KR20050062923A - Fabric plate and manufacturing method thereof - Google Patents

Abstract

The fiber plate according to the embodiment of the present invention includes a plurality of fiber felts laminated in layers, and the fiber felts are made of a PET felt and at least one kind of fiber fibers, and the heat is formed at the boundary of the stacked fiber felts. Preferably, the laminated fiber felts are thermally fused to each other so that a hardened layer is formed. Fiber plate according to an embodiment of the present invention will have a constant strength and elastic resilience as well as the intrinsic properties of the fiber, such as breathability, sweat absorption, and water repellency. Therefore, the fiber plate according to the embodiment of the present invention can be used for various purposes, such as insoles of shoes, insulation or sound insulation of buildings.

Description

Fiber plate and its manufacturing method {FABRIC PLATE AND MANUFACTURING METHOD THEREOF}

The present invention relates to a fiber plate and a method of manufacturing the same, and more particularly, to mix (mixing) natural fibers and artificial fibers to make a felt (felt) excellent in breathability, water absorption, and water repellency and multi-bonding through a direct heat fusion method The present invention relates to a fiber plate excellent in breathability, water absorbency, and water repellency, and excellent in elastic restoring force and impact absorption function.

Fiber plates can be used for various purposes, such as insoles of shoes, insulation or sound insulation of buildings.

Various methods are known with regard to the manufacture of conventional fiber plates.

Among them, fiber felt is manufactured through needle punching using thermoplastic resin fibers such as polyester (for example, PET) or polypropylene (PP). There is a way.

However, the fiber felt produced through the needle punching method is not good characteristics such as breathability, elastic restoring force is limited in its use.

In particular, the fiber felt produced by the conventional method is less suitable for use as a shoe insole, insulation or sound insulation of a building bar, etc., because it is less breathable and does not have sufficient elastic restoring force.

The present invention has been made to solve the above-mentioned problems, to provide a fiber plate having good properties such as breathability, sweat absorption, and water repellency, and good strength and elastic restoring force, and a method of manufacturing the same. There is this.

Fiber plate manufacturing method according to an embodiment of the present invention for achieving the above object,

A blending step of blending the PET fiber and one or more kinds of fibers;

Manufacturing a fiber felt through needle punching using the blended PET fiber and the fiber fiber; And

Fiber plate manufacturing step of producing a layered fiber plate by heat-sealing the prepared two or more fiber felt with each other

It is preferable to include.

The fiber plate manufacturing step,

The two or more fiber felts are fused to each other by pressing the two or more fiber felts by applying heat to the two or more fiber felts so as to form a thermosetting layer inside the fiber plate, and then applying the two or more fiber felts to each other. It is preferable.

In the fiber plate manufacturing step, it is preferable to apply heat to the two or more fiber felt through direct heat treatment.

In the fiber plate manufacturing step, it is preferable that heat is applied to the fiber felt such that portions of the fiber felt that are thermally fused to each other are thermoset.

Fiber plate manufacturing method according to an embodiment of the present invention, it is preferable to further include the step of pressing the heat after applying the outer surface of the prepared layered fiber plate.

The heat applied to the outer surface of the fiber plate is preferably smaller than the heat applied to thermally bond the two or more fiber felts together.

In the blending step, it is preferable to blend any one or more of the PP fiber, the PP fiber, the LM fiber, the nylon fiber, and natural fibers.

In the blending step, 50% by weight of PET fiber, 40% by weight of PP fiber, and 10% by weight of nylon fiber are more preferably blended.

In the blending step, 70% by weight of PET fiber, 20% by weight of LM fiber, and 10% by weight of natural fiber are more preferably blended.

The natural fiber is preferably hemp.

It is preferable that the said PET fiber is made from PET chip which consists of PET and an illite.

It is preferable that the fiber plate by the Example of this invention is manufactured by the method in any one of the above-mentioned fiber plate manufacturing methods.

Fiber plate according to an embodiment of the present invention,

A plurality of fiber felt is laminated in a layer, wherein the fiber felt is made of a PET felt and at least one kind of fiber fibers, the laminated fiber felt so that the thermosetting layer is formed on the boundary of the laminated fiber felt It is preferable to heat-seal each other.

When there are two said fiber felts, it is preferable that the said thermosetting layer is located in the center part of the said fiber plate.

When there are three or more said fiber felts, it is preferable that the said thermosetting layer is arrange | positioned at equal intervals.

The fiber felt,

The PET fiber is preferably formed by blending any one or more of a PP fiber, an LM fiber, a nylon fiber, and natural fibers, and needle punching them.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in Figure 1, the fiber plate manufacturing method according to an embodiment of the present invention, a blending step (S110) of blending at least one type of fiber to the PET fiber (PET fiber), and using the blended fibers Manufacturing a fiber felt (needle) through needle punching (S120) and a fiber plate manufacturing step (S130) of thermally bonding the prepared two or more fiber felts to each other to create a layered fiber plate (S130). .

First, the method of manufacturing a fiber plate according to an embodiment of the present invention includes a blending step (S110) of blending at least one type of fiber into a PET fiber.

For example, in the blending step S110, any one of a PP fiber, a nylon fiber, and a natural fiber may be blended into a PET fiber.

As a more specific example, 50% by weight PET fiber, 40% by weight PP fiber, and 10% by weight nylon fiber may be blended.

As is well known, the melting point of PET is about 200 ° C, the melting point of PP is about 150 ° C, and the melting point of nylon is about 260 ° C. Therefore, when the heat treatment at an appropriate temperature in the fiber plate manufacturing step (S130), the PP fiber having a low melting point is melted first, and as a result, the PET fiber and the nylon fiber are connected to each other by the melted PP fiber. That is, in the process of melting and thermally curing the PP fiber, it plays a role of crosslinking (thermosetting crosslinking reaction) connecting the PET fiber and the nylon fiber to each other. Therefore, the rigidity and elastic restoring force of the fiber plate to be produced can be greatly increased.

In the blending step (S110), it is also possible to blend natural fibers such as PP fiber and hemp on the PET fiber. By containing natural fibers, the properties such as breathability, sweat absorption, water repellency and the like of the fiber plate are further improved.

Furthermore, of course, in the blending step S110, any thermoplastic fiber fiber having a low melting point may be used instead of the PP fiber. For example, low melt fiber (LM) can be used. Low melting fiber is a fiber made of a thermoplastic resin having a melting point of about 130 ° C.

For example, in the blending step S110, 70% by weight of PET fiber, 20% by weight of low melting fiber fiber, and 10% by weight of hemp may be blended.

And, the PET fiber used in the blending step (S110) may be made from a pure PET chip, but illite [KAl ₄ (AlSi ₇ O ₃₀ ) (OH ₄ )] is added to PET. It may be made from PET chips.

The method of making PET fiber using an illite added PET chip is apparent to those skilled in the art. For example, the manufacturing method of the synthetic fiber (PET fiber) to which the illite was added can be set as the method of description of the application number 10-1998-0036607.

Illite is a fine mineral of clay particle size, and has a function of emitting far-infrared rays as a clay mineral having a plate-like structure similar to that of general muscovite. Due to the emission of far-infrared, illite is effective in improving blood circulation, removing odor, sterilization, and the like.

And, PET fibers are preferably formed to have a thickness of 7 to 20 denier. For example, PET fibers having a thickness of 15 deniers can be used.

Then, fabric felt is fabricated through needle punching using needle fibers mixed with each other as described above and at least one kind of fiber fibers (S120).

The manufacture of fiber felt through needle punching will be apparent to those of ordinary skill in the art, and thus a detailed description thereof will be omitted.

At this time, the fiber felt to be produced is preferably about 5 mm in thickness, and when the length of the horizontal and vertical are each 1m, the weight is preferably about 500g. Therefore, the density of the fiber felt is preferably about 0.1 g / cm 3.

Then, the two fiber felts prepared in step S120 to heat-bond each other to produce a layered fiber plate (S130).

For example, a layered fiber plate is produced by a laminating method through direct heat treatment.

As shown in Fig. 2, after the direct heat by the flame is applied to the two fiber felts 201 and 203 using the flamethrowers 213 and 215, the surfaces of the fiber felts 201 and 203 to which the direct heat is applied are The pressure is passed between two pressing rollers 205 and 207 in contact with each other.

Thus, as shown in Fig. 2, the two fiber felts 201 and 203 are thermally fused together to produce a layered fiber plate 209.

That is, the fiber felt 201, 203 in a state in which the heat is applied to the fiber felt 201, 203 so that the heat curing layer 211 is formed inside the fabric plate 209 to be bonded to each other ), The fiber felts 201 and 203 are thermally fused to each other.

It is preferable that the temperature of the flame radiated to the fiber felt 201 and 203 by the flame throwers 213 and 215 is about 1000 to 1200 degreeC.

By heat-sealing the two fiber felts 201 and 203 by direct weaving, good surface treatment can be achieved and shrinkage of the fiber felts 201 and 203 that can occur during the heat treatment process is reduced.

At this time, it is preferable that the moving speeds of the fiber felts 201 and 203 by the compression rollers 205 and 207 are about 8-12 m / min.

Under the above conditions, when direct heat is applied to the fiber felts 201 and 203, the PET fibers constituting the fiber felts 201 and 203 and a part of the other fiber fibers are melted by heat and simultaneously compressed. Therefore, as shown in FIG. 2, the thermosetting layer 211 is formed inside the heat-sealed fiber plate 209.

That is, heat is applied to the fiber felts 201 and 203 to a degree that the portion of the fiber felts 201 and 203 is thermoset.

And, among the fiber plates positioned around the thermosetting layer 211, a part of the fiber fibers having a low melting point is melted, and the other fiber fibers are connected to each other (thermosetting crosslinking reaction) by the melted fiber fibers to Stiffness and elastic restoring force are increased.

An example of a case in which a fiber plate is manufactured using a fiber felt in which a PET fiber, a PP fiber, and a nylon fiber is blended will be described below.

First, the temperatures of PET, PP, and nylon fibers that are within a certain distance from the surface to which the heat is applied reach temperatures above their melting point, resulting in the fibers melting. Therefore, when the molten fibers are cooled, the thermosetting layer 211 is formed in the center of the fiber plate 209 as shown in FIG.

As the distance from the thermosetting layer 211 increases, the fiber to be thermally cured decreases. At this time, since the PP fiber having a low melting point is melted first, the melted PP fiber binds the PET fiber and the nylon fiber to each other. As a result, in the vicinity of the thermosetting layer, the binding force between the fiber fibers is strengthened by the melted PP fiber, thereby improving the rigidity of the fiber plate as a whole.

As shown in FIG. 2, since the thermosetting layer 211 is present at the center of the fiber plate 209, the elastic restoring force of the fiber plate 209 is greatly increased.

That is, by manufacturing the fiber plate 209 in which the two sheets of fiber felt 201 and 203 are heat-sealed and the thermosetting layer 211 is formed in the center part, the rigidity of the fiber plate 209 is greatly improved, The elastic restoring force for restoring to the initial state is increased.

As shown in FIG. 3, the PP fiber 31 having a low melting point among the fiber fibers positioned around the thermosetting layer 211 is first melted, so that the PET fiber 302 is formed by the melted PP fiber 301. And nylon fiber 303 are bound to each other. That is, the molten PP fiber 301 serves to bridge the PET fiber 302 and the nylon fiber 303. Thus, the flexibility and rigidity of the fiber plate 209 greatly increases.

In heat-sealing the two fiber felts 201 and 203, the thickness of the fiber plate 209 finally formed by heat-sealing the fiber felt 201 and 203 whose thickness is 5 mm, respectively, is about 2.5 to 3 mm. Is preferably.

In addition, according to the use of the fiber plate, by applying direct heat to the outer surface of the heat-sealed fiber plate 209, respectively, it is possible to further improve the rigidity of the fiber plate.

When heat is applied to the outer surface of the fiber plate 209, the moving speed of the fiber plate 209 is preferably made to be about 3 to 4 times faster than the moving speed of the fiber felt in the case of producing the fiber plate 209. Therefore, a part of the fiber fiber is melted again at the outer portion of the fiber plate 209 of FIG. 2 so that the rigidity of the fiber plate can be further improved.

That is, the heat applied to the outer surface of the fiber plate 209 is preferably smaller than the heat applied to thermally fuse the fiber felts 201 and 203.

4 shows a process in which the three-layer fiber plate 223 is manufactured.

By heat-sealing the two-layer fiber plate 209 and the other fiber felt 221 produced in FIG. 2, the three-layer fiber plate 223 can be manufactured.

As shown in the figure, two thermosetting layers 209 and 225 exist inside the three-layer fiber plate 223.

At this time, the thermosetting layers 209 and 225 are preferably arranged at equal intervals. By being disposed at equal intervals, the elastic restoring force against bending is further increased.

Therefore, the rigidity and elastic restoring force of the fiber plate 223 is further increased.

In a similar manner, by repeatedly carrying out the heat fusion process, a fiber plate of the desired number of layers can be produced. That is, the fiber plate of desired number of layers can be obtained according to the use of a fiber plate.

In the fiber plate manufactured as described above, since the thermosetting layer is formed inside the thermosetting layer, its hardness is greatly improved as compared with the case where the fiber felt is simply accumulated. In addition, the fiber plate as described above has a large elastic restoring force and impact absorption force due to the presence of the thermosetting layer.

That is, the fiber plate as described above has properties such as flexibility, breathability, sweat absorption, and water repellency, which are properties of the fiber itself, and also has elastic restoring force, hardness, impact absorbing force, and the like.

Therefore, such a fiber plate is suitable to be used as a material that requires breathability, moldability, and elastic restoring force at the same time as the insole of the shoe.

In addition, by mixing natural fibers and illite in PET, effects such as promoting sweat absorption, removing foot odor, eradicating bacteria, and improving blood circulation can also be obtained.

In addition, the fiber plate as described above is also suitable for use as a member, a heat insulating material, or a sound absorbing material for the humidity control of the building.

In the above, preferred embodiments of the present invention have been described, but the present invention is not limited to the above embodiments, and easily changed by those skilled in the art to which the present invention pertains. It includes all changes and / or modifications to the extent deemed acceptable.

According to the embodiment of the present invention as described above, by manufacturing a fiber plate using a PET fiber, it is possible to obtain a fiber plate with good breathability and sweat absorption.

In addition, by bonding two or more PET felts to each other by direct thermal fusion, a fiber plate having the characteristics of the fibers and having good strength and elastic restoring force can be obtained.

And, it is possible to obtain a fiber plate in which no harmful substances such as chemicals, adhesives, and bonds harmful to the human body are used.

Furthermore, by producing a fiber plate using a fiber felt mixed with natural fibers and PET fibers, the characteristics of the fibers such as breathability, sweat absorption, and water repellency can be further enhanced.

Furthermore, by manufacturing a fiber plate using a PET fiber containing an illite, it is possible to obtain a sanitary effect such as antibacterial and blood circulation improvement by the action of the illite.

1 is a view sequentially showing a fiber plate manufacturing method according to an embodiment of the present invention.

2 is a view showing a process of thermally fusion two fiber felt using a compression roller in the fiber plate manufacturing method according to an embodiment of the present invention.

FIG. 3 is a view showing briefly the internal structure of the fiber plate obtained by the heat fusion process of FIG.

4 is a view showing a process for thermally fusion of three fiber felt using a compression roller in the fiber plate manufacturing method according to an embodiment of the present invention.

Claims (16)

A blending step of blending the PET fiber and one or more kinds of fibers; Manufacturing a fiber felt through needle punching using the blended PET fiber and the fiber fiber; And Fiber plate manufacturing step of producing a layered fiber plate by heat-sealing the prepared two or more fiber felt with each other Fiber plate manufacturing method comprising a. In claim 1, The fiber plate manufacturing step, The two or more fiber felts are fused to each other by pressing the two or more fiber felts by applying heat to the two or more fiber felts so as to form a thermosetting layer inside the fiber plate, and then applying the two or more fiber felts to each other. Fiber plate manufacturing method. In claim 2, The fiber plate manufacturing step, the fiber plate manufacturing method characterized in that to heat the two or more fiber felt through direct heat treatment. In claim 1, In the fiber plate manufacturing step, the fiber plate manufacturing method, characterized in that the heat is applied to the fiber felt to the extent that the portion of the heat-sealed fiber felt is thermally cured. In claim 1, And applying pressure to the outer surface of the manufactured layered fiber plate and then pressing the fiber plate. In claim 5, The heat applied to the outer surface of the fiber plate is smaller than the heat applied to thermally fuse the two or more fiber felt with each other. In claim 1, The blending step, The PET fiber, PP fiber, LM fiber, nylon fiber, and a fiber plate manufacturing method characterized in that any one or more of natural fibers are blended. In claim 7, The blending step, A fiber plate manufacturing method comprising 50% by weight of PET fiber, 40% by weight of PP fiber, and 10% by weight of nylon fiber. In claim 7, The blending step, A fiber plate manufacturing method, comprising 70% by weight of PET fiber, 20% by weight of LM fiber, and 10% by weight of natural fiber. In claim 7, The natural fiber is a fiber plate manufacturing method characterized in that hemp (麻). In claim 1, The PET fiber, A fiber plate manufacturing method made from PET chips consisting of PET and illite. The fiber plate manufactured by the fiber plate manufacturing method of any one of Claims 1-11. Comprising a plurality of fiber felt laminated in layers, the fiber felt is made of a PET felt and at least one type of fiber fiber, the laminated fiber felt so that the thermosetting layer is formed on the boundary of the laminated fiber felt Fiber plate, characterized in that the heat-sealed with each other. In claim 13, In the case where the fiber felt is two, the thermosetting layer is located at the center of the fiber plate. In claim 13, In the case where the fiber felt is three or more, the thermosetting layer is arranged at equal intervals. In claim 13, The fiber felt, The fiber fiber is formed by blending any one or more of the PP fiber, LM fiber, nylon fiber, and natural fibers in the PET fiber, and needle punching it.