.4 (a) is a photograph of the thin type metal foil piece decoration material set (overall view) of the present Example 3, and FIG.4 (b) is an enlarged view showing the grain state. Fig.5 (a) is a photograph of the ultra-thin type metal foil piece decoration material set (overall view) of the fifth embodiment, and Fig.5 (b) is an enlarged view showing the grain state. FIG. 6 is a photograph comparing the metal foil piece decoration materials of coarse type, fine type, and extremely fine type.

Explanation of symbols

1 Metal foil piece decoration material 2, 20 Gold foil 3, 12 Arabic gum

Claims (2)

A first step of dissolving a thickening polysaccharide in which a predetermined amount of gum arabic, xanthan gum and / or gellan gum is dissolved in a predetermined amount of water;
A thickening polysaccharide for coating one or two of the above-mentioned dissolved aqueous gum arabic solution, aqueous solution of xanthan gum and / or gellan gum aqueous solution on the surface of a metal foil made of a gold foil or silver foil placed on a release film placed on a smooth flat plate A second step of aqueous solution coating;
A third step of drying the coated metal foil under a predetermined environment;
A fourth step of peeling the dried metal foil from the release film and pulverizing with a pulverizer;
The manufacturing method of the metal foil piece decoration material characterized by the above-mentioned. A first step of dissolving a thickening polysaccharide in which a predetermined amount of gum arabic, xanthan gum and / or gellan gum is dissolved in a predetermined amount of water ;
A thickening polysaccharide for coating one or two of the above-mentioned dissolved aqueous gum arabic solution, aqueous solution of xanthan gum and / or gellan gum aqueous solution on the surface of a metal foil made of a gold foil or silver foil placed on a release film placed on a smooth flat plate A second step of aqueous solution coating;
A third step of drying the coated metal foil under a predetermined environment;
Through a fourth step of peeling the metal foil from the release film after punching or cutting the dried gum arabic-coated metal foil, the chitansan gum-coated metal foil and / or the gellan gum-coated metal foil with a predetermined mold,
A method for producing a metal foil decorative material , characterized by being manufactured .

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