JP5677303B2 - Laminated structure for makeup - Google Patents

Description

  The present invention relates to a laminated structure for cosmetics, a method for producing the laminated structure, and a method for concealing skin defects by adhering the laminated structure to the skin.

  There is a need to hide skin defects for aesthetic or medical purposes. You might imagine putting a bandage over a defect to hide it, but there is no known product or method that is dedicated to or suitable for that purpose. The problem is that bandages are very noticeable and do not have the standard user demands.

  US Pat. No. 5,942,065 discloses a decal that adheres to the skin. According to the patent, a multicolor flexo printed design with a skin adhesive decal in a very thin, flexible, expandable and uniform layer made of a water-resistant material covering a water-soluble release layer carried by a porous transfer paper And a uniformly deposited adhesive covering the design that is adapted to hold the design against the skin and protect it from breakage. The problem with the decals mentioned above is that when used to conceal skin defects, the decals are very conspicuous, the decals concealing effect is not sufficient, and wrinkles tend to accumulate after the skin moves repeatedly. is there.

  U.S. Pat. No. 3,898,357 discloses a decal for decorating fingernails. According to the patent, the decal comprises a carrier strip and a generally egg-shaped decal that is spread out in a series of five steps, which is basically a thin non-self-supporting flexible transparent Consisting of a film and a central design integrally formed on the transparent film, each decal adapted to substantially cover the surface of a finger or toe nail, and the decal present on the carrier strip Is temporarily retained on the carrier by water activated adhesive means on the back of each decal, and the means is adapted to stick and transfer to the nail with water activated adhesive away from the carrier, A water-resistant solvent cellulose adhesive transparent layer is present on each decal. The problem with this decal is that when used to conceal skin defects, the decal is very conspicuous, the decal's concealing effect is not sufficient, and it does not follow the skin deformation smoothly, resulting in repeated skin After moving, there is a tendency for spiders to accumulate.

US Pat. No. 5,942,065 U.S. Pat. No. 3,898,357

  In view of the fact that currently available inventions and products do not meet other requirements from an aesthetic and medical point of view while satisfying the requirement to conceal skin defects, the inventors of the present invention Have invented a laminated structure, a method for producing the laminated structure, and a method for hiding skin defects, which solves these problems.

  According to one aspect of the invention, the inventors propose a laminated structure for cosmetic or skin cosmetic use, the structure being a substrate that is applied to the skin or mucous membrane, the skin or A base material made of a flexible material so as to follow the deformation of the mucous membrane and an image forming layer on which the coloring material is carried are provided.

  In this specification, unless stated otherwise, the term “cosmetic” refers to the application of cosmetic, dermatological or dermatological purposes, as well as aesthetic purposes, surgical purposes, and laminated structures on the skin or nails. Includes use for post-operative treatment of fixation. The term “dermo cosmetic” is used to include an area that may belong to either makeup or dermatology, or a border area between makeup and dermatology. In this specification, the term “skin” is used to mean skin, mucosa, nails, unless otherwise stated or unless it is clear from the context that mucosa and nails are excluded.

  The flexible material used for the substrate to be applied to the skin is preferably an organic resin and an elastomer such as polyurethane, polyolefin, polysilicon, or a copolymer of these monomers, or polyacrylate, polyisoprene, poly It includes chloroprene, and more preferably includes polyurethane resin or synthetic rubber. While providing flexibility by the base material applied to the skin, it prevents the formation of wrinkles when the skin on which the laminated structure is applied is deformed by, for example, facial expressions or bending and stretching of the arms. it can. The flexibility of the flexible material described above may be adjusted as desired by adding one or more of plasticizers, stiffeners, hardeners, hardeners. The thickness of the substrate may be from about 2 to about 30 microns, preferably from about 2 to about 10 microns. The substrate may be affixed to the skin by various means such as glue, adhesive, adhesive or other adhesive material attached to the side facing the skin. When using an adhesive for the substrate, the thickness is preferably less than 30 microns.

  Any coloring material may be used as long as it is compatible with the image forming layer and the method used for laying the color material on the image forming layer. For example, a coloring material made of or containing one or more of organic dyes, organic pigments or coloring materials, lake dyes or lake pigments, inorganic pigments, carbon black, natural dyes, pearl pigments. You may use the ink contained in the form of a liquid agent or an emulsion. However, the coloring material is not limited to the example described above.

  The image forming layer supports a coloring material laid thereon. Preferably, the image forming layer comprises or consists of a styrene resin, an epoxy resin or an acrylic resin, and optionally further comprises a urethane resin, a polyester resin, or an olefin resin. The imaging layer may contain any other material, or may be made of any other material, so long as the material is suitable for carrying the coloring material and is suitable for cosmetic purposes. The image-forming layer is made of a filler selected from fluororesin, melamine resin, silicone resin, PMMA, talc, kaolin, magnesium carbonate, calcium carbonate, titanium oxide, silica, and starch particles, and other fillers suitable for cosmetic purposes. Further, it may be provided. Preferably, the image forming layer has heat resistance as well as strength and hardness necessary to withstand the printing process and hold the coloring material at a predetermined position.

  The thickness of the imaging layer is preferably from about 0.1 to about 5.0 microns, more preferably from about 0.5 to about 3.0 microns. This thickness is preferred for handling layers and laminated structures during manufacturing and for clearly reproducing the desired color and pattern. The image forming layer may further include a curing protective layer provided with or composed of a thermoplastic resin or a UV curable resin in order to improve the resistance and hardness of the image forming layer. The imaging layer and its optional protective layer may contain one or more of film-forming additives, layer stabilizers, leveling agents, or antifoaming agents as desired.

  According to the aspect of the present invention described above, skin defects are effectively hidden, and the laminated structure looks like the surrounding skin, so that the laminated structure is not actually visible. The skin defect may be a visible scar on the skin, a product, a freckle, an ephride, a blot, a spot, a bruise defect, a wrinkle or a visible discoloration of the skin. In an embodiment that is not limited to the above-described embodiments, the laminated structure according to the present invention contains 1 active ingredient such as a wettable powder, an anti-inflammatory agent, and a healing agent that is effective for cosmetic, dermatological, skin cosmetic, or medical purposes. One or more layers may be included to thereby release the active ingredient from the laminated structure to the skin.

In another aspect, the present invention provides a cosmetic or skin cosmetic laminate structure, the laminate structure comprising:
An image forming layer carrying a coloring material thereon;
A first adhesive layer on the opposite side of the image forming layer from the side in contact with the skin or mucous membrane of the laminated structure, wherein the first adhesive layer is water soluble;
A water-permeable protective layer on a side opposite to the image forming layer of the first adhesive layer.

  When the water-soluble first adhesive layer is wetted with water, the bonding strength is reduced, and the water-permeable protective layer can be easily removed therefrom. Preferably, the water-soluble first adhesive layer is selected from dextrin, polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acid amide, polyvinyl methyl ether, poly (meth) acrylic acid including polymer, etherified starch, and starch. Contain or consist of one or more materials. The first adhesive layer may contain PEG, a polymer absorbent, or porous particles to improve water retention. The thickness of the water soluble first adhesive layer is preferably about 0.5 microns to about 10 microns, more preferably about 1 micron to about 5 microns. A part of the first adhesive layer may remain on the lower layer even after wetting the layer and removing the water-permeable protective layer therefrom.

  The water-permeable protective layer protects the underlying layer and can be easily removed by wetting the first adhesive layer to reduce the bond strength. The water-permeable protective layer is preferably made of a material that does not dissolve in water and is permeable to water or moisture, so that water and moisture can reach the first adhesive layer. The water-permeable protective layer may be made from paper, resin-coated paper or a layer of porous or porous resin material, or may contain the layer.

The present invention also provides a laminated structure for cosmetic or skin makeup,
A base material to be applied to the skin or mucous membrane, which is made of a flexible material so as to follow the deformation of the skin or mucosa to which the base material is applied;
An image forming layer carrying a coloring material thereon;
A first adhesive layer (32) on the opposite side of the image forming layer from the substrate, wherein the first adhesive layer is water soluble;
A water-permeable protective layer on a side opposite to the image forming layer of the first adhesive layer.

  The laminate structure for cosmetics has a peelable protective layer for fixing the laminated structure on the side where the water-permeable protective layer is not applied, and a base material and peelable protection so as to come into contact with the skin or mucous membrane during use of the laminated structure. You may further provide the 2nd adhesive bond layer laid between layers.

  The laminated structure may further include a backup layer attached to the image forming layer on the side opposite to the side carrying the coloring material. The backup layer may be made of an opaque, translucent, or transparent material that is compatible with the method used to lay the color material on the imaging layer. Examples of such materials include paper and synthetic resin materials. The backup layer may provide strength and rigidity to the image forming layer during and after the process of laying the coloring material on the image forming layer.

  The laminated structure according to the present invention may further include a hot melt adhesive layer that is fixed to the side of the image forming layer that carries the coloring material. The hot melt adhesive layer is secured to the image forming layer and the colored material on the image forming layer is coated. The hot melt material may be, for example, ethylene vinyl acetate copolymer, ethylene ethyl acrylate, polyamide resin, vinyl chloride / vinyl acetate copolymer, styrene resin, acrylic resin, urethane resin, polyester resin, or the like. Preferably, an ethylene vinyl acetate copolymer, ethylene ethyl acrylate, urethane resin or polyester resin is used to better match the coloring material or imaging layer. The hot melt layer may be preferably left on the coloring material and the image forming layer after removing the first adhesive layer together with the water-permeable protective layer, and may serve to protect the coloring material.

  The hot melt adhesive layer comprises particles as fillers, the particles comprising fluororesin, melamine resin, silicone resin, talc, kaolin, magnesium carbonate, calcium carbonate, titanium oxide, silica, and starch, or These may be contained to improve the blocking resistance and tack resistance of the layer during the production process. The thickness of the hot melt adhesive layer is preferably from about 0.1 microns to about 10 microns, more preferably from about 1 micron to about 5 microns.

  The laminated structure according to the present invention may further include a third adhesive layer between the image forming layer and the substrate to be attached to the skin. The water-soluble first adhesive layer does not separate the third adhesive layer because the first adhesive layer requires a small force to separate when the first adhesive layer is moistened as compared to the third adhesive layer. In addition, the water-permeable protective layer can be easily removed.

Another object of the present invention is to provide a method for producing a decorative laminate structure, the laminate structure comprising a substrate, a third adhesive layer, and an image carrying a coloring material thereon. A forming layer, a hot-melt adhesive layer, a water-soluble first adhesive layer, and a water-permeable protective layer,
Fixing the coloring material on the image forming layer supported by the support layer via the third adhesive layer;
Fixing a water-soluble first adhesive layer and a hot melt adhesive layer thereon in this order to prepare a water-permeable protective layer;
Adhering the hot melt adhesive layer to the third adhesive layer;
Removing the support layer;
Adhering the peelable protective layer and the second adhesive layer to the third adhesive layer.

  The coloring material may be fixed on the image forming layer by thermal transfer, ink jet printing, or any other method.

The present invention also provides a method for preparing a decorative laminated structure, the laminated structure being a base material applied to the skin, which is flexible so that it can follow the deformation of the skin on which the base material is applied. A substrate made of a material, and an image forming layer carrying a coloring material thereon, the method comprising:
Obtaining color image data of a skin having a defect to be concealed and applying a laminated structure;
Removing defects from the color image and modifying the color image data;
Printing a modified skin color image with a coloring material on the imaging layer.

  Skin color image data may be obtained using a digital camera. Preferably, color image data of an area including a defect to be concealed is acquired. In order to remove the defect from the color image, this may be performed by deleting the data corresponding to the defect and replacing the data with the data in the vicinity of the defect.

The method described above
Setting a modified color image for the skin;
Obtaining a modified color image and color image data of the skin near the modified color image;
Changing the modified color image data so that the changed color image looks completely different from the skin;
Printing a modified color image of the skin with a coloring material on the image forming layer.

  In assigning the modified color image to the skin, the color image may be affixed to the skin to capture image data, or simply matched to the skin. The modified color image data may be changed so as to eliminate the difference between the modified color image and the color of the region other than the skin defect. This change may be executed so that the average of the color space of the modified color image data and the modified color image data after the change correspond to the image data of the region other than the skin defect. The color space may be one of CIE such as RGB coding that is a general color model, Munsell color system, or natural color system. No difference is intended to mean that there is substantially no, very little or no difference for actual cosmetic or medical purposes.

The present invention also provides a method for concealing skin or mucosal defects, the method comprising:
Obtaining color image data of an area of the skin or mucous membrane that has a defect to be concealed;
Removing defects from the color image and modifying the color image data;
Printing a modified color image of the skin or mucous membrane with a coloring material on the image forming layer of any one of the laminated structures described above, thereby producing any of the above-described cosmetic or skin cosmetic laminated structures When,
Applying the printed laminated structure to the skin to cover at least the defects to be concealed.

The method described above
Obtaining a modified color image and color image data of the skin near the modified color image;
Changing the modified color image data so that the changed color image looks completely different from the skin;
Printing a modified color image of the skin with a coloring material on the image forming layer.

It is a figure which shows the manufacturing process of the laminated structure by 1st Embodiment of this invention. It is a figure which shows the manufacturing process (first half) of the laminated structure by 2nd Embodiment of this invention. It is a figure which shows the manufacturing process (latter half) of the laminated structure by 2nd Embodiment of this invention. 2 shows a comparison between a laminated structure according to the present invention and a laminated structure according to the prior art.

  Embodiments of the present invention are described below. It is noted that the embodiments and their description are provided merely to assist in understanding the present invention and should not be construed as limiting in any way to the embodiments described below. I want.

  FIG. 1 shows a process of manufacturing a laminated structure according to the first embodiment of the present invention, and the process proceeds from A to C. In the production step A, on the other hand, the second peelable protective layer 10 (the third adhesive layer 12 that may be added), the second adhesive layer 14, the backup layer 16, the image forming layer 18, and the coloring material 20 ( A 5 (or 4) layer structure (also referred to as a colored material layer) is prepared. The coloring material layer may not cover the entire surface of the image forming layer 18. The imaging layer is made from a colored material and a material selected to be compatible with the solvent if a solvent is used. As an example, a resin layer containing a styrene resin and a urethane resin may be mentioned. The material and thickness of the backup layer 16 are selected so that the laminated structure has adequate strength and rigidity to maintain shape. On the other hand, in a structure having three layers, these layers are prepared as a water-permeable protective layer 34, a water-soluble first adhesive layer 32, and a hot-melt adhesive layer 30.

  The above-described structure having five layers and the structure having three layers are fused by fusing the hot melt adhesive layer 30 to the image forming layer 18 and heating both structures so as to cover the coloring material 20. To fuse.

  When using a laminated structure, the second peelable protective layer 10 is removed from the eight-layer structure as described above to expose the second adhesive layer 14 and then seven layers. The structure thus formed is attached to the skin with the second adhesive layer 14 in contact with the skin. The laminated structure is then applied to the skin by the second adhesive layer 14.

  The water-permeable protective layer 34 is wetted so that water or moisture passes through the water-permeable protective layer 34 and reaches the water-soluble first adhesive layer 32 to wet the first adhesive layer 32.

  The water-permeable protective layer 34 is removed from the laminated structure so that the coloring material 20 is visible from the outside. The amount and balance of the coloring material is determined so that the defect is hidden by the laminated structure and looks similar to the skin around the laminated structure.

  In FIG.2 and FIG.3, the manufacturing steps AF of the laminated structure for makeup | decoration by 2nd Embodiment of this invention are shown. On the other hand, in the manufacturing process A, five layers (or four layers) of the second peelable protective layer 10, the third adhesive layer 12, the backup layer 16, the image forming layer 18, and the coloring material 20 (also referred to as a coloring material layer). A structure having is prepared. On the other hand, a structure having three layers is prepared as a water-permeable protective layer 34, a water-soluble first adhesive layer 32, and a hot-melt adhesive layer 30.

  The structure having five layers and the structure having three layers are fused together by heating so that the hot melt adhesive layer 30 is fused with the image forming layer 18 and the coloring material 20 is covered.

  A three-layer structure including a base material 42, a second adhesive layer 14, and a protective film 40 to be attached to the skin is prepared.

  The second peelable protective layer 10 is removed from the above-described structure having eight layers to form a seven-layer structure (B), and another peelable protective layer (not shown in FIG. 2) is formed by the three layers described above. The seven-layer structure and the three-layer structure are pasted so as to fix the third adhesive layer 12 on the base material 42 that is pasted on the skin.

  When using the laminated structure, as described above, the protective film 40 has 10 layers including the coloring material so as to expose the second adhesive layer 14 (or 9 if the coloring material is not regarded as a layer). Layer) and then a structure having 9 (or 8) layers is applied to the skin. Next, this laminated structure is applied to the skin via the second adhesive layer 14 and the base material 42 (E) applied to the skin.

  The water-permeable protective layer 34 is wetted so that water or moisture passes through the water-permeable protective layer 34 and reaches the water-soluble first adhesive layer 32 to wet the water-soluble first adhesive layer 32.

  The water-permeable protective layer 34 is removed from the laminated structure so that the coloring material 20 is visible from the outside. At least a part of the first adhesive layer 32 may or may not remain on the hot melt adhesive layer 30 after the water-permeable protective layer 34 is removed. The amount and balance of the coloring material is determined so that the defect is concealed by the laminated structure and looks similar to the skin around the laminated structure.

  FIG. 4 is a photograph showing a comparison between a laminated structure (left side) and a conventional structure (right side) according to an embodiment of the present invention. These photographs were taken several hours after the laminated structure was applied to the skin surface of the forearm and the arm was bent and stretched several times. The conventional laminated structure shown on the right side has cracks in the horizontal direction and wrinkles in the vertical direction. As a result, the texture of the laminated structure is degraded, and the laminated structure is conspicuous from normal skin. It has been. In contrast, in the laminated structure according to the present invention, the laminated structure has no cracks and no wrinkles and looks like normal skin. In other words, the photo shows that the laminated structure ideally provides the texture of the skin and reproduces the color of the skin, which was not possible with conventional structures. Yes.

DESCRIPTION OF SYMBOLS 10 2nd peelable protective layer 12 3rd adhesive layer 14 2nd adhesive layer 16 Backup layer 18 Image forming layer 20 Coloring material 30 Hot-melt-adhesive layer 32 1st adhesive layer 34 Water-permeable protective layer 40 Protective film 42 group Material 100 Skin

Claims (6)

A substrate to stick to the skin, the substrate is made of flexible materials including polyurethane, polyolefin, or polyacrylate,
Styrene resin together is formed on the substrate, wherein the epoxy resin or an acrylic resin, an image forming layer carrying a coloring material, a image formation modification color image of the skin is printed thereon Layers ,
A hot melt adhesive layer formed in contact with the image forming layer;
A laminate structure for makeup , comprising a water-permeable protective layer formed on the hot melt adhesive layer with an adhesive layer interposed therebetween . Image forming layer further comprises a urethane resin, a polyester resin or olefin resin, cosmetic multilayer structure according to claim 1. The thickness of the image formation layer is 0.1 to 5.0 microns, cosmetic multilayer structure according to claim 1 or 2. In a method for producing a laminated structure for makeup,
Producing a first structure in which a water-permeable protective layer, an adhesive layer, and a hot-melt adhesive layer are arranged in this order;
A step of producing a second structure in which a second peelable protective layer and an image forming layer are arranged in this order, wherein the image forming layer is formed of a styrene resin, an epoxy resin or an acrylic resin, Steps that are carried on it ,
Creating a third structure having a third peelable protective layer and a substrate for application to the skin, wherein the substrate is made of a flexible material comprising polyurethane, polyolefin, or polyacrylate; ,
Obtaining color image data of an area of the skin having a defect to be concealed, removing the defect from the color image and modifying the color image data;
Printing a modified color image of the skin on the imaging layer of the second structure;
Bonding the first structure and the second structure to each other by bringing the imaging layer into contact with the hot melt adhesive layer;
Removing the second peelable protective layer, adhering the third structure to the second structure, contacting the substrate to be applied to the skin with the image forming layer, and forming a decorative laminated structure;
A method comprising: The method according to claim 4, wherein the image forming layer further comprises a urethane resin, a polyester resin, or an olefin resin . The method according to claim 4 or 5, wherein the thickness of the image forming layer is 0.1 to 5.0 microns .

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