KR101819183B1

KR101819183B1 - Functional hydrogel pack comprising natural fiber and method for preparing the same

Info

Publication number: KR101819183B1
Application number: KR1020160031808A
Authority: KR
Inventors: 이향렬; 정경환; 문기성; 김준섭; 주지혜; 이상혁
Original assignee: (주)네츄라바이오
Priority date: 2016-03-17
Filing date: 2016-03-17
Publication date: 2018-01-16
Also published as: KR20170108240A

Abstract

The present invention relates to a functional hydrogel pack in which natural cotton is introduced to increase tensile strength and moisturizing property, and a method for producing the functional hydrogel pack.
INDUSTRIAL APPLICABILITY The hydrogel pack of the present invention has natural tensile strength, moisturizing power, little skin irritation, no side effects, and can be used in the manufacture of packed products in various fields.
According to the manufacturing method of the present invention, it is possible to effectively manufacture a hydrogel pack having excellent tensile strength and moisturizing effect by a simple and economical process of mixing a natural cotton fiber and a water-soluble polymer mixture in an agitating-cutting apparatus have.

Description

Technical Field [0001] The present invention relates to functional hydrogel packs and methods for preparing the functional hydrogel packs,

The present invention relates to a functional hydrogel pack in which natural cotton is introduced to increase tensile strength and moisturizing property, and a method for producing the functional hydrogel pack.

In modern man, appearance is recognized as an important element representing individual image, and interest in skin care is getting higher and higher.

In recent years, cosmetic materials made of environmentally friendly natural materials rather than skin care cosmetic materials made of artificial synthetic materials have attracted attention because they do not cause skin irritation. Accordingly, interest in the development of beauty materials utilizing natural materials has been greatly increased, and various types of cosmetics utilizing the various materials have been developed to utilize the materials that are effective in enhancing skin beauty.

In order to overcome the disadvantages of the nonwoven fabric pack, a conventional pack has been produced by adding a lotion or a functional extract to a synthetic material such as a nonwoven fabric. However, A pack made of gel is produced.

A hydrogel is a hydrophilic polymer prepared by using water as a dispersion medium and capable of maintaining a three-dimensional shape without dissolving or dissociating in a sufficient amount of water. The hydrogel is an extracellular matrix of the human body, It has a very similar structure, excellent biocompatibility and viscoelastic properties, and excellent oxygen and nutrient permeability. In addition, the hydrogel can be made of various polymers, and has the advantages of non-toxicity, excellent biocompatibility, high water content, excellent mechanical properties, and easy processability.

However, when the hydrogel pack is weak in strength and thin in thickness, the hydrogel pack is torn well. In order to compensate for the thickness, the thick gelatin pack has a problem in that it can not sufficiently supply nutrients useful for skin due to its thickness, It is easy to dry and the moisture retention characteristics are somewhat deteriorated.

Korean Patent Laid-Open No. 10-2014-0105426 (published on 2014.09.01) Korean Patent Laid-Open No. 10-2016-0024737 (Publication date: 2016.03.07) Korean Patent Laid-Open No. 10-2009-0066868 (published on June 24, 2009)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to provide a method of manufacturing a hydrogel pack having sufficient tensile strength and moisturizing power.

In order to accomplish the above object, the present invention provides a functional hydrogel pack into which natural fibers including a cotton fiber and a water-soluble polymer having a length of 0.1 to 3 cm and a diameter of 10 to 30 μm are introduced.

The hydrogel pack may include 0.01 to 0.5% by weight of a cotton fiber, and 1 to 10% by weight of a water-soluble polymer.

The length of the cotton fiber is 0.5 to 2 cm.

In addition, the water-soluble polymer includes at least one selected from the group consisting of carob bean gum, agar, gelatin, carrageenan, xanthan gum, guar gum, polyacrylamide resin and polyvinyl alcohol resin.

In addition, the hydrogel pack may further include at least one selected from the group consisting of a whitening agent, a moisturizing agent, a wrinkle-reducing agent, an aging agent, a surfactant, an antiseptic, a crosslinking agent and an essential oil.

Further, the hydrogel pack has a thickness of 0.2 to 15 mm.

The hydrogel pack may be a mask pack, an eye patch, a nail patch, a lip patch, a body patch, an elbow patch, or a partial patch applied to a specific site.

The present invention also provides a method for producing a water-soluble polymer, comprising: (a) stirring and cutting a mixture comprising a water-soluble polymer and a cotton fiber; (b) heating the mixture stirred and cut in step (a) to a temperature of 70 ° C or higher; And (c) cooling the mixture heated in the step (b).

According to the functionalized hydrogel pack according to the present invention, a natural cotton fiber is introduced, which is excellent in tensile strength and moisturizing power, has little skin irritation, has no side effects, It is available.

In addition, according to the method for producing a functional hydrogel pack according to the present invention, a simple and economical process of mixing a natural cotton fiber and a water-soluble polymer mixture in an agitating-cutting apparatus, Can be effectively produced.

FIG. 1 is an actual image of a hydrogel mask pack prepared by the method of (a) Comparative Example 1 and (b) Example 2. FIG.
2 is a microscope image (magnification of 600) of a surface of a hydrogel mask pack manufactured by the method according to the second embodiment.
3 is a graph showing the tensile strengths of the hydrogel mask packs prepared by the methods according to Examples 1 and 2 and Comparative Example 2. FIG.

Hereinafter, the present invention will be described in detail.

The present invention provides a functional hydrogel pack into which natural fibers containing a cotton fiber and a water-soluble polymer having a length of 0.1 to 3 cm and a diameter of 10 to 30 μm are introduced.

The hydrogel pack according to the present invention can be used as a support for a hydrogel pack because it can maintain a certain level of elasticity and strength without stimulating the skin by using a cotton fiber, which is a natural material made of cotton, as a support Do.

The cotton fiber may be cut by various methods so that sufficient mechanical properties can be imparted to the hydrogel pack, and a length of 0.1 to 3 cm may be used. If the length of the cotton fiber is less than 0.1 cm, the effect of increasing the tensile strength of the hydrogel pack by the cotton fiber may be insignificant. If the length of the cotton fiber exceeds 3 cm, uniform dispersion is difficult. The length of the cotton fiber is preferably 0.5 to 2 cm.

The hydrogel pack may include 0.01 to 0.5% by weight of a cotton fiber.

As described above, the addition amount of the cotton fiber is limited because, if the cotton fiber is used in an amount of less than 0.01% by weight, it is difficult to expect the improvement effect of the tensile strength and moisturizing property. If the cotton fiber is used in an amount of more than 0.5% by weight, There may be a problem, more preferably 0.1 to 0.3% by weight.

In addition, the hydrogel pack may be configured to contain 1 to 10% by weight of the water-soluble polymer.

When the water-soluble polymer is used in an amount of less than 1% by weight, the prepared hydrogel pack has mechanical properties such as mechanical strength and mechanical strength. The water-soluble polymer is excellent in water solubility, viscosity and adsorptivity, If the content exceeds 10% by weight, the viscosity of the prepared solution is too high to handle, and the water-soluble polymer is not uniformly mixed, so that the hydrogel pack is made non-uniformly And more preferably 2 to 4% by weight of the water-soluble polymer.

The water-soluble polymer may be a carbo-brown bean gum, agar, gelatin, carrageenan, xanthan gum, guar gum, polyacrylamide resin, polyvinyl alcohol resin or a mixture thereof.

It has an effect of increasing the moisturizing power of the black skin and imparting an emulsifying stabilizer, a water-soluble thickener and a fragrance, hardly changes in viscosity due to xanthan gum, alkali, salts, etc., , And carrageenan is a polysaccharide having antimicrobial action and immunity enhancing action, and is effective as a gelling agent and a stabilizer, and can be constituted to be included in a hydrogel pack. The guar gum, agar, polyacrylamide resin and polyvinyl alcohol resin can increase the viscosity, improve the emulsion stability, and improve the physical properties and feel of the emulsion. There is an effect to improve the water resistance and can be constituted so as to be included in the hydrogel pack.

In addition, the hydrogel pack according to the present invention may further contain a whitening agent, a moisturizing agent, a wrinkle improving agent, an aging agent, a surfactant, a preservative, a crosslinking agent, an essential oil or a mixture thereof in order to exhibit physical properties and effects corresponding to a desired effect . &Lt; / RTI >

Examples of the whitening agent, moisturizing agent, and wrinkle remover include materials extracted from natural materials, such as albutin and lucinol as a whitening agent. Typical examples of the whitening agent include squalene, glycerin and glucose, Examples of the wrinkle-reducing agent include cormorant extract, pineapple and coconut extract, and Chinese cabbage extract. Examples of the wrinkle-reducing agent include a whitening effect and a hydrogel pack supplying oil and nutrition to dry the skin So that it can be configured to be additionally included.

The moisturizing agent may be configured to apply a mucous substance including a polysaccharide such as maple extract or seaweed extract to the surface to enhance adhesion properties, moisturizing power, and skin regeneration ability of the hydrogel pack.

Further, the hydrogel pack has a thickness of 0.2 to 15 mm.

The hydrogel pack according to the present invention may be formed to a thickness of 0.2 to 15 mm.

If the hydrogel pack is formed to a thickness of 0.2 mm or less, the mechanical strength of the hydrogel pack is hardly maintained. If the hydrogel pack is formed to a thickness of 15 mm or more, the weight of the hydrogel pack may increase, , It is preferable to have a thickness in the above-mentioned range.

For example, the hydrogel pack can be shaped into a variety of shapes using a shape-frame knife, and can be cut into a face shape, an eye patch, or the like.

Therefore, the above-mentioned hydrogel pack can be effectively used for a mask pack, an eye patch, a nail patch, a lip patch, a body patch, a neck patch, an elbow patch or a partial patch applied to a specific site for skin improvement.

The present invention also provides a method for producing a water-soluble polymer, comprising: (a) stirring and cutting a mixture comprising a water-soluble polymer and a cotton fiber; (b) heating the mixture stirred and cut in phase (a) to a temperature above 70 ° C; And (c) cooling the mixture heated in the step (b).

Specifically, the step (a) is a step of stirring and cutting a mixture containing a water-soluble polymer and a cotton fiber. In this step, a mixture of an aqueous solution containing a water-soluble polymer and a cotton fiber is prepared, Is fed to a cylindrical stirring-cutting apparatus such as a blender and then agitated at a constant speed and for a predetermined period of time to cut off the coarse cotton fibers and to uniformly disperse the cotton fibers together with the water-soluble polymer in the mixture.

In the step (b), the mixture stirred and cut as described above may be heated to a temperature of 70 ° C or higher to completely dissolve the water-soluble polymer to prepare a uniformly dispersed mixture.

The step (c) is a step of cooling the mixture thus heated, wherein the heated mixture is cooled to form a crosslinked gel of a water-soluble polymer, and the cotton fiber is uniformly dispersed in a gel state A hydrogel pack can be prepared.

According to the functional hydrogel pack to which the natural fiber according to the present invention as described above is introduced, a cotton fiber, which is a material obtained from natural materials, is used without using a net made of a nonwoven fabric or a synthetic resin which may have a problem in terms of biocompatibility and safety , Tensile strength and moisturizing power, less irritation to the skin, and no side effects, so that it can be used in the manufacture of packed products in various fields.

In addition, according to the method for producing a functional hydrogel pack according to the present invention, a hydrogel pack having excellent tensile strength and moisturizing effect can be effectively manufactured by a simple and economical process of mixing a natural cotton fiber and a water-soluble polymer mixture in a stirring- can do.

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

The embodiments presented are only a concrete example of the present invention and are not intended to limit the scope of the present invention.

&Lt; Example 1 >

Ceratonia Siliqua Gum, Hi gel 20D, Biogel Mix and cotton wool were mixed in the compositions shown in Table 1 below, and distilled water was added to make the total amount 100% to prepare a mixture. The prepared mixture was put into a mixer, stirred vigorously to a solid state, heated in a microwave oven to liquefy the mixture, and then cooled at room temperature to prepare a hydrogel pack having a diameter of 1 mm.

&Lt; Example 2 >

A hydrogel pack was prepared in the same manner as in Example 1, except that the composition shown in Table 1 was mixed with 0.3% by mass of cotton.

&Lt; Example 3 >

A hydrogel pack was prepared in the same manner as in Example 1, except that the cotton wool having an average length of 0.5 cm was mixed in an amount of 0.1%.

<Example 4>

A hydrogel pack was prepared in the same manner as in Example 1, except that 0.1% of cotton was mixed with cotton wool having an average length of 1 cm.

&Lt; Example 5 >

A hydrogel pack was prepared in the same manner as in Example 1, except that a cotton wool having an average length of 2 cm was mixed in an amount of 0.1%.

&Lt; Example 6 >

A hydrogel pack was prepared in the same manner as in Example 1, except that 0.1% of cotton was mixed with cotton wool having an average length of 3 cm.

&Lt; Comparative Example 1 &

A hydrogel pack was prepared in the same manner as in Example 2 except that the prepared mixture was stirred in hot water instead of a blender and heated to liquefy the mixture with the composition shown in Table 1 above.

&Lt; Comparative Example 2 &

A hydrogel pack was prepared in the same manner as in Example 1, except that the cotton wool was not mixed with the composition shown in Table 1 above.

EXPERIMENTAL EXAMPLE 1 Analysis of dispersion characteristics of cotton fiber in a hydrogel pack

In order to analyze the characteristics of the cotton fibers dispersed in the manufactured hydrogel packs, the dispersion characteristics of the cotton swabs contained in the hydrogel packs of Example 2 and Comparative Example 1 were analyzed, and the results are shown in FIG.

As shown in Fig. 1 (a), in the case of Comparative Example 1, it was confirmed that the cotton wool was not uniformly dispersed without being agitated by a mixer, 2, it can be confirmed that the cotton swab is uniformly and well dispersed in the hydrogel pack.

Further, in the hydrogel pack according to Example 2, the hydrogel pack according to Example 2 was observed using a microscope (600 magnification) in order to precisely analyze the degree of dispersion of the cotton swabs. As a result, , It was confirmed that the cotton fiber was uniformly dispersed in the hydrogel pack.

<Experimental Example 2> Analysis of moisture evaporation amount

The hydrogel packs of Examples 1 and 2 and Comparative Example 2 were dried at 70 DEG C for 100 minutes in order to analyze the moisture retention of the hydrogel packs thus prepared to measure the moisture evaporation amount of the hydrogel packs, The results are shown in Table 2 below.

As shown in Table 2, it was confirmed that the amount of water evaporated as the amount of the cotton wool increased, and that the moisture retention of the hydrogel pack was increased due to the addition of cotton wool And it was found.

&Lt; Experimental Example 3 > Mechanical characteristics analysis

In order to analyze the change in the mechanical properties of the hydrogel pack due to the addition of the cotton fiber, tensile strengths of the hydrogel packs of Examples 1 and 2 and Comparative Example 2 were measured under the conditions shown in Table 3 below. 4.

As shown in FIG. 4, the relative tensile strength of the prepared hydrogel pack was increased by about 20% as compared with the hydrogel pack according to Comparative Example 2 in which the cotton fabrics were not added as the cotton fabrics increased in the content of 0.1 to 0.3% .

In order to analyze the influence of the length of the cotton fiber on the tensile strength of the hydrogel pack, tensile strength changes of the hydrogel packs according to Examples 3 to 6 and Comparative Example 2 were measured under the conditions shown in Table 4 below.

As a result, as shown in Table 4, in comparison with Comparative Example 2 in which no cotton fabrics were added, in Example 3 in which a cotton cloth having an average length of 0.5 cm was added, a cotton cloth with an average length of 1 cm was added In Example 4, tensile strength increased significantly up to 140%. However, when the average length of the cotton fabrics is increased to 2 cm or more according to the manufacturing method, the degree of uniform dispersion of the cotton fabrics may be reduced and the tensile strength may be slightly reduced as compared with the case of the hydrogel pack of Example 4 , Indicating that the optimal length of the cotton fiber to maximize the tensile strength of the hydrogel pack was approximately 1 cm.

As a result of the above-mentioned results, it was confirmed that the functional hydrogel pack into which the natural fiber according to the present invention was introduced had natural tensile strength and moisturizing ability due to the introduction of natural fiber, there was.

Further, by using the above-described method, it is possible to effectively manufacture a hydrogel pack having excellent tensile strength and moisturizing effect by a simple and economical process of mixing a natural cotton fiber and a water-soluble polymer mixture in a stirring-cutting apparatus .

Claims

A functional hydrogel pack into which natural fibers including a cotton fiber and a water-soluble polymer having a length of 0.5 to 2 cm and a diameter of 10 to 30 占 퐉 are introduced.

The method according to claim 1,
0.01 to 0.5% by weight of a cotton fiber, and 1 to 10% by weight of a water-soluble polymer.

delete

The method according to claim 1,
Wherein the water-soluble polymer comprises at least one selected from the group consisting of a carob bean gum, agar, gelatin, carrageenan, xanthan gum, guar gum, polyacrylamide resin and polyvinyl alcohol resin.

The method according to claim 1,
Wherein the hydrogel pack further comprises at least one member selected from the group consisting of a whitening agent, a moisturizing agent, a wrinkle improving agent, an increasing agent, a surfactant, an antiseptic, a crosslinking agent and an essential oil.

The method according to claim 1,
Wherein the thickness of the hydrogel pack is 0.2 to 15 mm.

The method according to claim 1,
A mask pack, an eye patch, a nail patch, a lip patch, a body patch, an elbow patch, or a partial patch applied to a specific site.

(a) cutting a mixture comprising a water-soluble polymer and a cotton fiber having a diameter of 10 to 30 占 퐉 with stirring and a cotton fiber length of 0.5 to 2 cm;
(b) heating the mixture stirred and cut in step (a) to a temperature of 70 ° C or higher; And
(c) cooling the mixture heated in step (b).