TWI770127B - Cosmetic composition carrier having bio cellulose layer and manufacturing method thereof - Google Patents

Abstract

A carrier for carrying cosmetics is provided. The carrier includes a carrier body having a discharge surface for discharging the cosmetics, and includes a coating layer covering at least a portion of the discharge surface and formed of bio cellulose. In addition, a manufacturing method of the carrier formed with the bio cellulose coating layer is also provided. The method includes the following steps: preparing the carrier body for carrying the cosmetics and preparing a bio cellulose nutrient solution; and forming the bio cellulose coating layer on at least a portion of a surface of the carrier body using the bio cellulose nutrient solution.

Description

Cosmetic composition carrier with biofiber layer and method for producing the same

The present invention relates to a carrier having a biocellulose coating layer formed thereon and a method for producing the same.

Previously, low-viscosity cosmetic compositions such as foundations and sunscreens, especially liquid cosmetic compositions, were used by packing the contents into a tube, pump, or jar (jar) type container, but there were the following disadvantages: poor portability, due to the need for Apply directly to the skin by hand and make-up on the hands.

In order to solve this shortcoming, a compact-type cosmetic tool that can carry a low-viscosity cosmetic composition, especially a liquid cosmetic composition, and is easy to carry, has been developed. The carrier carrying such a low-viscosity cosmetic composition has an open cell structure in order to discharge the carried cosmetic to the outside when appropriately pressurized.

The carrier plays the role of limiting the liquid cosmetic to a fixed volume and preventing natural volatilization to a certain extent, but there is the following problem: when the powder is opened, the contact air is continuously exposed to the outside during use, and the moisture contained in the cosmetic easily evaporates .

[Prior Art Literature] [Patent Literature]

Korea Registration No. 1385501 (registered on April 9, 2014)

Therefore, an object of the present invention is to provide a carrier having a biocellulose coating layer formed with reduced water evaporation, and a method for producing the same.

The above-mentioned object of the present invention is achieved by the following carrier: carrying cosmetics, including a carrier body having a discharge surface for discharging cosmetics and a film layer covering at least a part of the discharge surface, and the film layer is made of bio cellulose (bio cellulose) form.

A discharge hole may be formed on the discharge surface, and at least a part of the coating layer may extend to the discharge hole.

Through holes through which cosmetics can pass may be formed in the coating layer.

The carrier body may include another surface opposite to the discharge surface, and a side surface connecting the discharge surface and the other surface, and at least a part of the coating layer extends to at least any one of the other surface and the side surface.

The coating layer can be formed with a thickness ranging from 1/100 to 1/10 of the thickness of the carrier body.

The above-mentioned other object of the present invention is achieved by the following manufacturing method of a carrier formed with a biocellulose coating layer: comprising the steps of preparing a carrier body and a biocellulose culture solution for carrying cosmetics, and utilizing the biocellulose culture solution The step of forming a biocellulose coating layer on at least a part of the surface of the carrier body.

The carrier body may have a discharge surface for discharging cosmetics, and in the step of forming the biocellulose film layer, the film layer is formed to the discharge surface, and further includes the step of forming through holes in the film layer formed on the discharge surface.

In the step of forming the biocellulose coating layer, the step of immersing the carrier body in the biocellulose culture solution and the step of exposing the carrier body to the outside of the biocellulose culture solution may be repeatedly performed.

The through holes can be formed by at least any one of acupuncture, knife cutting and laser perforation.

The above-mentioned discharge part may be either spherical or cylindrical.

It may further comprise an applicator, a housing for accommodating the applicator and the makeup unit.

There may be a plurality of the discharge parts, and they are arranged on the same plane.

The above-mentioned object of the present invention is achieved by the following cosmetic appliance: comprising a discharge part and a receiving part exposing at least a part of the discharge part and accommodating the discharge part, and containing cosmetics in the receiving part, if the exposed part receives an external force, Then, the above-mentioned discharge part rotates to expose other parts, and the exposed part forms a discharge surface.

According to the present invention, there are provided a carrier having a biocellulose coating layer formed with reduced water evaporation, and a cosmetic device including the same.

1: Vehicle

10: Vehicle body

11: discharge surface

13: The other side

15: Side

20: coating layer

101: drain hole

103: Internal hole

201: Through hole

A: Part

d ₁ : diameter

l ₁ : Interval

S100, S200, S300, S210, S220: Steps

FIG. 1 is a perspective view of a carrier according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a cross section taken along the line II-II' in FIG. 1 .

FIG. 3 is an enlarged view showing part A of FIG. 2 .

4 is a cross-sectional view of a carrier according to a second embodiment of the present invention.

5 is a cross-sectional view of a carrier according to a third embodiment of the present invention.

6 is a sequence diagram of a method of manufacturing a carrier according to an embodiment of the present invention.

7 is a detailed sequence diagram showing the formation of a coating layer in the method for manufacturing a carrier according to an embodiment of the present invention.

8A to 8C are diagrams for explaining a method of manufacturing a carrier according to an embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

The accompanying drawings are merely examples shown for explaining the technical idea of the present invention more concretely, and therefore the idea of the present invention is not limited to the accompanying drawings.

The accompanying drawings are merely examples shown for explaining the technical idea of the present invention more concretely, and therefore the idea of the present invention is not limited to the accompanying drawings.

In this specification, "carrier" refers to what can carry the cosmetic composition, and can also be represented by "medium" or "carrier".

Biocellulose as a polymer substance produced by culturing a plurality of bacteria, especially strains of the genus Acetobacter, is a polymer in which glucose is bound into β-1,4 form like cellulose obtained from plants, but its fiber size Much smaller than plant cellulose, it has a three-dimensional network structure, so it has excellent water retention.

The present invention applies the moisture retention feature of such biocellulose to a carrier for carrying cosmetics, thereby reducing the natural volatilization of cosmetics and improving the spreadability and moisturizing feel of cosmetics.

Hereinafter, the carrier according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 3 .

FIG. 1 is a perspective view of a carrier 1 according to a first embodiment of the present invention.

As shown in FIG. 1 , the carrier 1 according to the first embodiment of the present invention includes: a carrier body 10 having a discharge surface 11 (see FIG. 2 ) for discharging cosmetics; and a film layer 20 covering the discharge surface 11 (see FIG. 2 ) ). The coating layer 20 is formed of biocellulose.

The carrier body 10 may be made of porous material and may include foam, but is not limited thereto. The foam may include a material selected from the group consisting of acrylonitrile-butadiene rubber (NBR), butadiene rubber (BR), styrene-butadiene rubber (SBR), natural rubber (Natural Rubber, NR), Wet Urethane, Dry Urethane, Polyether, Polyester, Polyvinyl Chloride, Polyethylene, Ethylene Vinyl Acetate (EVA), Latex, Silicon Ketone, Styrene Isoprene Styrene (SIS), Styrene Ethylene Butylene Styrene (SEBS), Polyvinyl Alcohol (PVA), Silicon One or more materials from the group consisting of ketone elastomer, nitrile rubber, butyl rubber, and neoprene rubber, but not limited to this. The foam may be foamed by a dry foaming method or a wet foaming method, and the foam may also contain fibers. In addition, as a natural porous material, loofah, konjac, sponge, cellulose, biocellulose, or volcanic residue can be used.

Moreover, the carrier body 10 can be made of synthetic fibers or natural fibers. As natural fibers, cellulose, natural pulp, loofah (loofah), ramie, ramie (plant), agave fiber cloth (ayate, rough cloth made of agave or coconut tree), algae (algae) , Bamboo, sisal, sisal terry, sisal terry, konjac, Tencel ^TM fiber cloth (a natural antibacterial Tencel made of eucalyptus) fiber), cotton felt, tencel cotton, and abaca fiber, or at least one of them is formed, but it is not limited thereto.

As synthetic fibers, nylon, acetate fibers, nylon non-woven fabrics, cashmere fibers (synthetic fibers mainly composed of acrylonitrile CH ₂ =CH-CN fibers, that is, acrylic fibers), comfortable fibers, polyparaphenylene fibers can be included. At least any one of propylene dicarboxylate fiber, polyethylene, polypropylene, polyacrylate, polyacetate, polyolefin, polylactic acid (PLA), and polylactic acid-based composite fiber (environmentally friendly and biodegradable) , but not limited to this.

At least one of the carrier bodies 10 may be a porous material, a web (WEB) structure, a scroll structure, a foamed and meshed structure, or a foamed and scrolled structure.

The carrier body 10 carries cosmetics. The cosmetic composition can be an emulsion type composition, specifically a water-in-oil-in-water (W/O/W) type composition, an oil-in-water-in-water (O/W/O) type composition, and a water-in-oil (W/O) type composition type composition or oil-in-water (O/W) type composition, dispersion type composition or specifically oil-dispersed composition or water-dispersed composition.

The cosmetic composition may be, for example, a liquid composition or a solid composition, and the solid composition may include a powder composition such as powder. In addition, the cosmetic composition can be formulated into, for example, a makeup primer composition, a makeup primer composition, a foundation composition, a concealer composition, a lip composition, a lip liner composition, and an eyebrow powder. The composition for use, the composition for eye shadow, the composition for eyeliner, the composition for blusher, the composition for ultraviolet blocking agent, and the composition for skin care, but not limited thereto.

Through holes 201 are formed in the coating layer 20 . The cosmetic carried on the carrier body 10 is discharged to the outside through the through hole 201 . The shape, size and The configuration can be varied in various ways. In other embodiments, the through hole 201 may not be observed with the naked eye. In another embodiment, the film layer 20 itself is formed in a manner that allows cosmetics to pass through, and the through holes 201 may not be additionally formed.

FIG. 2 is a diagram showing a cross section taken along II-II' in FIG. 1 , and FIG. 3 is an enlarged diagram showing part A of FIG. 2 .

As shown in FIGS. 2 and 3 , the discharge surface 11 of the carrier body 10 is formed with a discharge hole 101 for discharging cosmetics, and an inner hole 103 capable of carrying the cosmetic is formed in the interior of the carrier body 10 .

When the user pressurizes the carrier 1 with a hand, a puff, or the like, the cosmetic carried on the discharge hole 101 and the inner hole 103 is discharged to the outside through the discharge hole 101 and the through hole 201 .

As shown in FIG. 3 , the film layer 20 covers the discharge surface 11 , and a part of the film layer 20 extends to the discharge hole 101 . The extension of the coating layer 20 to the discharge hole 101 is achieved by the characteristics of the method for forming the coating layer 20 described below, and the coating layer 20 is attached to the carrier body 10 without an additional adhesive member.

Furthermore, in addition to the coating layer 20 extending to the discharge surface 11 and the discharge hole 101 , the biocellulose can also be cultured to a part of the internal holes 103 inside the carrier body 10 to form a similar coating layer 20 formed on the discharge surface 11 . In other embodiments, the above-mentioned biocellulose may not be substantially formed.

When biocellulose covers the discharge hole 101 and the inner hole 103 in addition to the discharge surface 11 as described above, the effect of preventing water evaporation of the cosmetic can be improved compared with the case where only the discharge surface 11 is covered.

The through-hole 201 can be formed in various sizes and shapes according to the degree of discharge of the cosmetic, the manufacturing process, and the like, and is not limited to being formed to the coating layer 20 . E.g, The through hole 201 may extend to the inside of the carrier body 10 or the other surface 13 of the carrier body 10 opposite to the discharge surface 11 (refer to FIG. 4 ). The cross-sectional shape of the through hole 201 can be formed in other shapes such as an ellipse or a polygon, and is not limited to a circle.

The diameter d ₁ of the through hole 201 can be formed in a range of 0.3 mm to 2 mm, but is not limited thereto, and the above diameter can also be formed in a size of 0.5 mm to 1.8 mm or 0.8 mm to 1.5 mm.

The interval _l1 of the through holes 201 can be formed to be 1.2 mm to 2.3 mm, which is not limited. As another embodiment, it can be formed to be 1.4 mm to 2.2 mm. The range forms the above interval.

The thickness of the coating layer 20 can be formed at 1/100 to 1/10, 1/80 to 1/20, and 1/50 to 1/30 of the thickness of the carrier body 10, but is not limited thereto , can be formed in consideration of the size of the discharge hole 101 or the inner hole 103 and the amount of cosmetic support.

If the thickness of the film layer 20 is 1/10 or more of the thickness of the carrier body 10 , the cosmetics cannot be carried much, and the cosmetics are difficult to be discharged to the outside due to the thickness. If the thickness of the film layer 20 is smaller than that of the carrier body 10 1/100 of the thickness, the water retention effect of biocellulose will be poor.

4 and 5 are views showing the carrier 1 according to the second embodiment and the third embodiment of the present invention, respectively.

The carrier body 10 includes a discharge surface 11 for discharging cosmetics, another surface 13 opposite to the discharge surface 11, and a side surface 15 connecting the discharge surface 11 and the other surface 13. In the second embodiment shown in FIG. 4, the coating layer 20 The coating layer 20 is formed by extending to the other side 13 , and in the third embodiment shown in FIG. 5 , the coating layer 20 is formed by extending to the side surface 15 . Compared with the case where the coating layer 20 is formed only on the discharge surface 11, the above two embodiments can Effectively reduce the moisture evaporation of cosmetics.

Hereinafter, the manufacturing method of the carrier of the present invention will be described with reference to FIGS. 6 , 7 , and 8A to 8C .

6 is a sequence diagram of a method of manufacturing a carrier according to an embodiment of the present invention, and FIG. 7 is a sequence diagram showing in detail a step of forming a coating layer in the method of manufacturing a carrier according to an embodiment of the present invention. 8A to 8C are diagrams for explaining a method of manufacturing a carrier according to an embodiment of the present invention.

In order to manufacture the carrier of the present invention, first, the carrier body 10 and the biocellulose culture solution are prepared (step S100).

The biocellulose culture solution can be produced by a known method, and the method is not particularly limited.

When culturing biocellulose, nitrogen sources are not additionally mixed, or various nitrogen sources can also be cultured in order to increase the yield of biocellulose. The nitrogen source is known in the industry, and its range is not particularly limited. As specific examples, there may be yeast extract, ammonium sulfonate, and the like.

As microorganisms for producing biocellulose, Acetobacter, Rhizobium, Agrobacterium, and the like can be used. In addition, for production efficiency, various microorganisms may be mixed and cultured. The above-mentioned mixed culture can be efficiently carried out according to Korean Laid-Open Patent Publication No. 2002-0067226 of a stationary mixed culture or agitated mixed culture of Acetobacter xylinum, which has a good yield, and a Lactobacillus that produces bacteriocin to prevent contamination by miscellaneous bacteria.

Next, the biocellulose coating layer 20 is formed on the surface of the carrier body 10 by using the biocellulose culture solution (step S200). In the above steps, the process of dipping the carrier body 10 into the biocellulose culture solution (step S210 ) and exposing it to the outside of the culture solution (step S220 ) is repeatedly performed. As shown in Figure 8A, the biocellulose cultured The nutrient solution is put into the beaker, and the carrier body 10 is moved up and down to perform the above steps.

If the biocellulose is cultured on the carrier body 10 in this way, it is not necessary to attach the biocellulose that is difficult to adhere to the carrier body 10 , and the biocellulose is formed into a three-dimensional network structure on the discharge surface 11 of the carrier body 10 . Thereby, it has the effect of improving adhesion and moisture retention.

In addition, the process of repeatedly performing the step of immersing in the culture solution (step S210 ) and the step of exposing to the outside of the culture solution (step S220 ) maximizes the contact between the carrier body 10 and the air to easily cultivate the biocellulose.

The immersion of the carrier body 10 into the biocellulose culture solution can be repeated for 2 times at intervals of about 1 second to 10 seconds, 2 seconds to 8 seconds in another embodiment, and 3 seconds to 5 seconds in another embodiment. days to 5 days, but not limited thereto.

After this process, the coating layer 20 is formed on the carrier body 10 as shown in FIG. 8B .

The carrier 1 on which the coating layer 20 is formed can perform sterilization (sterilization) and drying processes of the cultured biocellulose. The sterilization (sterilization) and drying processes can be performed by methods known in the industry, and are not particularly limited.

A through hole 201 is formed in the carrier 1 on which the coating layer 20 is formed (step S300 ) so that the cosmetic can be moved.

As shown in FIG. 8C , the through hole 201 can be formed by a needle punching process, but not limited to this. As another embodiment, other processes such as knife cutting and laser perforation can be used to form a hole for the cosmetic to move. implement. As another example, if the cosmetic can be moved only by the coating layer 20 itself, the step of forming the through hole 201 can be omitted.

The through hole 201 is formed in the carrier 1 through the process of FIG. 8C as shown in FIG. 1 .

Hereinafter, a manufacturing example of the carrier 1 according to an embodiment of the present invention and the An experimental example will be described. However, the following examples are provided for easier understanding of the present invention, and the present invention is not limited to the following examples.

[Production Example 1] Production of a carrier with a biocellulose coating layer formed thereon

First, prepare the vehicle body and biocellulose medium for the experiment. The type of the carrier body used in this experiment was polyurethane (Poly Urethane, PU), and the biocellulose culture solution was used after pre-culturing Acetobacter xylinum BRC21 as a cellulose-producing strain.

Cultured using horse serum (Horse Serum, HS) medium supplemented with 2% glucose (glucose 20.00 g/l, yeast extract 5.00 g/l, sodium phosphate 2.70 g/l, citric acid 1.15 g/l) as a carbon source Acetobacter xylinum BRC21. 50 ml of the HS medium was dispensed into a 250 ml Erlenmeyer flask, sterilized at 120° C. for 30 minutes, and then prepared by inoculating Acetobacter xylinum BRC21, respectively.

The prepared biocellulose culture liquid was put into a beaker, put into a disintegration tester (Disintegration Tester), and the bath temperature (culture temperature) was set to 30°C. The carrier body was vertically suspended from the disintegration tester, immersed in the biocellulose culture solution, and exposed to the outside of the biocellulose culture solution at intervals of about 3 seconds. This process was repeated for 3 days. After 3 days, a biocellulose coating layer was formed on the carrier body. It was confirmed that the surface of the carrier body was covered with a film-like coating layer as if it were a coating.

The carrier on which the coating layer is formed is subjected to a sterilization (sterilization) and drying process, and then through-holes are formed by needle punching. Needles with a diameter of 1 mm were formed at intervals of 2 mm on the metal plate used for acupuncture, and about 50 through holes through which cosmetics could be discharged were formed on the discharge surface of the carrier by the above-mentioned needling.

[Experimental example 1] Determination of water evaporation in cosmetics

In order to compare and measure the amount of water evaporated from cosmetics, the The carrier of the biocellulose coating layer (hereinafter, referred to as Example 1) and the normal PU carrier (ether (ETHER) type PU dry carrier, hereinafter referred to as Comparative Example 1) as a comparative example.

A W/O type emulsified foundation having a viscosity of 12,000 cps was supported on each carrier in an amount of 7 g to 8 g as a cosmetic.

The ingredients of the cosmetics used in the experiments are as follows.

After each loaded carrier was placed in a petri dish to measure the initial weight, it was placed in a thermostat, taken out at 10-minute intervals, and the changed weight was measured. Taking into account the high average temperature in summer, the temperature of the constant temperature bath is kept at 30°C.

The weight was measured with a balance capable of measuring 1/100 g, the weight after 10 minutes and 20 minutes was measured, and the amount of weight loss was calculated.

The initial weight of each carrier on which the cosmetic is carried and the weight of the carrier at each time are as follows.

As shown in Table 2, when the amount of weight loss at each time between Example 1 and Comparative Example 1 loaded with cosmetics was compared, it was found that Example 1 was smaller than Comparative Example 1, and it was found that the water evaporation of the cosmetics increased on the basis of 10 minutes. reduced by more than 30%.

As described above, in the carrier 1 of the present invention, the coating layer 20 is formed on the discharge surface 11 of the carrier body 10 , thereby having an effect of reducing the evaporation of water from the cosmetic carried on the carrier body 10 compared with the conventional ones. Therefore, the moisture transfer ability and spreadability of the cosmetic to the skin can be improved.

In addition, if the coating layer 20 is formed not only on the discharge surface 11 of the carrier body 10 , but also on the discharge hole 101 , the inner hole 103 , the other surface 13 or the side surface 15 , it is different from the case where the coating layer 20 is formed only on the discharge surface 11 . In contrast, it can effectively reduce the moisture evaporation of cosmetics.

The above-described embodiments are examples for explaining the present invention, and the present invention is not limited thereto. Those with common knowledge in the technical field to which the present invention pertains can implement the present invention by making various modifications according to the above-mentioned embodiments, so the technical protection scope of the present invention should be defined according to the scope of the accompanying invention application patent.

1‧‧‧Vehicle

10‧‧‧Vehicle body

20‧‧‧Coating layer

201‧‧‧Through hole

Claims (7)

A carrier for carrying cosmetics, comprising: a carrier body having a discharge surface for discharging the cosmetic; and a film layer covering at least a part of the discharge surface; and the film layer is formed of biocellulose, wherein A through hole through which the cosmetic material can pass is formed in the coating layer. The carrier according to claim 1, wherein a discharge hole is formed on the discharge surface, and at least a part of the coating layer extends to the discharge hole. The carrier according to claim 1, wherein the carrier body has another surface opposite to the discharge surface and a side surface connecting the discharge surface and the other surface, and at least the coating layer has at least one surface. A portion extends to at least any one of the other side and the side surface. The carrier according to claim 1, wherein the coating layer is formed with a thickness ranging from 1/100 to 1/10 of the thickness of the carrier body. A manufacturing method of a carrier formed with a biocellulose coating layer, comprising: the steps of preparing a carrier body and a biocellulose culture solution for carrying cosmetics; and using the biocellulose culture solution on the surface of the carrier body In the step of forming a biocellulose film layer on at least a part of the film, wherein the carrier body has a discharge surface for discharging the cosmetic, and in the step of forming the biocellulose film layer, the film layer is formed to The discharge surface further includes a step of forming through holes in the coating layer formed on the discharge surface. The method for manufacturing a carrier with a biocellulose coating layer formed according to claim 5, wherein in the step of forming the biocellulose coating layer, the following steps are repeatedly performed: immersing the carrier body to the biocellulose culture solution; and exposing the carrier body to the outside of the biocellulose culture solution. The method for manufacturing a carrier with a biocellulose coating layer as described in claim 5, wherein the through holes are formed by at least any one of acupuncture, knife cutting and laser perforation.

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