CN217012955U - High-viscosity composite hot-melt adhesive sheet for soles - Google Patents
High-viscosity composite hot-melt adhesive sheet for soles Download PDFInfo
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- CN217012955U CN217012955U CN202220976315.XU CN202220976315U CN217012955U CN 217012955 U CN217012955 U CN 217012955U CN 202220976315 U CN202220976315 U CN 202220976315U CN 217012955 U CN217012955 U CN 217012955U
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Abstract
The utility model discloses a high-viscosity composite hot-melt adhesive sheet for a sole, which comprises a composite hot-melt adhesive sheet body, wherein the composite hot-melt adhesive sheet body comprises a first hot-melt adhesive layer, a second hot-melt adhesive layer, a high-density fiber layer, a third hot-melt adhesive layer and a sole layer which are sequentially arranged from top to bottom, the first hot-melt adhesive layer and the high-density fiber layer are bonded through the second hot-melt adhesive layer, and the high-density fiber layer and the sole layer are bonded through the third hot-melt adhesive layer. According to the utility model, the first hot melt adhesive layer is an EVA hot melt adhesive film, the second hot melt adhesive layer and the third hot melt adhesive layer are TPU hot melt adhesive films, and according to the characteristic that the EVA foaming sole and the vamp are both composed of vinyl acetate copolymer, strong attraction force is generated between molecules during bonding, so that the EVA foaming sole and the vamp can be firmly adhered together, and the high viscosity of the sole is effectively improved; utilize TPU hot melt adhesive membrane with sole and high fibre layer and the bonding of first hot melt adhesive layer, the water-fast washing performance is good, and the gas permeability is good, effectively improves the waterproof and gas permeability of sole.
Description
Technical Field
The utility model relates to the technical field of shoe material manufacturing, in particular to a high-viscosity composite hot-melt adhesive sheet for soles.
Background
The hot melt adhesive is a plastic adhesive, the physical state of the hot melt adhesive changes along with the change of temperature within a certain temperature range, the chemical property of the hot melt adhesive is unchanged, and the hot melt adhesive is non-toxic and tasteless, belongs to an environment-friendly chemical product, and is convenient to package, transport and store, and has no solvent, pollution or toxicity because the product is a solid; the shoe sole is prepared by the steps of preparing a hot melt adhesive, coating a hot melt adhesive on the shoe sole, coating a layer of adhesive on the shoe sole, and coating a layer of adhesive on the shoe sole. The existing composite hot melt adhesive sheet sole usually adopts the same hot melt adhesive sheet or hot melt adhesive film, and because the sole is made of different materials, the same hot melt adhesive sheet can cause poor cohesiveness and poor overall strength, and the situation of fracture easily occurs in the use process, so that the high-viscosity composite hot melt adhesive sheet is needed to be improved.
Chinese patent (No. CN210855947U), it discloses a PES sole bonding hot melt film, there are bonding film layers on the upper and lower surfaces of the hot melt film body, the bonding film layer is hydrophobic transparent film, the hot melt film body is provided with a dilute gauze layer, a scratch-resistant layer, a wear-resistant layer, a drying layer, a fire-resistant layer, an anti-corrosion layer, a moisture-resistant layer and a dense gauze layer from top to bottom, the wear-resistant layer is filled with wear-resistant material, the drying layer is provided with desiccant, the fire-resistant layer is filled with fire-resistant material, the corrosion-resistant layer is filled with corrosion-resistant material, the dilute gauze layer, the scratch-resistant layer, the wear-resistant layer, the drying layer, the fire-resistant layer, the anti-moisture-resistant layer and the dense gauze layer are all bonded into an integral structure by hot melt adhesive, compared with the existing hot melt film, the utility model can improve the service life of the hot melt film by design, Economy, safety, and practicality.
This scheme still has some weak points in using, because this utility model does not mention the material of sole, the sole divides a large number of different materials, mainly includes leather, rubber, EVA foaming etc. and the hot melt film of different materials need be adopted to the sole material of difference to this utility model all adopts the PES hot melt film with the money in the face of different materials, can not reach better high degree of adhesion, and simultaneously, the sole needs the vamp to press to scald the bonding, needs to adopt more suitable hot melt film at last. Therefore, the composite hot melt adhesive sheet of the sole needs to be improved to overcome the above mentioned limitations, so that the hot melt adhesive sheet of the sole has high viscosity, the service life of the sole is prolonged, and the practicability of the composite hot melt adhesive sheet is improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a high-viscosity composite hot-melt adhesive sheet for soles, which mainly aims to overcome the defects in the prior art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a compound hot melt adhesive piece of sole high viscosity, includes compound hot melt adhesive piece body, compound hot melt adhesive piece body includes from last first hot melt adhesive layer, second hot melt adhesive layer, high density fibre layer, third hot melt adhesive layer and the sole layer that sets gradually extremely down, first hot melt adhesive layer with the high density fibre layer passes through second hot melt adhesive layer bonds, the high density fibre layer with the sole layer passes through third hot melt adhesive layer bonds.
Furthermore, the first hot melt adhesive layer is an EVA hot melt adhesive sheet with release paper, and the EVA hot melt adhesive sheet has the use temperature of 100-120 ℃ and has elasticity.
Furthermore, the upper surface of the EVA hot melt adhesive sheet is bonded with a vamp by pressing.
Furthermore, the second hot melt adhesive layer and the third hot melt adhesive layer are TPU hot melt adhesive films without backing paper.
Furthermore, the melting point range of the TPU hot melt adhesive film is between 105 ℃ and 120 ℃, and the TPU hot melt adhesive film has elasticity.
Still further, the sole layer includes EVA foaming sole and wearing layer, and this wearing layer sets up in the bottom of EVA foaming sole.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the utility model, the first hot melt adhesive layer, the second hot melt adhesive layer and the third hot melt adhesive layer are respectively arranged on the sole, the first hot melt adhesive layer is an EVA hot melt adhesive film, the second hot melt adhesive layer and the third hot melt adhesive layer are TPU hot melt adhesive films, the sole and the vamp are pressed and bonded by the EVA hot melt adhesive film, and according to the characteristic that the EVA foamed sole and the vamp are both composed of vinyl acetate copolymers, strong attraction is generated between molecules during bonding, so that the EVA foamed sole and the vamp can be firmly bonded together, and the high viscosity of the sole is effectively improved.
2. According to the utility model, the sole, the high-fiber layer and the high-fiber layer are bonded with the first hot melt adhesive layer by virtue of the characteristic of good double-sided bonding performance of the TPU hot melt adhesive film, compared with hot melt adhesives made of other materials, the TPU hot melt adhesive film has the advantages of better chemical stability, high elasticity, good water washing resistance and good air permeability, can effectively improve the waterproof and air permeability of the sole, and is suitable for a sole composite hot melt adhesive sheet.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the technical solution adopted by the present invention is as follows: the utility model provides a compound hot melt film of high viscosity of sole, includes compound hot melt film body 1, compound hot melt film body 1 includes from last to the first hot melt adhesive layer 2 that sets gradually down, second hot melt adhesive layer 3, high density fibre layer 4, third hot melt adhesive layer 5 and sole layer 6, first hot melt adhesive layer 2 with high density fibre layer 4 passes through 3 bonds of second hot melt adhesive layer, high density fibre layer 4 with sole layer 6 passes through 5 bonds of third hot melt adhesive layer.
Furthermore, the first hot melt adhesive layer 2 is an EVA hot melt adhesive sheet with release paper, and the EVA hot melt adhesive sheet has an application temperature of 100-120 ℃ and elasticity.
Furthermore, the upper surface of the EVA hot melt adhesive sheet is bonded with a vamp 7 by pressing.
Further, the second hot melt adhesive layer 3 and the third hot melt adhesive layer 5 are TPU hot melt adhesive films without backing paper.
Furthermore, the melting point range of the TPU hot melt adhesive film is between 105 ℃ and 120 ℃, and the TPU hot melt adhesive film has elasticity.
Further, the sole layer 6 includes an EVA foamed sole 61 and a wear layer 62, and the wear layer 62 is disposed at the bottom of the EVA foamed sole 61.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the utility model, the first hot melt adhesive layer, the second hot melt adhesive layer and the third hot melt adhesive layer are respectively arranged on the sole, the first hot melt adhesive layer is an EVA hot melt adhesive film, the second hot melt adhesive layer and the third hot melt adhesive layer are TPU hot melt adhesive films, the sole and the vamp are pressed and bonded by the EVA hot melt adhesive film, and according to the characteristic that the EVA foamed sole and the vamp are both composed of vinyl acetate copolymers, strong attraction is generated between molecules during bonding, so that the EVA foamed sole and the vamp can be firmly bonded together, and the high viscosity of the sole is effectively improved.
2. According to the utility model, the sole, the high fiber layer and the high fiber layer are bonded with the first hot melt adhesive layer by virtue of the characteristic of good double-sided adhesive performance of the TPU hot melt adhesive film, compared with hot melt adhesives made of other materials, the TPU hot melt adhesive film has the advantages of better chemical stability, elasticity, good water washing resistance and good air permeability, can effectively improve the waterproof and air permeability of the sole, and is suitable for a sole composite hot melt adhesive sheet.
The above description is only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention using this concept shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a compound hot melt film of sole high viscosity which characterized in that: including compound hot melt film body, compound hot melt film body includes from last first hot melt adhesive layer, second hot melt adhesive layer, high density fiber layer, third hot melt adhesive layer and the sole layer that sets gradually extremely down, first hot melt adhesive layer with the high density fiber layer passes through the bonding of second hot melt adhesive layer, the high density fiber layer with the sole layer passes through the bonding of third hot melt adhesive layer.
2. The high-viscosity composite hot-melt adhesive sheet for soles according to claim 1, characterized in that: the first hot melt adhesive layer is an EVA hot melt adhesive sheet with release paper, and the EVA hot melt adhesive sheet has the use temperature of 100-120 ℃ and elasticity.
3. The high-viscosity composite hot-melt adhesive sheet for soles according to claim 2, characterized in that: the upper surface of the EVA hot melt adhesive sheet is bonded with a vamp through pressing.
4. The high-viscosity composite hot-melt adhesive sheet for soles according to claim 1, characterized in that: the second hot melt adhesive layer and the third hot melt adhesive layer are TPU hot melt adhesive films without backing paper.
5. The high-viscosity composite hot-melt adhesive sheet for soles according to claim 4, wherein: the melting point range of the TPU hot melt adhesive film is between 105 ℃ and 120 ℃, and the TPU hot melt adhesive film has elasticity.
6. The high-viscosity composite hot-melt adhesive sheet for soles according to claim 1, characterized in that: the sole layer comprises an EVA foaming sole and a wear-resistant layer, and the wear-resistant layer is arranged at the bottom of the EVA foaming sole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220976315.XU CN217012955U (en) | 2022-04-24 | 2022-04-24 | High-viscosity composite hot-melt adhesive sheet for soles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220976315.XU CN217012955U (en) | 2022-04-24 | 2022-04-24 | High-viscosity composite hot-melt adhesive sheet for soles |
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| CN217012955U true CN217012955U (en) | 2022-07-22 |
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| CN202220976315.XU Active CN217012955U (en) | 2022-04-24 | 2022-04-24 | High-viscosity composite hot-melt adhesive sheet for soles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024026920A1 (en) * | 2022-08-01 | 2024-02-08 | 广东汇齐新材料有限公司 | Composite hot melt adhesive film for soles and preparation method therefor |
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2022
- 2022-04-24 CN CN202220976315.XU patent/CN217012955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024026920A1 (en) * | 2022-08-01 | 2024-02-08 | 广东汇齐新材料有限公司 | Composite hot melt adhesive film for soles and preparation method therefor |
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