TWI802954B - Artificial leather - Google Patents

Abstract

The present invention is relates to an artificial leather. The artificial leather includes a filament fabric, a first fiber web and a second fiber web. The first fiber web is disposed on the filament fabric. The first fiber web is a meltblown fiber web. The second fiber web is disposed on the first fiber web. The second fiber web is a meltblown fiber web.

Description

artificial leather

The present invention relates to an artificial leather and a manufacturing method thereof, and more specifically relates to an environment-friendly artificial leather and a manufacturing method thereof.

It is known that a variety of different processes are commonly used in the manufacture of multi-layer artificial leather, and solvents are required in some processes, such as impregnated with resin or fiber dissolved. However, the above manufacturing method not only makes the manufacturing process more complicated, but also does not meet the requirements of environmental protection.

Therefore, it is necessary to provide an innovative and progressive environmentally friendly artificial leather and its manufacturing method to solve the above-mentioned conventional deficiency.

In one embodiment, an artificial leather includes a first fiber web, a long fiber fabric and a second fiber web. The first web system is a meltblown web. The long fiber fabric is arranged on the first fiber web. The second fiber web is disposed on the long fiber fabric, and the second fiber web is a melt-blown fiber web.

In one embodiment, a method for manufacturing artificial leather includes: melt-blowing a first fiber web; disposing a long-fiber fabric on the first fiber web; melt-blowing a second fiber web on the long-fiber fabric, and forming a multi-layer fiber structure; and hot pressing the multi-layer fiber structure to produce artificial leather.

In one embodiment, an artificial leather includes a long fiber fabric, a first fiber web and a second fiber web. The first fiber web is disposed on the long fiber fabric, and the first fiber web is a melt-blown fiber web. The second fiber web is arranged on the first fiber web, and the second fiber The network system is a melt-blown fiber network.

In one embodiment, a method for manufacturing artificial leather includes: providing a long-fiber fabric; melt-blowing a first fiber web on the long-fiber fabric; melt-blowing a second fiber web on the first fiber web, and forming a multi-layer fiber structure; and hot pressing the multi-layer fiber structure to produce artificial leather.

10: artificial leather

10': multi-layer fiber structure

11: The first fiber web

12: long fiber fabric

13: Second fiber web

13W: Raised structure

20: artificial leather

20': multi-layer fiber structure

21: long fiber fabric

22: The first fiber web

23: Second fiber web

23W: Raised structure

C: hole conveyor belt

E1, E2: extrusion machine

M1, M2: Melt blown die head

P: grinder

R: hot pressing wheel

S: Conveyor wheel

X1, X2: thermoplastic polyurethane (TPU) ester pellets

S31~S34: steps

S71~S74: steps

Fig. 1 shows the schematic structure diagram of the artificial leather of the first embodiment of the present invention.

Fig. 2 shows a schematic diagram of the raised structure of the second fiber web of the artificial leather according to the first embodiment of the present invention.

Fig. 3 shows the flow chart of the manufacturing method of artificial leather according to the first embodiment of the present invention.

4A to 4E respectively show schematic diagrams of various steps in the method for manufacturing artificial leather according to the first embodiment of the present invention.

Fig. 5 shows a schematic diagram of the structure of the artificial leather according to the second embodiment of the present invention.

Fig. 6 shows a schematic diagram of the raised structure of the second fiber web of the artificial leather according to the second embodiment of the present invention.

Fig. 7 shows the flowchart of the manufacturing method of artificial leather according to the second embodiment of the present invention.

8A to 8E respectively show the schematic diagrams of each step in the manufacturing method of artificial leather according to the second embodiment of the present invention.

Referring to Fig. 1, it is a schematic diagram showing the structure of the first embodiment of the artificial leather of the present invention. The artificial leather 10 of the first embodiment of the present invention includes a first fiber web 11 , a long fiber fabric 12 and a second fiber web 13 .

In this embodiment, the first fiber web 11 is a melt-blown fiber web, and the material of the first fiber web 11 is thermoplastic polyurethane (TPU), preferably, the thermoplastic polyurethane (TPU) The Shaw hardness is greater than 60A and less than 40D. When the Shaw hardness is greater than 40D, because the hardness of TPU is too high, the composite structure sheet after completion will be too hard, showing a paper like feel (paper like), not artificial leather touch. When the Shaw hardness is less than 60A, the physical properties of the TPU will be significantly reduced because the TPU is too soft.

In addition, in order to make the artificial leather 10 have a good leather-like feel, the fiber fineness of the first fiber web 11 should be controlled at 1-6 den, and the thickness of the first fiber web 11 should be controlled at 0.3-1.0 mm.

The long fiber fabric 12 is disposed on the first fiber web 11 . In this embodiment, the long-fiber fabric 12 can be warp-knitted, weft-knitted, knitted or woven, and preferably, the long-fiber fabric 12 is made of thermoplastic polyurethane (TPU).

In addition, in order to make the artificial leather 10 achieve high physical properties (ie high tensile strength and high tear strength), the fiber fineness of the long fiber fabric 12 should be controlled at 20-600 den.

The second fiber web 13 is disposed on the long fiber fabric 12 . In this embodiment, the second fiber web 13 is a meltblown fiber web, and the material of the second fiber web 13 is thermoplastic polyurethane (TPU), preferably, the thermoplastic polyurethane (TPU). The hardness is greater than 80A and less than 65D. When the Shaw hardness is greater than 65D, because the hardness of TPU is too high, when it is ground and fluffed, the hairiness is too stiff and does not have the touch of artificial leather. When the Shaw hardness is less than 80A, the TPU is too soft and not abrasive.

Fig. 2 shows a schematic diagram of the raised structure of the second fiber web of the artificial leather according to the first embodiment of the present invention. Referring to FIG. 1 and FIG. 2 , in order to make the artificial leather 10 have a raised leather feel, the second fiber web 13 can be ground to form a raised structure 13W.

In addition, in order to make the fluffing structure 13W of the second fiber web 13 meet the fine hairiness requirement, the fiber fineness of the second fiber web 13 should be controlled at 0.05-3den, and the thickness of the second fiber web 13 should be controlled at 0.3 -1.0mm.

Fig. 3 shows the flow chart of the manufacturing method of artificial leather according to the first embodiment of the present invention. picture 4A to 4E respectively show the schematic diagrams of each step in the manufacturing method of the artificial leather according to the first embodiment of the present invention. With reference to step S31 of FIG. 3 and FIG. 4A , a first fiber web 11 is melt-blown. In this embodiment, the step of melt blowing the first fiber web 11 includes:

Step 1: Put thermoplastic polyurethane (TPU) ester pellets X1 into an extruder E1 to melt, and then use a melt blown die head M1 and a pressurized air to spray the molten thermoplastic polyurethane (TPU) to form thermoplastic polyurethane (TPU) )fiber. Preferably, the temperature of the melt-blowing die head M1 is 210-250°C, and the air pressure and air temperature of the pressurized air are 3-8kgf/cm ² and 210-240°C respectively.

Step 2: Use a perforated conveyor belt C to accumulate thermoplastic polyurethane (TPU) fibers into a web, and release high-speed wind pressure through the perforated conveyor belt C to form the first fiber web 11 .

With reference to step S32 of FIG. 3 and FIG. 4B , a long fiber fabric 12 is set on the first fiber web 11 . This step consists of placing the long fiber fabric 12 on the first web 11 by means of a transfer wheel S.

In this embodiment, the long fiber fabric 12 is woven from thermoplastic polyurethane (TPU) long fibers, and the weaving method can be warp knitting, weft knitting, knitting or weaving.

Referring to step S33 of FIG. 3 and FIG. 4C , a second fiber web 13 is melt blown on the long fiber fabric 12 to form a multi-layer fiber structure 10 ′. In this embodiment, the step of melt blowing the second fiber web 13 includes:

Step 1: Put thermoplastic polyurethane (TPU) ester pellets X2 into an extruder E2 to melt, and then use a melt blown die head M2 and a pressurized air to spray the molten thermoplastic polyurethane (TPU) to form thermoplastic polyurethane (TPU) )fiber. Preferably, the temperature of the melt-blowing die head M2 is 220-260°C, and the air pressure and air temperature of the pressurized air are 3-8kgf/cm ² and 220-250°C respectively.

Step 2: Use the perforated conveyor belt C to accumulate thermoplastic polyurethane (TPU) fibers into a web, and release high-speed wind pressure through the perforated conveyor belt C to form the second fiber web 13 .

With reference to step S34 of FIG. 3 and FIG. 4D , the multi-layer fiber structure 10 ′ is hot-pressed to produce the artificial leather 10 . This step includes heat-pressing the multilayer fiber structure 10' with a heat-pressing wheel R, and preferably, the temperature of the heat-pressing wheel R is 130-160°C.

Referring to Fig. 4E, after making the artificial leather 10, a grinder P can be used to grind the surface of the second fiber web 13 of the artificial leather 10, so that the fibers of the second fiber web 13 are partially broken to form fluff. Structure 13W, and then make this artificial leather 10 have the feel of raised leather.

Referring to FIG. 5 , it is a schematic diagram showing the structure of the artificial leather according to the second embodiment of the present invention. The artificial leather 20 of the second embodiment of the present invention includes a long fiber fabric 21 , a first fiber web 22 and a second fiber web 23 .

In this embodiment, the long-fiber fabric 21 can be warp-knitted, weft-knitted, knitted or woven, and preferably, the long-fiber fabric 21 is made of thermoplastic polyurethane (TPU).

In addition, in order to make the artificial leather 20 achieve high physical properties (that is, high tensile strength and high tear strength), the fiber fineness of the long fiber fabric 21 should be controlled at 20-600 den.

The first fiber web 22 is disposed on the long fiber fabric 21 . In this embodiment, the first fiber web 22 is a melt-blown fiber web, and the material of the first fiber web 22 is thermoplastic polyurethane (TPU). The hardness is greater than 60A and less than 40D. When the Shaw hardness is greater than 40D, because the hardness of TPU is too high, the composite structure sheet after completion will be too hard, showing a paper like feel (paper like), not artificial leather touch. When the Shaw hardness is less than 60A, the physical properties of the TPU will be significantly reduced because the TPU is too soft.

In addition, in order to make the artificial leather 20 have a good leather-like feel, the fiber fineness of the first fiber web 22 should be controlled at 1-6 den, and the thickness of the first fiber web 22 should be controlled at 0.3-1.0 mm.

The second fiber web 23 is disposed on the first fiber web 22 . In this example Among them, the second fiber web 23 is a melt-blown fiber web, and the material of the second fiber web 23 is thermoplastic polyurethane (TPU). Preferably, the Shore hardness of the thermoplastic polyurethane (TPU) is greater than 80A , less than 65D. When the Shaw hardness is greater than 65D, because the hardness of TPU is too high, when it is ground and fluffed, the hairiness is too stiff and does not have the touch of artificial leather. When the Shaw hardness is less than 80A, the TPU is too soft and not abrasive.

Fig. 6 shows a schematic diagram of the raised structure of the second fiber web of the artificial leather according to the second embodiment of the present invention. Referring to FIG. 5 and FIG. 6 , in order to make the artificial leather 20 have a raised leather feel, the second fiber web 23 can be ground to form a raised structure 23W.

In addition, in order to make the raised structure 23W of the second fiber web 23 meet the fine hairiness requirement, the fiber fineness of the second fiber web 23 should be controlled at 0.05-3den, and the thickness of the second fiber web 23 should be controlled at 0.3 -1.0mm.

Fig. 7 shows the flowchart of the manufacturing method of artificial leather according to the second embodiment of the present invention. 8A to 8E respectively show the schematic diagrams of each step in the manufacturing method of artificial leather according to the second embodiment of the present invention. With reference to step S71 of FIG. 7 and FIG. 8A , a long-fiber fabric 21 is provided. This step includes placing the long fiber fabric 21 on a perforated conveyor belt C by means of a conveyor wheel S.

In this embodiment, the long fiber fabric 21 is woven from thermoplastic polyurethane (TPU) long fibers, and the weaving method can be warp knitting, weft knitting, knitting or weaving.

With reference to step S72 of FIG. 7 and FIG. 8B , a first fiber web 22 is melt blown on the long fiber fabric 21 . In this embodiment, the step of melt blowing the first fiber web 22 includes:

Step 1: Put thermoplastic polyurethane (TPU) ester pellets X1 into an extruder E1 to melt, and then use a melt blown die head M1 and a pressurized air to spray the molten thermoplastic polyurethane (TPU) to form thermoplastic polyurethane (TPU) )fiber. Preferably, the temperature of the melt-blowing die head M1 is 210-250°C, and the air pressure and air temperature of the pressurized air are 3-8kgf/cm ² and 210-240°C respectively.

Step 2: Use the perforated conveyor belt C to stack thermoplastic polyurethane (TPU) fibers Accumulate into a web, and release the high-speed wind pressure through the perforated conveyor belt C to form the first fiber web 22 .

With reference to step S73 of FIG. 7 and FIG. 8C , a second fiber web 23 is melt-blown on the first fiber web 22 to form a multilayer fiber structure 20 ′. In this embodiment, the step of melt blowing the second fiber web 23 includes:

Step 1: Put thermoplastic polyurethane (TPU) ester pellets X2 into an extruder E2 to melt, and then use a melt blown die head M2 and a pressurized air to spray the molten thermoplastic polyurethane (TPU) to form thermoplastic polyurethane (TPU) )fiber. Preferably, the temperature of the melt-blowing die head M2 is 220-260°C, and the air pressure and air temperature of the pressurized air are 3-8kgf/cm ² and 220-250°C respectively.

Step 2: Use the perforated conveyor belt C to accumulate thermoplastic polyurethane (TPU) fibers into a web, and release high-speed wind pressure through the perforated conveyor belt C to form the second fiber web 23 .

With reference to step S74 of FIG. 7 and FIG. 8D , the multi-layer fiber structure 20 ′ is hot-pressed to produce the artificial leather 20 . This step includes heat-pressing the multi-layer fiber structure 20' with a heat-pressing wheel R, and preferably, the temperature of the heat-pressing wheel R is 130-160°C.

Referring to FIG. 8E, after the artificial leather 20 is produced, a grinder P can be used to grind the surface of the second fiber web 23 of the artificial leather 20, so that the fibers of the second fiber web 23 are partially broken to form fluff. Structure 23W, and then make this artificial leather 20 have the feel of raised leather.

The invention can produce environmentally friendly artificial leather with only a single melt-blown process, which greatly simplifies the manufacturing process of artificial leather, and no solvent is used in the melt-blown process, which meets the requirements of environmental protection. In addition, the first fiber web, the second fiber web and the long-fiber fabric of the present invention all use thermoplastic polyurethane (TPU), and thermoplastic polyurethane (TPU) is an environmentally friendly material that does not contain solvents and can be recycled. In addition, the present invention interposes the long-fiber fabric between the first fiber web and the second fiber web or combines the fiber web with the long-fiber fabric by melt-blowing, which can greatly improve the physical properties of the environmentally friendly artificial leather.

The present invention is described in detail with the following examples, but it does not mean that the present invention is only Limited to what is disclosed in these examples.

[Invention Example 1]

Referring to Figure 4A to Figure 4E, put TPU ester pellets with a melting point of 180°C and a Shaw hardness of 70A into the extruder E1 for melting, and the temperature setting from the feeding area to the discharging area is 120°C, 190°C, 210°C and 220°C. ℃, melted and sent to the melt-blown die head M1, the temperature of the melt-blown die head M1 is set to 235°C, and at the same time, a pressurized air is connected to the melt-blown die head M1, and the air pressure of the pressurized air is 6kgf/cm ^2. At the same time, the air is heated, the heating temperature is set to 220°C, and it is sent into the melt-blowing die head M1. While the air is ejected, the molten TPU is ejected to form TPU fibers. Next, use the perforated conveyor belt C to accumulate the TPU fibers into a web, and release the high-speed wind pressure through the perforated conveyor belt C to form the first fiber web.

A warp knitted fabric mixed with 75den and 150den TPU long fibers is put on the first fiber web.

Put the TPU ester pellets with a melting point of 183°C and a Shaw hardness of 85A into the extruder E2 for melting. The temperature is set at 100°C, 190°C, 220°C, and 230°C in sequence from the feeding area to the discharging area. After melting, it is sent into the melt blown Die head M2, the temperature of melt-blown die head M2 is set to 235°C, and a pressurized air is connected to the melt-blown die head M2 at the same time. The air pressure of the pressurized air is 6kgf/cm ² , and the air is heated at the same time. The heating temperature is set to 220°C, and it is sent into the melt-blowing die head M2, and the molten TPU is sprayed out while the air is sprayed out to form TPU fibers. Next, use the perforated conveyor belt C to accumulate the TPU fibers into a web, and release the high-speed wind pressure through the perforated conveyor belt C to form a second fiber web and cover it on the aforementioned warp-knitted fabric.

The above-mentioned three-layer fiber structure was heat-pressed with a hot-press wheel at a temperature of 145° C. to control the thickness and flatness.

After grinding the surface of the second fiber web with a grinder of 80mesh/200mesh, a 1.1mm thick fluffed high physical property environmental protection artificial leather can be obtained, and the obtained environmental protection artificial leather has the following physical properties: weight (ASTM D751 ): 463g/m2; tensile strength (ASTM D1682): 38kg/inch; elongation at break (ASTM D1682): 60%; tear strength (ASTM D2262): 8.5Kg.

[Invention Example 2]

Referring to Figure 4A to Figure 4E, put the TPU ester pellets with a melting point of 183 degrees and a Shaw hardness of 85A into the extruder E1 for melting. ℃, melted and sent to the melt-blown die head M1, the temperature of the melt-blown die head M1 is set to 240°C, and at the same time, a pressurized air is connected to the melt-blown die head M1, and the air pressure of the pressurized air is 7.2kgf/ cm ² , while heating the air with the heating temperature set at 228°C, and sending it into the melt blown die head M1, while the air is ejected, the molten TPU is ejected to form TPU fibers. Next, use the perforated conveyor belt C to accumulate the TPU fibers into a web, and release the high-speed wind pressure through the perforated conveyor belt C to form the first fiber web.

A woven fabric woven by 300 den TPU long fibers is placed on the first fiber web.

Put the above-mentioned TPU ester pellets into the extruder E2 to melt. The temperature setting is the same as above. The temperature of the injection die head M2 is set to 240°C. At the same time, a pressurized air is connected to the melt blown die head M2. The air pressure of the pressurized air is 7.2kgf/cm ² , and the air is heated at the same time. The heating temperature is set to 228°C, and sent to the melt blown die head M2, while the air is ejected, the molten TPU is ejected to form TPU fibers. Next, use the perforated conveyor belt C to accumulate the TPU fibers into a web, and release the high-speed wind pressure through the perforated conveyor belt C to form a second fiber web and cover it on the aforementioned woven fabric.

The above-mentioned three-layer fiber structure was heat-pressed with a hot-press wheel at a temperature of 152° C. to control the thickness and flatness.

After grinding the surface of the second fiber web with an 80mesh/160mesh/400mesh grinder, a 0.7mm-thick fluffed high-property environmental protection artificial leather can be obtained, and the resulting The obtained environmentally friendly artificial leather has the following physical properties: weight (ASTM D751): 411g/m2; tensile strength (ASTM D1682): 32kg/inch; elongation at break (ASTM D1682): 40%; tear strength (ASTM D2262) : 7.6Kg.

[Invention Example 3]

Referring to Figure 4A to Figure 4E, put TPU ester pellets with a melting point of 180°C and a Shaw hardness of 70A into the extruder E1 to melt, and the temperature is set to 115°C, 188°C, 205°C and 215°C from the feeding area to the discharging area. ℃, melted and sent to the melt-blown die head M1, the temperature of the melt-blown die head M1 is set to 230°C, and at the same time, a pressurized air is connected to the melt-blown die head M1, and the air pressure of the pressurized air is 6.3kgf/ cm ² , at the same time, the air is heated, the heating temperature is set to 220°C, and it is sent into the melt-blowing die head M1, and the molten TPU is ejected while the air is ejected to form TPU fibers. Next, use the perforated conveyor belt C to accumulate the TPU fibers into a web, and release the high-speed wind pressure through the perforated conveyor belt C to form the first fiber web.

A warp knitted fabric mixed with TPU long fibers of 150den and TPU monofilament long fibers of 150den is placed on the first fiber web.

Put the TPU ester pellets with a melting point of 183°C and a Shaw hardness of 85A into the extruder E2 for melting. The temperature is set at 100°C, 190°C, 220°C, and 230°C in sequence from the feeding area to the discharging area. After melting, it is sent into the melt blown Die head M2, the temperature of melt blown die head M2 is set to 230°C, and at the same time, a pressurized air is connected to the melt blown die head M2, the air pressure of the pressurized air is 6.3kgf/cm ² , and the air is heated at the same time , the heating temperature is set to 220°C, and it is sent into the melt-blowing die head M2, and the molten TPU is ejected while the air is ejected to form TPU fibers. Next, use the perforated conveyor belt C to accumulate the TPU fibers into a web, and release the high-speed wind pressure through the perforated conveyor belt C to form a second fiber web and cover it on the aforementioned warp-knitted fabric.

The above-mentioned three-layer fiber structure was heat-pressed with a hot-press wheel at a temperature of 145° C. to control the thickness and flatness.

Surface grinding of the second web with an 80mesh/200mesh grinder After that, a 1.1mm thickness of fluffed high-property environmentally friendly artificial leather can be obtained, and the obtained environmentally friendly artificial leather has the following physical properties: weight (ASTM D751): 426g/m2; tensile strength (ASTM D1682): 26kg /inch; elongation at break (ASTM D1682): 65%; tear strength (ASTM D2262): 7.2Kg.

[Invention Example 4]

Referring to Figure 8A to Figure 8E, a circular braided fabric mixed with 75den/24F and 150den/48F TPU long fibers is used as the carrier (Carrier), and placed on the hole conveyor belt C.

Put the TPU ester pellets with a melting point of 160°C and a Shaw hardness of 50A into the extruder E1 to melt. The temperature is set to 105°C, 175°C, 195°C and 195°C in sequence from the feeding area to the discharging area. After melting, it is sent to the melt blown Die head M1, the temperature of melt blown die head M1 is set to 220°C, and at the same time, a pressurized air is connected to melt blown die head M1. The air pressure of the pressurized air is 8kgf/cm ² , and the air is heated at the same time. The heating temperature is set to 230°C, and it is sent into the melt-blowing die head M1, and the molten TPU is sprayed out while the air is sprayed out to form TPU fibers, and sprayed on the aforementioned circular braid to form the first fiber web.

Put the TPU ester pellets with a melting point of 180°C and a Shaw hardness of 70A into the extruder E2 to melt. The temperature is set to 125°C, 195°C, 225°C and 235°C in sequence from the feeding area to the discharging area. After melting, it is sent to the melt blown Die head M2, the temperature of melt-blown die head M2 is set to 240°C, and at the same time, a pressurized air is connected to the melt-blown die head M2. The air pressure of the pressurized air is 8kgf/cm ² , and the air is heated at the same time. The heating temperature is set at 250°C, and it is sent into the melt-blowing die head M2, and the molten TPU is sprayed out at the same time as the air is sprayed out to form TPU fibers, and sprayed on the aforementioned first fiber web to form the second fiber web .

The above-mentioned three-layer fiber structure was heat-pressed with a hot-press wheel at a temperature of 145° C. to control the thickness and flatness.

Carry out the second fiber web with the grinder of 160mesh/320mesh/800mesh After the surface is ground, a 0.5mm-thick fluffed high-physical environmental protection artificial leather can be obtained, and the obtained environmental protection artificial leather has the following physical properties: weight (ASTM D751): 340g/m2; tensile strength (ASTM D1682) : 25kg/inch; elongation at break (ASTM D1682): 70%; tear strength (ASTM D2262): 6.3Kg.

The physical property data of the environment-friendly artificial leather of the invention examples 1-4 are summarized in Table 1, and compared with the physical property data of the conventional artificial leather in Table 2, it can be found that the tear strength of the environment-friendly artificial leather of the invention examples 1-4 is excellent In the conventional artificial leather, and Invention Examples 1~4 can produce environmentally friendly artificial leather with only a single melt-blown process, and its manufacturing process is more simplified than conventional artificial leather using a variety of different processes.

The above-mentioned embodiments are only for illustrating the principles and effects of the present invention, and do not limit the present invention. Therefore, those skilled in the art can modify and change the above-mentioned embodiments without departing from the spirit of the present invention. The scope of rights of the present invention should be listed in the scope of patent application described later.

20: artificial leather

21: long fiber fabric

22: The first fiber web

23: Second fiber web

Claims (9)

An artificial leather comprising: a long-fiber fabric; a first fiber web disposed on the long-fiber fabric, the first fiber web being a melt-blown fiber web; and a second fiber web disposed on the first fiber web On the web, the second fiber web is a meltblown fiber web, and the second fiber web has a raised structure. As the artificial leather of claim 1, wherein the material of the long-fiber fabric is thermoplastic polyurethane (TPU). The artificial leather as claimed in claim 1, wherein the fiber fineness of the long-fiber fabric is 20-600den. The artificial leather according to claim 1, wherein the material of the first fiber web is thermoplastic polyurethane (TPU), and the Shore hardness of the thermoplastic polyurethane (TPU) is greater than 60A and less than 40D. The artificial leather according to claim 1, wherein the fiber fineness of the first fiber web is 1-6 den. The artificial leather according to claim 1, wherein the thickness of the first fiber web is 0.3-1.0mm. Such as the artificial leather of claim 1, wherein the material of the second fiber web is thermoplastic polyurethane (TPU), the Shore hardness of the thermoplastic polyurethane (TPU) is greater than 80A and less than 65D. The artificial leather according to claim 1, wherein the fiber fineness of the second fiber web is 0.05-3den. The artificial leather according to claim 1, wherein the thickness of the second fiber web is 0.3-1.0mm.

Images