KR20190035174A - Fibrous Nonwoven Fabric For Mask Pack - Google Patents

Abstract

The present invention relates to a fibrous non-woven fabric which is a spun lace non-woven fabric in which 10 to 90 wt% of polyester short fibers and 90 to 10 wt% of natural fibers are stream-bridged, wherein the polyester short fibers are one of circular cross-section fibers, modified cross-section hollow fibers, or mixed fibers thereof, and the natural fibers are one of cotton fibers, cellulose fibers, rayon fibers, bamboo fibers, pulp fibers or mixed fibers thereof. In addition, the fibrous non-woven fabric has improved moisturizing power and the weight thereof is light.

Description

{Fibrous Nonwoven Fabric For Mask Pack}

The present invention relates to a mixed nonwoven fabric for a mask pack, more specifically, a mixed cotton nonwoven fabric for a mask pack having improved skin adhesion and skin moisturizing ability by mixing natural fibers and PET short fibers or PET hollow fibers with cross-linked hollow short fibers.

In general, a nonwoven fabric is a sheet-like fabric made by bonding or entangling mechanical, chemical, or thermal fiber aggregates without going through a process of weaving, weaving, or knitting, in which the fibers are in the form of a thin felt having arranged in parallel, Of the web is bonded with an adhesive, or the thermoplastic fibers are mixed in the web, and they are melted and combined by heating or the like.

Such nonwoven fabrics have been used as wicks and filter cloths and have been used extensively. They have been widely used in industrial fields such as industrial food containers, plastic reinforcing materials, heat and electric insulation materials, bubble for covering products, export bags, bandages as sanitary materials, The use of such materials has been expanding to include diapers, sanitary covers, bibs, napkins, tablecloths, towels, curtains, upholstery, interior trimmers, medical wicks, batts, petticoats, And is conventionally widely used for a sheet for a beauty mask pack.

The conventional sheet for a beauty mask pack uses cellulose fiber, which is a kind of natural fiber mainly composed of nonwoven fabric. Cellulosic fiber is a relatively low-cost natural polymer, which is not only harmless to human body but also has good water absorbing power, but the diameter of the yarn making up the sheet is relatively large and the surface is rough and the skin adhesion is poor. In addition, there is a problem that the effect of the beauty mask pack is reduced by half due to the floating phenomenon between the skin and the sheet.

In order to solve the problem of the adhesion, there has been an attempt to improve the adhesion by partially reducing the raw weight of the nonwoven fabric sheet to reduce the thickness of the mask pack sheet, or by separately performing chemical post-processing on the sheet fabric.

However, due to the lowered sheet weight and the added post-processing, the tensile strength of the sheet is lowered and the elongation is increased, so that the sheet having the cosmetic liquid easily tears or stretches during use, making the use of the mask pack inconvenient. The time is shortened and the drying speed of the sheet is increased, thereby shortening the use time of the mask pack.

It is an object of the present invention to provide a nonwoven fabric for a mask pack, which is composed of fine diameters and has a soft surface and a high specific surface area without any additional processing, and is excellent in skin adhesion and polyester short fibers of fine unevenness structure are mixed with natural fibers.

In addition, the present invention aims to improve moisture resistance by securing a space between fibers of a nonwoven fabric and to provide a low-weight nonwoven fabric by mixing polyester short fibers with modified hollow fibers.

In order to solve the above problems, the present invention provides a spunlaced nonwoven fabric comprising 10 to 90% by weight of polyester short fibers and 90 to 10% by weight of natural fibers entrained with water, wherein the polyester short fibers are circular- A cross-section hollow fiber, or a mixed fiber thereof. The natural fiber may be a cotton fiber, a cellulose fiber, a rayon fiber, a bamboo fiber, a pulp fiber or a mixed fiber thereof.

Also, the present invention provides a mixed fiber non-woven fabric for a mask pack, wherein the circular-section fibers have a fineness of 0.1 to 0.7 denier and a fiber length of 20 to 70 mm.

In addition, the present invention provides a mixed fiber nonwoven fabric for a mask pack, characterized in that the modified hollow fiber has a multi-leaf structure and has four or more lobe structures.

In addition, the present invention provides a mixed fibrous nonwoven fabric for a mask pack, wherein the modified hollow fiber has a fineness of 1 to 10 denier and a fiber length of 20 to 70 mm.

In addition, the present invention provides a mixed fibrous nonwoven fabric for a mask pack, characterized in that the basis weight of the mixed nonwoven fabric for a mask pack is 40 to 100 gsm.

The present invention includes a polyester short fiber having a fine concavo-convex structure, which is characterized by a smooth surface and a high specific surface area without any additional processing, and the nonwoven fabric for a mask pack mixed with natural fibers is excellent in skin adhesion.

In addition, the present invention aims to improve moisture resistance by securing a space between fibers of a nonwoven fabric and to provide a low-weight nonwoven fabric by mixing polyester short fibers with modified hollow fibers.

Fig. 1 is a cross-sectional view of a cross-section hollow fiber in a polyester short fiber in the constitution of the present invention. Fig.
2 is a schematic diagram for testing the adhesion function.

Hereinafter, preferred embodiments of the present invention will be described in detail. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

As used herein, the terms " about, " " substantially, " " etc. ", when used to refer to a manufacturing or material tolerance inherent in the stated sense, Accurate or absolute numbers are used to help prevent unauthorized exploitation by unauthorized intruders of the referenced disclosure.

The present invention relates to a mixed nonwoven fabric for a mask pack, which is a spunlaced nonwoven fabric in which 0 to 90% by weight of polyester short fibers and 90 to 10% by weight of natural fibers are entangled.

Wherein the polyester short fibers are any one of a circular cross-section fiber, a hollow cross-section hollow fiber or a mixed fiber thereof, and the natural fiber is composed of any one of cotton fiber, cellulose fiber, rayon fiber, bamboo fiber, pulp fiber, .

The method for producing a spunlaced nonwoven fabric according to the present invention can be produced by carding the polyester short fibers and the natural fibers, followed by hybridization to form a web, and water punching the web. At this time, the water punch can proceed by supplying water at a water pressure of 70 to 350 bar.

In this manufacturing method, the web may be further needle punched after forming the web and before water punching. By the addition of the needle punching process, the degree of fibrillation of the staple fibers can be further increased, so that it is possible to exhibit further improved strength, moisturizing power, and skin adhesion as having lower air permeability and smaller size pores. The specific proceeding method and conditions of the needle punching step are in accordance with a conventional method for producing a spunlaced nonwoven fabric.

In the manufacturing method, in the water punching step, the web may be water punched first (preliminary water punching) at a water pressure of 50 to 150 bar, then water punching at a water pressure of 70 to 350 bar Water punch). At this time, in the main step, the water punch is performed at a higher water pressure in the preliminary step. In this way, by performing the preliminary water punching step of water punching the web with a low water pressure, it is possible to suppress loss or damage of the aramid fibers constituting the web by suddenly water punching the web with a high water pressure, Can be effectively fibrillated.

In the manufacturing method, water punching is preferably performed on both sides of the web in the water punching step. As a result, the degree of fibrillation of the para-aramid staple fibers can be further increased.

The circular cross-section fiber of the present invention is characterized by a fineness of 0.1 to 0.7 denier and a fiber length of 20 to 70 mm. When the short fibers having three finenesses such as the fineness are included, the softness of the nonwoven fabric is good and the pore size, which is the space between the fibers, is small, so that the absorbency and retention And the moisturizing effect that can supply the continuous cosmetics to the skin is improved.

Further, the short fibers of the three finenesses are soft and have a soft feeling because they are soft and have low hardness. In addition, by adjusting the water pressure of the spun lace, natural fibers can be effectively fibrillated, which can double the skin touch.

In the present invention, the constituent fibers of the polyester staple fibers may be used only in the form of hollow fibers having a different shape in addition to the above-mentioned circular cross-section fibers, or a mixture of the two. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view of a modified hollow fiber. The modified hollow fiber has a multi-leaf structure and is characterized by having four or more lobes, and the lobes are not all of the same shape, and their protruding length and width do not overlap.

The modified hollow fiber has a fineness of 1 to 10 denier and a fiber length of 20 to 70 mm. The fiber length is the same as that of the circular cross-section fiber, but the fineness is larger. This is because there is a limitation in the size of a hollow structure and a multi-filament structure in production.

However, since the above-mentioned modified hollow fiber is additionally constituted, only the circular cross-sectional fibers are superior to the nonwoven fabric constituted by natural fibers, The feel is improved, and the hollow structure can reduce the basis weight of the nonwoven fabric.

The basis weight of the mixed nonwoven fabric for a mask pack of the present invention is 40 to 100 gsm, and when it is more than 100 gsm, the water content of the cosmetic material can be lowered for the mask pack due to insufficient space between the nonwoven fabric fibers. This cursory cosmetic material is not retained in the mask pack for a long time and flows out to the outside in a short period of time, and the moisturizing power to be supplied to the skin for a long time is deteriorated.

Hereinafter, the structure and effects of the present invention will be described in more detail with reference to specific examples and comparative examples in order to facilitate understanding of the present invention. However, it should be understood that the following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

< Example  1>

50% by weight of a mixed fiber of an average length of 50 mm with a weight ratio of 50 to 50, an average length of 0.5 denier of a short staple fiber and an average length of 50 mm and 5 denier of a cross-section hollow fiber, and 50% by weight of a cotton fiber of natural fiber were opened by a conventional carding method The web was formed. At this time, a web having a level of 80 gsm was formed by laminating using a general cross wrapper.

Then, the web was needle-punched once at a density of about 400 pps in a needle punch machine, and then water was supplied at a water pressure of 200 bar using a nozzle formed with a nozzle diameter of 0.1 mm and a nozzle density of 16 pcs / cm, Punching was conducted to produce a mixed fiber nonwoven fabric for a mask pack of the present invention. At this time, in the water punching step, water was supplied only to one side of the web.

< Example  2 to 3>

The types and characteristics of the fibers are shown in Table 1 below and the manufacturing method is the same as in Example 1. [

< Comparative Example  1 to 2>

The types and characteristics of the fibers are shown in Table 1 below and the manufacturing method is the same as in Example 1. [

* Moisture resistance test

EXAMPLES AND COMPARATIVE EXAMPLES Each of the skin peeling time was obtained by wetting 10 ml of water to a size of 5 cm × 5 cm and attaching it to the face skin of 10 subjects.

* Adhesion test

The nonwoven fabric sheets prepared according to the above Examples and Comparative Examples were molded into a circle having a diameter of 20 cm and then punched out in a round shape having a diameter of 5 cm to be applied to the eyes and the mouth portion. Then, 20 ml of cosmetic liquid (Welkron Healthcare Jeju Camellia (Deerizing essence, beautiful cosmetics Co., Ltd.) impregnated sheet (b) was prepared. The prepared sheet (b) was placed at a temperature of 23 ° C and a humidity of 40% and placed on a test surface at an angle of 130 ° as shown in FIG. 2, and the test was performed until the nonwoven sheet fell off by 50% The time was measured and the results are shown in Table 3.

Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 phrase
castle
island
U Round staple fiber 0.5 denier and fiber length 50 mm (weight ratio 50) 0.5 denier and fiber length 50 mm 0.5 denier and fiber length 50 mm (weight ratio 50) Hollow cross-section hollow fiber 5 denier and fiber length 50 mm (weight ratio 50) 5denier and fiber length 50mm 5 denier and fiber length 50 mm (weight ratio 50) natural
fiber Cotton fiber 50 wt% Cotton fiber 50 wt% Cotton fiber 50 wt% 100% by weight of cotton fiber Basis weight (gsm)
80 80 80 80 80 Moisture resistance (peeling time)
250 minutes 200 minutes 220 minutes 150 minutes 135 minutes Adhesion (detachment time)
30 minutes 25 minutes 26 minutes 15 minutes 18 minutes

Example 1 is a mixed nonwoven fabric for a mask pack in which a polyester short fiber mixed with circular cross-section fibers of three fibers and a mixture of natural fiber cotton fibers is superior in moisturizing property and adhesiveness to a comparative example when the basis weight is the same, 2 is composed of only the circular cross-section fibers or only the modified cross-section hollow fibers of Example 3 is superior to the comparative example.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be clear to those who have knowledge of.

Claims (5)

10 to 90% by weight of polyester short fibers and 90 to 10% by weight of natural fibers are entangled in a spunlace nonwoven fabric,
The polyester staple fiber is any one of a circular cross-section fiber, a cross-section hollow fiber, or a mixed fiber thereof,
Wherein the natural fibers are composed of any one of a cotton fiber, a cellulose fiber, a rayon fiber, a bamboo fiber, a pulp fiber or a mixed fiber thereof.
The method according to claim 1,
Wherein the circular cross-section fiber has a fineness of 0.1 to 0.7 denier and a fiber length of 20 to 70 mm.
The method according to claim 1,
The cross-linked nonwoven fabric for a mask pack characterized in that the modified cross-section hollow fibers have a multi-lobe structure and have four or more lobe structures.
The method according to claim 1,
Wherein the modified hollow fiber has a fineness of 1 to 10 denier and a fiber length of 20 to 70 mm.
The method according to claim 1,
Wherein the basis weight of the mixed synthetic nonwoven fabric for the mask pack is 40 to 100 gsm.

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