KR20210109418A - Process to manufacture breathable fabrics - Google Patents

Abstract

The present invention relates to a process for manufacturing a breathable fabric which magnetic force acts thereon and easily goes back to its original condition after creasing, by using a functional yarn, a magnetic yarn, and a shape memory yarn. The process for manufacturing a breathable fabric comprises: a woven yarn preparation step for preparing a woven yarn including a functional yarn, a magnetic yarn, a shape memory yarn and a melting yarn; a weaving step for weaving the woven yarn; a melting yarn weight reduction step for carrying out a weight reduction process of a melting yarn among the woven yarn; and a first fabric manufacturing step in which a fabric is manufactured by the melting yarn weight reduction step. In the weaving step, in the direction of warp, a pair of functional yarns supplied at least two strands, one magnetic yarn sandwiched between the pair of functional yarns, one melting yarn, one shape memory yarn, one melting yarn are supplied, and the process is repeated several times. At the same time, the woven yarns which had been supplied in the direction of warp are repeatedly supplied in the direction of weft in the same order and process.

Description

Manufacturing process of breathable fabrics {Process to manufacture breathable fabrics}

The present invention relates to a manufacturing process of a breathable fabric, and more particularly, to a manufacturing process for providing a breathable fabric in which the action of magnetic force and wrinkles can be easily stretched using functional yarn, magnetic yarn and shape memory yarn.

In order to provide clothing such as sportswear with fabrics using sweat-absorbing and quick-drying functional yarns, there is a disadvantage that the woven fabric must be subjected to single water repellency processing. There are disadvantages such as not being able to expect much breathability from the fabric because it is all configured to drain sweat through the action of dissipating it.

In order to solve the shortcomings of sportswear manufactured by woven with sweat-absorbing and quick-drying functional yarns such as Aerocool and Coolmax, recently, ventilation holes are formed in the fabric to allow air to enter and exit the body and lower body temperature. Fabrics with As a prior literature related to this, there is Republic of Korea Patent Publication No. 10-0463229, and the like.

However, the conventional air permeable fabric has a problem in that when the fabric is folded or rolled and stored, the fabric material is flexible and is disturbed or easily wrinkled by the use of the fabric. Therefore, in the present invention, it is intended to propose a process for manufacturing a breathable fabric that is easy to organize by the magnetic force of the magnetic yarn and easy to control wrinkles by the shape memory yarn.

Republic of Korea Patent Publication No. 10-0463229 (Registered on 14.12. 2004)

In order to solve the above problems, the present invention is to provide a process for manufacturing a breathable fabric woven using a functional yarn capable of improving elasticity.

In addition, an object of the present invention is to provide a process for manufacturing a breathable fabric that is easy to organize and store.

In addition, an object of the present invention is to provide a process for manufacturing a breathable fabric with easy control of wrinkles.

In order to achieve the above object, the present invention provides a weaving preparation step of preparing a woven yarn comprising a functional yarn, a magnetic yarn, a shape memory yarn and a dissolved yarn; Weaving step of weaving the weave; and a first fabric manufacturing step manufactured by; and a melted yarn reduction step of reducing the melted yarn among the woven yarns, wherein the weaving step includes a pair of functional yarns supplied at least two in an oblique direction and Supplying one magnetic yarn between the pair of functional yarns, repeating the process of supplying one melted yarn, one shape memory yarn, and one melted yarn, while supplying the warp yarn in the weft direction It provides a breathable fabric manufacturing process, characterized in that weaving the weave by repeating the same process as.

According to the present invention, it is possible to provide a fabric with elasticity secured by a functional yarn, and as a ventilation line is formed in the warp and weft direction, a ventilation hole is formed at the intersection to provide a functional fabric with improved breathability and durability. It has the effect of increasing the competitiveness of the fabric.

In addition, after removing the melted yarn woven to form a ventilation line and ventilation hole in the fabric, functional yarn is present in the ventilation line and ventilation hole formed in the place, making it possible to produce a new type of design. It has the effect of greatly improving the quality of the functional fabric by supporting the pores.

In addition, there is an effect that the fabric can be arranged without being disturbed when organizing and storing the fabric by the magnetic yarn.

In addition, it is possible to block unnecessary magnetic force due to magnetic yarn by blocking the magnetic field of the second end, and there is also an effect of blocking electromagnetic waves in the vicinity.

In addition, as the shape memory yarn is restored to a predetermined shape specified in advance in the first temperature range by the shape memory yarn, there is an effect that can easily control wrinkles.

1 is a step diagram showing a process for manufacturing a breathable fabric according to an embodiment of the present invention.
2 is a view showing the weaving of the first fabric according to an embodiment of the present invention.
3 is an enlarged view of A of FIG. 2 .
4 is a view showing the first fabric after the weight reduction step according to an embodiment of the present invention.
FIG. 5 is an enlarged view of B of FIG. 4 .
6 is a view showing a second fabric according to an embodiment of the present invention.
7 is an enlarged view of C of FIG. 6 .
8 is a view showing a third fabric according to an embodiment of the present invention.
FIG. 9 is an enlarged view of D of FIG. 8 .

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily implement them. However, the present invention may be embodied in several different forms and is not limited to the drawings and examples disclosed below. In addition, in order to clearly explain the present invention in the drawings, parts irrelevant to the present invention are omitted, and the same or similar symbols in the drawings indicate the same or similar components.

Objects and effects of the present invention can be naturally understood or made clearer by the following description, and if it is determined that the gist of the present invention may be unnecessarily obscured, the detailed description will be omitted. and effects are not limited.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. 1 is a step diagram showing a process for manufacturing a breathable fabric according to an embodiment of the present invention.

1, the breathable fabric manufacturing process according to an embodiment of the present invention is a first fabric manufacturing step (S100), a second fabric manufacturing step (S200), a third fabric manufacturing step (S300) and a breathable fabric bonding step It may be made by bonding the first fabric 100 , the second fabric 200 , and the third fabric 300 having a breathable function by ( S400 ).

The first fabric manufacturing step (S100) may include a weave preparation step (S110), a weave weave step (S120) and a melted yarn reduction step (S130).

The weaving preparation step (S110) is a step of preparing each type of weaving including the functional yarn 10, the magnetic yarn 20, the shape memory yarn 30 and the melted yarn 40 according to an embodiment of the present invention. am. The functional yarn 10 is for manufacturing an elastic and breathable fabric, and is preferably provided as a fiber of a material having high elasticity. In detail, the functional yarn 10 according to an embodiment may be spandex. More specifically, the functional yarn 10 of a preferred embodiment of the present invention is preferably prepared by a polyurethane prepolymer preparation step, a prepolymer solution obtaining step, a polyurethane solution obtaining step, and a functional yarn obtaining step.

Polyurethane prepolymer manufacturing step is 160-180 g of diphenylmethane-4,4'-diisocyanate and 540-600 g of polytetramethylene glycol (molecular weight 2400, polydispersity index 1.5) in a nitrogen gas stream at 80-88° C. for 80 minutes. It is a step of preparing a polyurethane prepolymer having isocyanate at both ends by stirring.

The prepolymer solution obtaining step is a step of obtaining a prepolymer solution by cooling the prepared polyurethane prepolymer to 20 to 24° C. and then dissolving it after adding 850 g of dimethylacetamide.

In the polyurethane solution obtaining step, 1~3g of diethylamine and 8~20g of ethylenediamine are dissolved in 250g of dimethylacetamide, then added to the obtained prepolymer solution, and cooled to 5℃ to obtain a polyurethane solution is a step

Thereafter, in the functional yarn obtaining step, the obtained polyurethane solution may be wound at a spinning temperature of 300 to 320° C. at a winding speed of 800 to 1000 m/min to obtain the functional yarn 10 .

The magnetic yarn 20 is a fiber having magnetic force including magnetic powder, and the magnetic yarn 20 may be obtained by containing the magnetic powder in the manufacturing process of the aforementioned functional yarn 10, and in the manufacturing process of the polymer fiber It is preferable to prepare it by containing it. In this case, the magnetic powder is a fine powder, and the smaller the particles, the better the fiber quality. In detail, the magnetic powder is preferably contained in a size of 0.1 μm or less, and it is preferable that the magnetic powder is contained in 20% or more and 70% or less of the magnetic yarn 20 . In the case of weaving including the magnetic yarn 20 in the first fabric 100, there is an effect that can be maintained in a folded state by magnetic force without being disturbed when folding and arranging the breathable fabric finally provided by the magnetic yarn 20. have. In addition, an air layer is provided between the folded fabrics so that one side and the other side of the breathable fabric can be stored in contact with each other to prevent an increase in volume. In addition, in the case of using the magnetic yarn 20, there is an effect by magnetic force and at the same time an electromagnetic wave absorption effect also acts, so that an effect of blocking electromagnetic waves through the breathable fabric of the present invention can be obtained.

The shape memory yarn 30 is preferably made of a shape memory fiber that is restored to a predetermined shape specified in advance in the first temperature range. In detail, the first temperature range may be a temperature range of 40°C to 250°C at a temperature higher than room temperature, and more preferably, a temperature range of 150°C to 250°C. The shape memory yarn 30 may be made of only a shape memory alloy having a very thin thickness, and may be provided in a shape in which the shape memory alloy and the functional fiber are twisted. In detail, it may be provided in a shape in which two functional fibers are twisted to form one strand in a one-strand shape memory alloy. In this case, the functional fiber may be the same fiber as the functional yarn 10 described above, but is preferably a fiber provided with a thinner thickness than the functional yarn 10 . In this case, the thickness of the shape memory yarn 30 may be preferably provided to be 0.1 mm or less to maintain a vent to be described later. In addition, the predetermined shape restored in the first temperature range is a shape that is bent or folded, and when heat of the first temperature range is applied to the fabric crumpled by the shape memory yarn 30, the wrinkles can be easily unfolded. can make it

The dissolved yarn 40 is a fiber that is dissolved and removed in the weight reduction step (S300) to be described later, and is preferably prepared with dilute sodium hydroxide or water-soluble polymer fiber that dissolves well in water so as to form a ventilation hole and a ventilation line. In detail, there is no need to limit the yarn type of the melted yarn 40, and the melted yarn 40 used in the warp direction and the weft direction may be of the same type, but in some cases, the functional yarn 10 and the melted yarn in the weft direction in some cases. Partially melted yarn manufactured in one strand through any one of the inter process, the covering process, the twisting process, and the braiding process of the yarn 40 may be used. Specifically, the melted sand 40 is 1 to 6 parts by weight of a bromine-containing flame retardant and p-phenylene-bis-o-tolylcarbodiimide, based on 100 parts by weight of a polyester consisting of one or more types of co-polyester, p-phenylene-bis-p-chlorophenylcarbodiimide, ethylene-bis-diphenyl carbodiimide, poly(4,4'-methylenebiscyclohexylcarbodiimide), poly(4,4'-diphenyl) Methanecarbodiimide), poly(3,3'-dimethyl-4,4'-diphenylmethanecarbodiimide), poly(naphthylenecarbodiimide), poly(p-phenylenecarbodiimide), poly(m -phenylene carbodiimide), poly(tolylcarbodiimide), poly(diisopropylphenylenecarbodiimide), poly(methyl-diisopropylphenylenecarbodiimide), poly(triethylphenylenecarbodiimide) and It may be made by using 0.05 to 1.55 parts by weight of at least one compound selected from the group consisting of poly(triisopropylphenylenecarbodiimide).

When the functional yarn 10, the magnetic yarn 20, the shape memory yarn 30 and the melted yarn 40 are prepared as described above, respectively, the step of weaving the prepared weaving yarns can be made.

Hereinafter, the weaving weaving step (S120) will be described in detail with reference to FIGS. 2 and 3 . Figure 2 is a view showing the weave of the first fabric according to an embodiment of the present invention, Figure 3 is an enlarged view of A of Figure 2 .

The weaving weaving step (S120) is a step of weaving each type of weaving yarns prepared in the preparation step (S110) with warp and weft yarns. Referring to FIG. 2 , warp and weft yarns refer to directions orthogonal to each other. In the weaving step (S120), the fabric is woven by supplying each type of weaving yarn prepared in advance to warp and weft, but with functional yarn 10, magnetic yarn 20 and shape memory yarn 30 in warp and weft directions, respectively. By repeatedly arranging the melted yarn 40 or partially melted yarn, it is possible to provide a functional fabric in which ventilation lines are formed in the warp and weft directions, respectively. In detail, referring to the enlarged view of FIG. 3 , magnetic yarn between a pair of functional yarns 10 and a pair of functional yarns 10 supplied as two or more strands in an oblique direction to form a ventilation line in the oblique direction. (20) One strand is supplied, and the process of supplying 1 strand of the melted yarn 40, 1 strand of the shape memory yarn 30, and 1 strand of the dissolved yarn 40 may be repeated. In addition, the woven yarn may be supplied in the same order and process as the woven yarn supply in the warp direction so that a ventilation line may be formed in the weft direction, and in this case, the melted yarn 40 in the weft direction is the same as the melted yarn 40 in the warp direction. ), but it may also be a partially dissolved yarn. In addition, according to another embodiment, instead of the melted yarn 40 or partially melted yarn supplied to the weft, 40 number of meta-aramid spun yarns may be supplied.

It is preferable that the 40 number of meta aramid spun yarns that can be supplied to the weft yarns in the above-described other embodiment include a core-sheath type meta aramid mixed spun yarn that is not a filament type, but a spun yarn type, so that the feel is greatly improved. Specifically, meta aramid spun yarn is 100 parts by weight of meta aramid staple fibers, 20 to 60 parts by weight of one type of flame retardant staple selected from flame retardant rayon staple fibers and flame retardant polyester staple fibers, and antistatic staple fibers 1 to 6 It may be desirable to simultaneously improve the elasticity and feel of the meta-aramid fabric to be provided by mixing the weight part.

When the weaving of the functional yarn 10, the magnetic yarn 20, the shape memory yarn 30, and the melted yarn 40 to the warp and weft yarns is completed by the weaving weaving step (S120), through the weight reduction step The reduction processing of the melted sand 40 or the partially melted sand may be made. In detail, functional yarn 10, magnetic yarn 20, shape memory yarn 30 is used for warp and weft, respectively, and melted yarn 40 or partially melted yarn is supplied together in warp and weft directions, but weaving The first fabric 100 made by removing a part of the melted yarn 40 and the partially melted yarn through a weight reduction process can form ventilation lines in the warp and weft directions, and a ventilation hole is formed at the intersection of each ventilation line. can be

Hereinafter, the melted sand reduction step (S130) will be described in detail with reference to FIGS. 4 and 5 . FIG. 4 is a view showing the first fabric after the weight reduction step according to an embodiment of the present invention, and FIG. 5 is an enlarged view of B of FIG. 4 .

The melted sand reduction step (S130) is a step of removing a part of the melted sand 40 or partially melted sand described above to form a ventilation line and a vent hole, and divided into the second including the first weight reduction step and the second weight reduction step. can be carried out. In detail, before the weight reduction step (S130), a drying step of widening the fabric of the first fabric 100 by supplying air at 200 to 220° C. to the woven fabric at a wind speed of 40 m/s or more and 50 m/s or less is performed first. can In this case, in the drying step, the fabric fabric can be stretched more quickly and easily by applying air at 200 to 220° C. to the fabric fabric by the shape memory yarn 30 included in the weaving step (S120). When the drying step is completed, the first woven fabric 100 is precipitated in a solution mixed with water and a flame retardant in a weight ratio of 9: 1 for 30 to 40 minutes for flame-retardant treatment, and the flame-retardant fabric is rotated. A drying step of placing in a blur and drying at 120-140° C. for 5 minutes may be provided. In this case, the tumbler may include a rotatable rotating casing and a screw plate formed at regular intervals in the longitudinal direction of the rotating casing. After that, it is possible to provide a fixing step of automatically adjusting the width of the dried fabric fabric according to the purpose of use of the preset fabric fabric, and heat-treating it for 10 to 15 minutes at a temperature of 200 to 210 ° C to fix the tissue of the fabric fabric. .

After the above-described drying step, drying step, and fixing step are completed, a first weight reduction step may be performed. The first weight loss step is to increase the temperature of the sodium hydroxide solution dissolved by adding and dissolving 5 L of water and 20 g of sodium hydroxide at 60° C. to the fabric of the first fabric 100, 20 g of a dispersant and anhydrous trisodium citrate (Trisodium). 50 g of citrate dehydrate) is added, and the melted yarn 40 used in the warp direction is removed by maintaining 80° C. for 35 minutes, and the unremoved part of the melted yarn 40 or partially melted yarn used in the weft direction is in the weft direction. It can be made to exist in the ventilation line formed by According to one embodiment, after rinsing the fabric of the first fabric 100 after the first weight loss step is completed in 5 L of deionized water at 20° C. for 2 to 5 minutes, acetic acid (80% Technical grade) is added to deionized water containing the fabric. A pH adjustment step may be provided, which is a step of lowering the pH of the pH to 6.0 to 7.0. Thereafter, a step of drying the first fabric 100 fabric at room temperature may be performed.

When the first weight reduction step and drying are completed, in order to completely remove the dissolved sand 40 remaining in the first fabric 100, it is put into a dyeing machine and dyed at 120 to 130° C. After lowering to ℃, it is possible to provide a process of maintaining about 20 to 30 minutes by adding sodium hydroxide (NaOH) at a ratio of 10 g / l. According to one embodiment, a hydrogen detergent is added and treated for 20 to 30 minutes to separate the dissolved sand 40, and when the salt solution in the dyeing machine falls to 60° C., the second weight reduction process of discharging the salt solution and then washing with water can be provided .

When the first weight reduction process and the second weight reduction process are completed by the above-described process, the first fabric 100 from which the melted yarn 40 is removed as shown in FIGS. 4 and 5 may be provided.

Hereinafter, the second fabric manufacturing step ( S200 ) will be described with reference to FIGS. 6 and 7 . FIG. 6 is a view showing a second fabric according to an embodiment of the present invention, and FIG. 7 is an enlarged view of C of FIG. 6 .

The second fabric manufacturing step (S200) is a step of manufacturing the second fabric 200 bonded to the lower surface of the first fabric 100 manufactured in the above-described first fabric manufacturing step (S100). In detail, the second fabric 200 is a fabric provided with a magnetic field shielding material bonded to the lower surface of the first fabric 100 in order to block the magnetic field by the magnetic yarn 20 woven into the first fabric 100 . . The second fabric manufacturing step (S200) may include a second fabric preparation step (S210) provided with a magnetic shielding material and a breathable hole processing step (S220) of processing a breathable hole 210 in the second fabric 200. can

The second fabric preparation step (S210) is bonded to the lower surface of the first fabric 100 so that the magnetic field by the magnetic yarn 20 of the first fabric 100 acts only on one upper surface of the breathable fabric and does not act on the lower surface. It is a step of preparing the second fabric 200 to be. In detail, the second fabric 200 is an ultra-thin magnetic field shielding agent provided with a very thin thickness, and a Magsil foil provided with a thickness of 0.0005 to 0.030 mm may be used. Alternatively, permalloy foil, silicon steel plate, etc. may be used, but it is preferably provided with a shielding agent processed to 0.03 mm or less. The second fabric 200 prepared in the second fabric preparation step ( S210 ) is a shielding material in which no ventilation holes are formed, and the ventilation holes 210 may be processed by a separate ventilation hole processing step ( S220 ).

The ventilation hole processing step (S220) is a step of processing the ventilation holes 210 at predetermined equal intervals in the second fabric 200, in this case, the ventilation holes 210 correspond to the ventilation holes of the first fabric 100. It is preferably formed at a position where the magnetic yarn 20 is in contact with the position so that a hole is not formed. In addition, the ventilation hole 210 is preferably processed into a circular or polygonal shape, but it is preferable that one ventilation hole 210 is provided as a pair divided into two or more in order to improve the magnetic field shielding effect. In detail, as shown in FIG. 7 , a cross-shaped shielding material among the circular air permeable holes 210 may be processed to distinguish one air permeable hole 210 .

Therefore, the second fabric 200 manufactured by the second fabric manufacturing step (S200) maintains the breathable effect as the breathable hole 210 is joined to correspond to the ventilation hole of the first fabric 100, but the magnetic field It may be provided to act only in this upward direction.

Hereinafter, the third fabric manufacturing step ( S300 ) will be described in detail with reference to FIGS. 8 and 9 . 8 is a view showing a third fabric according to an embodiment of the present invention, and FIG. 9 is an enlarged view of D of FIG. 8 .

The third fabric manufacturing step (S300) may include a weaving preparation step, a weaving step, and a weight reduction step, similar to the first fabric manufacturing step (S100). At this time, the woven yarn in the third fabric manufacturing step (S300) includes the functional yarn 10, the shape memory yarn 30 and the melted yarn 40 excluding the magnetic yarn 20 of the first fabric 100. desirable. Therefore, in the weaving preparation step, the functional yarn 10, the shape memory yarn 30, and the melted yarn 40 are prepared, respectively, and since each weaving is the same as the above-described first fabric manufacturing step (S100), the detailed description is to be omitted. In the weaving step, the weaving of the third fabric 300 is a pair of functional yarns 10, two or more melted yarns 40, and two melted yarns 40 that are supplied at least two in the oblique direction as shown in FIG. 9 . While repeating the process of supplying the shape memory yarn 30 supplied therebetween, it is possible to weave the weave by repeating the same process as the supply of the weaving in the warp direction in the weft direction. In this case, it is preferable that the functional yarn 10 is positioned instead of the magnetic yarn 20 of the first fabric 100 in the third fabric 300 . As for the pair of functional yarns 10 supplied at least two in the drawing, the first fabric 100 is shown as two and the third fabric 300 is three, but this is only an example and in reality, 8 to 20 strands are a pair. It may be desirable to be provided. In the third fabric 300 that has been weaved according to the above-described embodiment, the final third fabric 300 as shown in FIG. 9 may be prepared by dissolving the melted yarn 40 by the weight reduction step. At this time, since the method of reducing the melted yarn 40 in the weight reduction step may be the same as the melted yarn weight loss step (S130) in the first fabric 100, a detailed description thereof will be omitted.

As described above, when the first fabric manufacturing step (S100), the second fabric manufacturing step (S200) and the third fabric manufacturing step (S300) are completed, the first fabric 100 and the second fabric ( 200) and a breathable fabric bonding step (S400) in which the third fabric 300 is sequentially surface-bonded to each other may be performed. In detail, the second fabric 200 for blocking the magnetic force of the magnetic yarn 20 is bonded to the lower surface of the first fabric 100 , and the magnetic yarn 20 is not included on the lower surface of the second fabric 200 . As the third fabric 300 is joined, magnetic force acts only in the direction of the first fabric 100 , and it is possible to provide a breathable fabric in which wrinkles can be easily controlled by the shape memory yarn 30 . That is, when magnetic force is applied by the magnetic yarn 20 of the first fabric 100 , when the breathable fabric is folded in the direction of the first fabric 100 , one side of the first fabric 100 and the first fabric 100 . The other side may be joined so that storage is not easily disturbed by contacting each other by magnetic attraction. In addition, when making clothes using the breathable fabric of the present invention, if the first fabric 100 is manufactured to be the side in contact with the skin, the clothes can be contacted according to the fashion without a locking device such as a separate button or zipper, so that the clothes can be magnetically applied. It is also possible to provide clothing that can be joined by However, when magnetic force acts on both sides of the breathable fabric, the inconvenience of attaching even unwanted metal may occur, so by bonding the second fabric 200 to the lower surface of the first fabric 100, magnetic force can be blocked. In addition, a third fabric 300 that does not contain the magnetic yarn 20 may be further provided on the lower surface of the second fabric 200 to prevent damage to the second fabric 200 and to feel the breathable fabric. .

In addition, the first fabric 100 and the third fabric 300 are woven including the shape memory yarn 30, so that when heat in the first temperature range is applied as described above, the wrinkles of the breathable fabric are controlled so that the wrinkles are ironed. By providing hot steam without repeating the process, there is an effect of unfolding the wrinkles of the fabric. In addition, if the hot steam of the first temperature range is provided only once at the end after washing the breathable fabric, there is an effect that the breathable fabric can be dried without wrinkles.

Therefore, the breathable fabric manufactured according to the present invention can be easily used when making functional articles according to various effects such as easy storage and attachment, electromagnetic wave blocking, ventilation, as well as fashion articles such as clothes, shoes, and bags.

The present invention described above relates to an embodiment, which is only an embodiment, and those skilled in the art may be able to make various modifications and equivalent other embodiments therefrom. Accordingly, the scope of the present invention is not limited by the above embodiments and the accompanying drawings.

10: functional yarn 20: magnetic yarn
30: shape memory history 40: dissolved history
100: first fabric 200: second fabric
300: third fabric
S100: first fabric manufacturing step
S200: second fabric manufacturing step
S300: third fabric manufacturing step

Claims (6)

A weaving preparation step (S110) of preparing a weaving yarn comprising a functional yarn 10, a magnetic yarn 20, a shape memory yarn 30 and a melted yarn 40;
Weaving step (S120) of weaving the weave; and
A first fabric manufacturing step (S100) manufactured by; a melted yarn weight loss step (S130) of reducing the melted yarn 40 among the woven yarns;
In the weaving preparation step (S110),
The functional yarn 10,
It is prepared from a fiber of a material with high elasticity,
The magnetic yarn 20,
Prepared with a fiber containing magnetic powder,
The shape memory store 30,
It is prepared as a shape memory fiber that is restored to a predetermined shape in a first temperature range,
The melted sand 40 is,
As a fiber that is dissolved and removed in the weight loss step (S130),
It is prepared from dilute sodium hydroxide or water-soluble polymer fibers that are well soluble in water.
The weaving step (S120) is,
A pair of functional yarns 10 supplied at least two in the oblique direction and one magnetic yarn 20 are supplied between the pair of functional yarns 10, and one melted yarn 40, one shape memory yarn ( 30) Breathable fabric manufacturing process, characterized in that at the same time repeating the process of supplying one strand, one strand of the melted yarn 40, and weaving the weave by repeating the same process as the supply of the woven yarn in the warp direction in the weft direction .
The method of claim 1,
The functional yarn 10,
160~180g of diphenylmethane-4,4`-diisocyanate and 540~600g of polytetramethylene glycol (molecular weight 2400, polydispersity index 1.5) are stirred in a nitrogen gas stream at 80~88℃ for 80 minutes, A polyurethane prepolymer preparation step of preparing a polyurethane prepolymer with isocyanate;
A prepolymer solution obtaining step of cooling the prepared polyurethane prepolymer to 20 ~ 24 ℃, adding 850 g of dimethylacetamide and then dissolving it to obtain a prepolymer solution;
After dissolving 1-3 g of diethylamine and 8-20 g of ethylenediamine in 250 g of dimethylacetamide, adding it to the obtained prepolymer solution, and cooling the temperature to 5° C. to obtain a polyurethane solution obtaining a polyurethane solution; and
Breathable fabric manufacturing process, characterized in that prepared by; a functional yarn obtaining step of obtaining the functional yarn 10 by winding the obtained polyurethane solution at a spinning temperature of 300 to 320° C. at a winding speed of 800 to 1000 m/min .
3. The method of claim 2,
Breathable fabric manufacturing process further comprising; a second fabric manufacturing step (S200) provided with a magnetic field shielding material bonded to the lower surface of the first fabric 100 in order to block the magnetic field by the magnetic yarn 20.
4. The method of claim 3,
The second fabric manufacturing step (S200),
A second fabric preparation step (S210) provided with a magnetic shielding material; and
Breathable fabric manufacturing process comprising a; breathable hole 210 processing step (S220) of processing the breathable hole 210 in the second fabric 200.
5. The method of claim 4,
Further comprising a third fabric manufacturing step (S300) bonded to the lower surface of the second fabric 200,
The third fabric manufacturing step (S300),
It is manufactured by weaving of the functional yarn 10, the shape memory yarn 30 and the melted yarn 40 and the weight loss of the melted yarn 40,
Repeating the process of supplying a pair of functional yarns 10, two or more of the melted yarns 40 supplied in the oblique direction, and the shape memory yarns 30 supplied between the two melted yarns 40 At the same time, the breathable fabric manufacturing process, characterized in that weaving the weave by repeating the same process as the supply of the woven yarn in the warp direction in the weft direction.
6. The method of claim 5,
The breathable fabric,
It is manufactured by bonding the first fabric 100, the second fabric 200, and the third fabric 300,
The magnetic force acts by the magnetic yarn 20 of the first fabric 100, but the magnetic force to the lower surface is blocked by the second fabric 200,
When heat in the first temperature range is applied by the shape memory yarn 30 of the first fabric 100 and the third fabric 300, the breathable fabric manufacturing process, characterized in that the wrinkles of the breathable fabric are stretched.

Images