KR20150082792A - Mesh derived from natural fiber and hydrogel mask using the same - Google Patents

Abstract

The present invention relates to a mesh manufactured by intermingling 80-99 wt% of a natural corn fiber (PLA fiber) with 1-20 wt% of one or more fiber selected from a fiber group composed of natural cellulose extracted from a needleleaf tree (soft wood pulp), tencel which is a cellulose regenerated fiber and viscose rayon which is a cellulose regenerated fiber or manufactured by only the natural corn fiber and a hydrogel mask using the mesh as a support. The mesh composed of a naturally derived ingredient according to the present invention has a little looseness and no stiffness when being elongated, so the present invention has effects of enhancing dimensional stability of a pack mask using the mesh as the support and adhesiveness to a face skin; minimizing skin stimulation; and providing the mesh for an eco-friendly hydrogel mask.

Description

[0001] The present invention relates to a mesh composed of a natural-derived component and a hydrogel mask using the same as a support,

The present invention relates to a mesh composed of a naturally occurring component and a hydrogel mask using the same as a support. More particularly, the present invention relates to a soft wood pulp extracted from softwood, Tencel, a cellulose regenerating fiber, The present invention relates to a mesh prepared by mixing natural corn fiber (PLA fiber) with at least one fiber selected from the group consisting of rayon and natural corn fiber, and a hydrogel mask using the mesh as a support.

A cosmetic mask is manufactured by immersing a cosmetic material on a mask sheet made of a nonwoven fabric or the like. The cosmetic mask is attached to the face to supply a cosmetic ingredient of the cosmetic to the skin, thereby moisturizing the skin, It is a kind of functional cosmetics that provides cleansing effect that cleans and cleanses the skin, restores the physiological function of the skin, and maintains elasticity of the skin.

Hydrogel is a three-dimensional hydrophilic polymer network with purified water as a dispersion medium. It has the ability to absorb a large amount of water and has the same flexibility as a natural tissue.

In addition, hydrogels can be added with intelligent release properties that control the delivery of the contained material and new functions such as pH, temperature, electric field, and irritation to the light and swelling or shrinking.

Hydrogels with these properties are widely used in the pharmaceutical industry as well as in beauty and biomedical applications because of their structure similar to human cell matrix, inert biocompatibility, elasticity such as rubber, permeability of oxygen and nutrients.

In recent years, a mask pack has been developed which is improved in moisturizing, nutritional supply or exfoliation effect by utilizing elasticity, skin adhesion, and soft touch of a hydrogel.

In order to maintain the shape of such a mask pack, a mesh-shaped fiber is used as a support, and polyester and nylon fabrics have been widely used as a mesh material.

However, such polyester and nylon fabrics are not suitable for stretching and restoring force when they are stretched, and they are stiff, which hinders the adhesion of the pack mask to the facial skin, which is used as a support, and the fabric of the polyester and nylon is chemically It is possible to cause skin troubles due to skin irritation when using a mask pack using the mask pack as a support, and there is a problem that environmental pollution occurs because it is not easily decomposed in nature when disposing.

The present invention has been conceived to solve the problems of the prior art, and it is an object of the present invention to provide a mask for packs, which is stretched and restored when stretched and is not stiff, The present invention provides a mesh for a mask pack that minimizes irritation and is environmentally friendly.

Another object of the present invention is to provide a hydrogel mask using the mask for a mask pack as a support.

In order to attain the above object, the present invention provides a method for producing a fiber-reinforced composite fiber comprising at least one fiber selected from the group consisting of soft wood pulp extracted from conifer, Tencel cellulose regenerated fiber, viscose rayon, (PLA fibers). ≪ / RTI >

Here, the sieving percentage of the mesh composed of the naturally-occurring component is selected from the group consisting of soft wood pulp extracted from softwood, Tencel (cellulose regenerated fiber), viscose rayon (cellulose regenerated fiber) To 20% by weight of natural corn fiber and 80 to 99% by weight of natural corn fiber (PLA fiber).

The present invention also provides a mesh consisting solely of natural corn fibers (PLA fibers).

In addition, the present invention provides a hydrogel mask using a mesh composed of the naturally occurring components as a support.

The mesh composed of the naturally occurring component of the present invention is suitable for stretching and restoring force when stretched and is not stiff, so that the pack mask using the pack mask as a support improves the adhesion to the skin of the face, minimizes skin irritation, .

The details of the present invention will be described in detail as follows.

Regarding the natural cellulose extracted from the conifer of the material constituting the mesh of the present invention, the soft wall is made of soft wood pulp because the cell wall is thin, so that the barn is quickly collapsed during the papermaking process. The softwood pulp contains a large amount of? -Cellulose, so that a fiber having excellent skin adhesion can be obtained.

Regenerated cellulose is a fiber obtained by dissolving natural cellulose and regenerated, and has excellent absorbency.

In particular, tencel, a cellulose regenerating fiber, is named "high tenacity cellulose fiber" and is a dope made by dissolving cellulose in a non-toxic solvent, N-methylmorpholine N-oxide (abbreviated as NMMO or NMO) Lt; RTI ID = 0.0 > NMMO < / RTI >

The tencel maintains high strength even when absorbing or drying, so it does not tear well, has excellent elasticity and durability, and does not wrinkle, and shrinkage hardly occurs during washing with water.

In addition, it is absorbent, breathable, and antibacterial, and feels soft and comfortable, and is suitable for sensitive skin. It is biodegradable after 6 weeks when it is buried in soil.

Viscose rayon, a cellulose regenerating fiber, is produced by making viscous viscose solution by applying caustic soda and disulfuric carbon to dissolved pulp which contains a large amount of α-cellulose component among wood pulp, injecting the solution through a thin nozzle It is made by binding again with fibrin molecule and is soft and has good absorbency.

Natural corn fiber (PLA fiber) is made by condensing lactic acid to make low molecular weight polylactic acid (PLA), and connecting this low molecular weight PLA with coupling agent It is made from PLA of molecular weight, or it is made from PLA of high molecular weight which is obtained by converting lactic acid into lactide and ring-opening polymerization of lactide.

The raw material of PLA is potato or corn, and corn fiber is obtained as a by-product in the process of making ethanol mainly from corn kernel, and corn resin is extracted from the corn fiber, and this corn resin is used as the main ingredient of PLA.

Natural corn fiber (PLA fiber) is a protein-based regenerated fiber, harmless to human body, excellent in antimicrobial property and absorbency, and has soft touch.

Natural corn fibers (PLA fibers) are also biodegradable fibers like tencel and are completely degraded by microorganisms over a period of two to three years in the soil.

 The mesh consisting of the naturally occurring component of the present invention may comprise from 1 to 20% by weight of one or more fibers selected from the group consisting of soft wood pulp extracted from conifer, Tencel cellulose regenerated fiber, viscose rayon, And 80 to 99% by weight of natural corn fiber (PLA fiber), or only natural corn fiber (PLA fiber).

 When the content of the natural corn fiber is less than 80% by weight in the mesh composed of the naturally-occurring component of the present invention, the strength of the fabric is low due to the elongation or tear of the fabric, which does not serve as a support capable of supporting the hydrogel mask.

The mesh composed of the naturally occurring component of the present invention is suitable for stretching and restoring force when stretched and is not stiff, so that the pack mask using the pack mask as a support improves the adhesion to the skin of the face, minimizes skin irritation, Lt; / RTI >

Hereinafter, the present invention will be described more specifically by way of examples, but the present invention is not limited to these examples.

[Preparation Example 1] Preparation of mesh

The meshes of Examples 1 to 7 and Comparative Example 1 shown in Table 1 below were prepared by mixing natural cellulose, tencel, viscose fiber and natural corn fiber with each other, , The polyester fiber of Comparative Example 3, and the nylon fiber were each commercially available.

(Unit: wt%) Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Comparative Example 1 Comparative Example 2 Comparative Example 3 natural
cellulose
20
-
-
10
10
-
-
30
-
- TENCEL - 20 - 10 - 10 - - - - Viscose fiber
-
-
20
-
10
10
-
-
-
- natural
Corn fiber
80
80
80
80
80
80
100
70
-
- Polyester
-
-
-
-
-
-
-
-
100
- nylon - - - - - - - - - 100

[Test Example 1]

The meshes of Examples 1 to 7 and Comparative Examples 1 to 3 were subjected to a physical property test. The physical property test was performed by elongation measurement according to ASTM D3107 / 80 method. The elongation according to ASTM D3107 / 80 method was calculated from the following equation (1): febric stretch (%) and febric growth (% ).

Here, A: length of the fabric before stretching

        B: Length of fabric stretched by applying 1800g of force to this fabric

        C: When the force applied to the stretched fabric is removed, the last path back to the original state

The results of physical properties of the mesh fabrics of Examples 1 to 7 and Comparative Examples 1 to 3 are shown in Table 2 below, wherein FS means febric stretch and FG means febric growth,

The MD direction refers to the machine direction and corresponds to the direction in which the mesh fabric is processed in the machine. The CD direction refers to the cross-machine direction. Refers to a direction orthogonal to the processing direction of the mesh fabric in the machine.

division Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Comparative Example 1 Comparative Example 2 Comparative Example 3 FS (%)
MD 35 34 34 35 34 34 40 32 30 28 CD 100 100 100 98 98 98 110 90 80 82 FG (%)
MD 15 15 15 14 14 14 17 32 30 28 CD 30 29 29 30 29 29 31 45 40 42

As can be seen from Table 2, in the febric stretch (FS) test, the MD elongation percentage of Examples 1 to 7 was 35 to 40%, which was larger than 28 to 32% of Comparative Examples 1 to 3 and the CD elongation percentage was 98 to 110% The MD elongation percentage of Examples 1 to 7 was 14 to 17%, which was smaller than 28 to 32% of Comparative Examples 1 to 3, and the CD elongation percentage 29 to 31%, which is smaller than 40 to 45% of Comparative Examples 1 to 3, the mesh fabrics of Examples 1 to 7 according to the present invention are relatively well stretched when stretched compared to the mesh fabrics of Comparative Examples 1 to 3 The restoring force that returns to the original length state when the stretching force is released is relatively moderately large so that the physical properties of the natural mesh fabric according to the present invention are advantageous for improving the skin adhesion of the hydrogel mask supported by the natural mesh of the present invention .

[ Manufacturing example  2] Sheet Mask Manufacturing

The mask contents solution (hydrogel composition) was prepared with the composition shown in Table 3 below.

division Raw material name Content (% by weight) One Purified water 72.77 2 Disodium iodide 0.02 3 glycerin 10.00 4 Butylene glycol 10.00 5 Carrageenan / Carp baking soda 2.00 6 Cellulose sword 0.20 7 Incrementer 0.20 8 Glyceryl stearate 0.30 9 Caprylic / capric triglyceride 2.00 10 vegetable oil 2.00 11 antiseptic 0.50 12 Spices 0.01

≪ Method for producing mask contents solution (hydrogel composition) >

(1) In the main kiln, add raw materials 1 to 3 in order and heat (75 to 80 ° C).

(2) Raw materials 5 to 7 are dispersed in the raw material 4, and the mixture is heated and melted in the main kiln.

(3) Put 8 ~ 10 raw materials in order into the auxiliary kiln and heat them (75 ~ 80 ℃).

(4) Production Process The raw material of the production process (3) is put into the main kiln into which the raw materials of (1) and (2) are introduced, and primary emulsified.

(5) The raw materials 11 and 12 are added to the raw materials of the production process (4) and secondary emulsified.

(6) Vacuum, degassed, filtered and stored.

≪ Method for producing hydrogel mask >

(1) The above-prepared hydrogel composition was coated on the meshes of Examples 1 to 7 and Comparative Examples 1 to 3.

(2) A hydrogel mask is completed by piercing.

[Test Example 2]

To evaluate adhesion, skin irritation, and overall satisfaction during use of the hydrogel mask using the meshes of Examples 1 to 7 and Comparative Examples 1 to 3 as a support, the test was applied to 50 healthy female subjects. .

unit; Number of people division A feeling of close contact  good Has skin irritation Overall satisfaction Example 1 8 One 8 Example 2 7 2 8 Example 3 7 2 8 Example 4 5 3 5 Example 5 5 2 5 Example 6 4 2 4 Example 7 4 4 4 Comparative Example 1 3 8 4 Comparative Example 2 3 13 2 Comparative Example 3 4 13 2

As can be seen from Table 4, the hydrogel masks using the meshes of Examples 1 to 7 according to the present invention as a support exhibited excellent adhesiveness, skin irritation, and overall satisfaction with hydrogel masks using the meshes of Comparative Examples 1 to 3 as supports As shown in Fig.

Claims (5)

In a mesh used as a support for a hydrogel mask,
Characterized in that one or more fibers selected from the group consisting of soft wood pulp extracted from softwood, Tencel (cellulose regenerated fiber), and viscose rayon (cellulose regenerated fiber) and natural corn fiber (PLA fiber) are mixed Which consists of natural derived ingredients. The method according to claim 1,
1 to 20 weight percent of one or more fibers selected from the group consisting of soft wood pulp extracted from softwood, Tencel cellulose regenerating fiber, viscose rayon cellulose regenerating fiber, % Of natural corn fiber (PLA fiber) and 80 to 99 wt% of natural corn fiber (PLA fiber). In a mesh used as a support for a hydrogel mask,
Characterized in that it is composed of only natural corn fiber (PLA fiber). A hydrogel mask characterized by using a mesh composed of a naturally occurring component according to claim 2 as a support. A hydrogel mask characterized by using a mesh composed of a naturally occurring component according to claim 3 as a support.