CN214983931U - Comfortable-to-wear superfine fiber synthetic leather for vamps - Google Patents
Comfortable-to-wear superfine fiber synthetic leather for vamps Download PDFInfo
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- CN214983931U CN214983931U CN202120340453.4U CN202120340453U CN214983931U CN 214983931 U CN214983931 U CN 214983931U CN 202120340453 U CN202120340453 U CN 202120340453U CN 214983931 U CN214983931 U CN 214983931U
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Abstract
The utility model discloses a comfortable-to-wear superfine fiber synthetic leather for vamps, which takes one surface attached to the foot surface of a human body as the inner side and the other surface as the outer side, and comprises a first breathable moisture absorption layer, a second breathable moisture absorption layer and a phase change material layer with a temperature adjusting function from the outside to the inside; the thickness of the phase change material layer is 0.3mm-1mm, the phase change material layer is of a foaming structure, the thickness of the second breathable moisture absorption layer is 0.5mm-1.5mm, the second breathable moisture absorption layer is made of superfine fiber non-woven fabric, and the thickness of the first breathable moisture absorption layer is 0.4mm-2 mm. The utility model discloses set up two-layer ventilative moisture absorption layer, gas permeability and hygroscopicity are good, and the phase change material layer can adapt to ambient temperature, and the vamp of making from this is comfortable and easy to wear.
Description
Technical Field
The utility model relates to a synthetic leather technical field that shoes were used, concretely relates to is a comfortable and easy-to-wear superfine fiber synthetic leather for vamp.
Background
At present, a great amount of synthetic leather is applied in the shoe making industry, however, the problems of poor air permeability, poor moisture absorption and the like often exist after the synthetic leather is used for making leather shoes, so that a wearer can sweat at the foot part after wearing the shoes for a long time, the foot is difficult to discharge, and the foot feeling is uncomfortable; in addition, when the outside temperature is largely changed, the foot of the wearer is easily affected to feel over-heat or over-heat, and the wearer is inconvenienced to change shoes or leave the over-heat or over-heat environment for various reasons, thereby causing discomfort to the wearer.
Accordingly, the present inventors have conducted extensive studies to solve the above problems and have made the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas permeability and hygroscopicity are good, can adapt to ambient temperature, the comfortable superfine fiber synthetic leather of dress.
A comfortable superfine fiber synthetic leather for vamps comprises a first breathable moisture absorption layer, a second breathable moisture absorption layer and a phase change material layer with a temperature adjusting function, wherein the first breathable moisture absorption layer, the second breathable moisture absorption layer and the phase change material layer are sequentially connected from outside to inside;
the thickness of the phase change material layer is 0.3mm-1mm, the phase change material layer is of a foaming structure, the thickness of the second breathable moisture absorption layer is 0.5mm-1.5mm, the second breathable moisture absorption layer is made of superfine fiber non-woven fabric, and the thickness of the first breathable moisture absorption layer is 0.4mm-2 mm.
The first breathable moisture absorption layer is a polyurethane layer.
The phase change material layer is provided with a plurality of first micropores which are communicated with the inner surface and the outer surface of the phase change material layer, and the second breathable moisture absorption layer is provided with a plurality of second micropores which are in one-to-one correspondence with the first micropores. The first breathable moisture absorption layer is provided with a plurality of third micropores which are in one-to-one correspondence with the second micropores and penetrate out of the outer surface of the first breathable moisture absorption layer, each first micropore is communicated with each corresponding second micropore and the corresponding third micropore, and the sizes of the first micropore, the second micropore and the third micropore are all 0.2mm-0.5 mm.
The inner surface of the phase change material layer is concavely provided with a plurality of densely arranged grooves, each groove is in one-to-one correspondence with the first micropores, and the first micropores are arranged at the bottoms of the corresponding grooves.
The second breathable moisture absorption layer is double-component superfine fiber spun-bonded spunlace non-woven fabric.
The outer surface of the first breathable moisture absorption layer is pasted with a PE breathable reflective film, the thickness of the PE breathable reflective film is 0.1mm-0.2mm, and the PE breathable reflective film is provided with a plurality of fourth micropores in one-to-one correspondence with the third micropores.
The outer surface of the first breathable moisture absorption layer is pasted with a one-way water-permeable composite fiber membrane made of breathable materials, and the thickness of the one-way water-permeable composite fiber membrane is 0.1mm-0.2 mm.
The phase change material layer is a PEG type polyurethane layer.
After the technical scheme of the utility model is adopted, because the phase change material layer has the temperature regulating function, the phase change material layer is attached to the foot surface of the human body, so that when a wearer wears the shoe body, the temperature of the phase change material layer can be changed according to the temperature of the foot of the human body; the second breathable moisture absorption layer is made of superfine fiber non-woven fabric, so that the breathable moisture absorption layer has good breathable and moisture-permeable performances.
Furthermore, the first breathable moisture absorption layer is a polyurethane layer, so that the breathable moisture absorption performance is good.
Further, each first micropore is linked together with each second micropore that corresponds and the third micropore that corresponds, the effectual reinforcing the utility model discloses a gas permeability of synthetic leather.
Furthermore, because the inner surface of the phase change material layer is concavely provided with a plurality of densely arranged grooves, the micropores of the phase change material layer correspond to the grooves one to one, and the micropores are arranged at the bottoms of the grooves, so that when the shoe is worn, the grooves form air chambers, and when the shoe is walked, the vamp is extruded, so that the gas can be conveniently discharged, and the air permeability is enhanced.
Furthermore, the second breathable moisture absorption layer is a double-component superfine fiber spun-bonded spunlace nonwoven fabric which has large water absorption capacity, high moisture absorption speed and good air permeability.
Furthermore, because the outer surface of the first breathable moisture absorption layer is pasted with the PE breathable reflective film, the thickness of the PE breathable reflective film is 0.1-0.2 mm, the thickness of the PE reflective film is small, and the PE breathable reflective film is provided with a plurality of fourth micropores in one-to-one correspondence with the third micropores, the outer layer is glossy while good breathability is maintained.
Furthermore, when the unidirectional water-permeable composite fiber membrane is used, the unidirectional water-permeable composite fiber membrane can be set to be unidirectional water-permeable from inside to outside, and the unidirectional water-permeable composite fiber membrane is made of a material with air permeability, and the thickness of the unidirectional water-permeable composite fiber membrane is only 0.1mm-0.2mm, so that the superfine fiber synthetic leather with the unidirectional water-permeable composite fiber membrane adhered to the outer surface has a waterproof function and keeps good air permeability.
Further, because the phase change material layer is the PEG type polyurethane layer, when the ambient temperature is higher than the melting temperature of PEG, the PEG chain segment in the polyurethane layer melts and absorbs heat, so that the feet have cool feeling, and when the ambient temperature is lower than the crystallization temperature, the PEG chain segment crystallizes, the polyurethane layer releases heat, so that the feet feel warm.
Drawings
For ease of illustration, the present invention is described in detail by the following detailed description and accompanying drawings.
FIG. 1 is a schematic view of the comfortable-to-wear microfiber synthetic leather for shoe uppers according to the present invention (with a PE breathable reflective film attached);
fig. 2 is a schematic view of the inner surface of the phase change material layer of the present invention;
fig. 3 is a schematic view of the comfortable-to-wear superfine fiber synthetic leather for the shoe upper (a unidirectional permeable composite fiber membrane is attached).
In the figure:
phase change material layer-1 groove-11
First microporous layer-12 and second gas-permeable moisture-absorbing layer-2
Second microporous-21 first breathable moisture-absorbing layer-3
Third micropore-31 PE reflecting film-4
Fourth micropore-41 one-way permeable composite fiber membrane-5
Detailed Description
In order to further explain the technical solution of the present invention, the following is to the present invention through the specific embodiments, and it is to be explained that the present invention is suitable for manufacturing vamps.
As shown in figures 1 and 2, the comfortable superfine fiber synthetic leather for the vamp takes one surface which is close to the foot surface of a human body as the inner surface and the other surface as the outer surface, and comprises a first breathable moisture absorption layer 3, a second breathable moisture absorption layer 2 and a phase change material layer 1 with a temperature adjusting function from the outside to the inside; the ultrafine fibers in this embodiment mean fibers having a diameter of less than 0.005 mm.
In this embodiment, the phase change material layer 1 is a known PEG type polyurethane layer, that is, the PEG includes soft PEG, and the molecular weight of PEG is greater than 2000, the PEG type polyurethane layer has solid-solid phase change heat storage performance, the phase change is reversible, and has a temperature adjustment function, the second breathable moisture absorption layer 2 is a bicomponent superfine fiber spun-bonded spunlace nonwoven fabric, the first breathable moisture absorption layer 3 is a polyurethane layer, and a superfine fiber layer impregnated with polyurethane can also be adopted.
The thickness of phase change material layer 1 is 1mm, and phase change material layer 1 is the foaming structure, and the thickness of second ventilative moisture absorption layer 2 is 1mm, and the thickness of first ventilative moisture absorption layer 3 is 1.5 mm.
After the scheme is adopted, the phase-change material layer 1 is the PEG type polyurethane layer and has a temperature adjusting function, when the environment temperature is higher than the melting temperature of PEG, the PEG chain segment in the PEG type polyurethane layer is melted and absorbs heat, so that the feet have cool and refreshing feeling, when the environment is lower than the crystallization temperature, the PEG chain segment is crystallized, the PEG type polyurethane layer releases heat, and the feet feel warm; because the second breathable moisture absorption layer 2 is double-component superfine fiber spun-bonded spunlace non-woven fabric and the first breathable moisture absorption layer 3 comprises polyurethane resin, the synthetic leather compounded by the two breathable moisture absorption layers has large water absorption capacity, high moisture absorption speed, good air permeability and good heat dissipation.
Preferably, the phase change material layer 1 is provided with a plurality of first micropores 12 penetrating through the inner and outer surfaces of the phase change material layer 1, and the second breathable moisture absorption layer 2 is provided with a plurality of second micropores 21 corresponding to the first micropores 12 one to one. The first breathable moisture absorption layer 3 is provided with a plurality of third micropores 31 which are in one-to-one correspondence with the second micropores 21 and penetrate out of the outer surface of the first breathable moisture absorption layer 3, and each first micropore 12 is communicated with each corresponding second micropore 21 and each corresponding third micropore 31; in the present embodiment, the sizes of the first micropores 12, the second micropores 21, and the third micropores 31 are all 0.5 mm. The air permeability of the superfine fiber synthetic leather is effectively enhanced through the arrangement.
Preferably, the inner surface of the phase change material layer 1 is concavely provided with a plurality of densely arranged grooves 11, each groove 11 is in one-to-one correspondence with the first micropores 12, and the first micropores 12 are arranged at the bottoms of the corresponding grooves 11. Such setting makes when making shoes dress with this technical scheme's superfine fiber synthetic leather, recess 11 can form the air chamber, and phase change material layer 1 and the instep that recess 11 belongs to are laminated mutually, and during the walking, phase change material layer 1 receives the foot extrusion, and the gas in the recess 11 loops through first micropore 12, second micropore 21 and third micropore 31 and discharges to the gas permeability of this technical scheme's superfine fiber synthetic leather has been strengthened.
Preferably, the outer surface of the first breathable moisture absorption layer 3 is attached with a PE breathable reflective film 4, the thickness of the PE breathable reflective film 4 is 0.1mm-0.2mm, and the PE breathable reflective film 4 is provided with a plurality of fourth micropores 41 in one-to-one correspondence with the third micropores 31. Because the PE breathable reflective film 4 has air permeability, the thickness of the PE breathable reflective film 4 is 0.1mm-0.2mm, the thickness of the PE reflective film 4 is small, and the PE breathable reflective film 4 is provided with a plurality of fourth micropores 41 which are in one-to-one correspondence with the third micropores 31, the PE breathable reflective film 4 keeps good air permeability, and the outer layer of the superfine fiber synthetic leather has luster.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that:
the PE breathable reflective film 4 attached to the outer surface of the first breathable moisture absorption layer 3 is replaced by a one-way permeable composite fiber film 5 made of breathable materials, and the thickness of the one-way permeable composite fiber film 5 is 0.1mm-0.2 mm. Here, it is obvious that the inner layer of the one-way permeable composite fiber membrane 5 is a hydrophilic layer, the outer layer is a hydrophobic layer, the one-way permeable composite fiber membrane 5 can be one-way permeable from inside to outside, and since the one-way permeable composite fiber membrane 5 is made of a material with air permeability, and the thickness of the one-way permeable composite fiber membrane 5 is only 0.1mm-0.2mm, the superfine fiber synthetic leather of the technical scheme has a waterproof function and maintains good air permeability after the one-way permeable composite fiber membrane 5 is attached to the outer surface of the first air-permeable moisture absorption layer 3.
The embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (8)
1. A comfortable and easy-to-wear superfine fiber synthetic leather for vamp, its characterized in that: the foot-care product comprises a first breathable moisture absorption layer, a second breathable moisture absorption layer and a phase change material layer with a temperature regulation function, wherein the first breathable moisture absorption layer, the second breathable moisture absorption layer and the phase change material layer are sequentially connected from outside to inside, and one surface of the first breathable moisture absorption layer, which is close to the foot surface of a human body, is taken as the inside, and the other surface of the first breathable moisture absorption layer is taken as the outside;
the thickness of the phase change material layer is 0.3mm-1mm, the phase change material layer is of a foaming structure, the thickness of the second breathable moisture absorption layer is 0.5mm-1.5mm, the second breathable moisture absorption layer is made of superfine fiber non-woven fabric, and the thickness of the first breathable moisture absorption layer is 0.4mm-2 mm.
2. The comfortable-to-wear microfiber synthetic leather for shoe uppers according to claim 1, wherein: the first breathable moisture absorption layer is a polyurethane layer.
3. The comfortable-to-wear microfiber synthetic leather for shoe uppers according to claim 1, wherein: the phase change material layer is provided with a plurality of first micropores which penetrate through the inner surface and the outer surface of the phase change material layer, and the second breathable moisture absorption layer is provided with a plurality of second micropores which correspond to the first micropores one to one; the first breathable moisture absorption layer is provided with a plurality of third micropores which are in one-to-one correspondence with the second micropores and penetrate out of the outer surface of the first breathable moisture absorption layer, each first micropore is communicated with each corresponding second micropore and the corresponding third micropore, and the sizes of the first micropore, the second micropore and the third micropore are all 0.2mm-0.5 mm.
4. The comfortable-to-wear microfiber synthetic leather for shoe uppers according to claim 3, wherein: the inner surface of the phase change material layer is concavely provided with a plurality of densely arranged grooves, each groove is in one-to-one correspondence with the first micropores, and the first micropores are arranged at the bottoms of the corresponding grooves.
5. The comfortable-to-wear microfiber synthetic leather for shoe uppers according to claim 1, wherein: the second breathable moisture absorption layer is double-component superfine fiber spun-bonded spunlace non-woven fabric.
6. The comfortable-to-wear microfiber synthetic leather for shoe uppers according to claim 3, wherein: the outer surface of the first breathable moisture absorption layer is pasted with a PE breathable reflective film, the thickness of the PE breathable reflective film is 0.1mm-0.2mm, and the PE breathable reflective film is provided with a plurality of fourth micropores in one-to-one correspondence with the third micropores.
7. The comfortable-to-wear microfiber synthetic leather for shoe uppers according to claim 1, wherein: the outer surface of the first breathable moisture absorption layer is pasted with a one-way water-permeable composite fiber membrane made of breathable materials, and the thickness of the one-way water-permeable composite fiber membrane is 0.1mm-0.2 mm.
8. The comfortable-to-wear microfiber synthetic leather for shoe uppers according to claim 1, wherein: the phase change material layer is a PEG type polyurethane layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120340453.4U CN214983931U (en) | 2021-02-05 | 2021-02-05 | Comfortable-to-wear superfine fiber synthetic leather for vamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120340453.4U CN214983931U (en) | 2021-02-05 | 2021-02-05 | Comfortable-to-wear superfine fiber synthetic leather for vamps |
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| Publication Number | Publication Date |
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| CN214983931U true CN214983931U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120340453.4U Active CN214983931U (en) | 2021-02-05 | 2021-02-05 | Comfortable-to-wear superfine fiber synthetic leather for vamps |
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| Country | Link |
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| CN (1) | CN214983931U (en) |
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2021
- 2021-02-05 CN CN202120340453.4U patent/CN214983931U/en active Active
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