CN219947546U - High-strength polyethylene modified TPU high-low temperature film - Google Patents
High-strength polyethylene modified TPU high-low temperature film Download PDFInfo
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- CN219947546U CN219947546U CN202321420488.4U CN202321420488U CN219947546U CN 219947546 U CN219947546 U CN 219947546U CN 202321420488 U CN202321420488 U CN 202321420488U CN 219947546 U CN219947546 U CN 219947546U
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- -1 polyethylene Polymers 0.000 title claims abstract description 29
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 28
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 28
- 239000010410 layer Substances 0.000 claims abstract description 159
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 34
- 239000004831 Hot glue Substances 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 7
- 239000004433 Thermoplastic polyurethane Substances 0.000 abstract description 60
- 229920002803 thermoplastic polyurethane Polymers 0.000 abstract description 60
- 239000004814 polyurethane Substances 0.000 abstract description 57
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000003086 colorant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003371 toe Anatomy 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model relates to the technical field of TPU (thermoplastic polyurethane), in particular to a high-strength polyethylene modified TPU high-low temperature film which comprises a first PU film layer, a first TPU film layer, a PU composite film layer, a second TPU film layer and a hot melt adhesive layer, wherein the PU composite film layer comprises an aramid fiber yarn layer, a second PU film main layer and a second PU film auxiliary layer, and the aramid fiber yarn layer is arranged between the second PU film main layer and the second PU film auxiliary layer; the first PU rete sets up in the upper surface of first TPU rete, the second PU rete owner layer sets up in the lower surface of first TPU rete, the second PU rete sets up in the upper surface of second TPU rete, the hot melt adhesive layer sets up in the lower surface of second TPU rete. The high-strength polyethylene modified TPU high-low temperature film has the advantages of corrosion resistance, wear resistance, high strength, good toughness, light weight, difficult deformation, impact resistance and the like, and is simple in structure and convenient to use.
Description
Technical Field
The utility model relates to the technical field of TPU (thermoplastic polyurethane), in particular to a high-strength polyethylene modified TPU high-low temperature film.
Background
At present, many shoes are light, and a net vamp is adopted, but the net vamp has many problems, the support is insufficient, the vamp is easy to collapse and wrinkle, the appearance of the shoes is affected, the structure is simple, holes are easy to break, the impact resistance is poor, the vamp is damaged due to overlarge impact force absorbed by the vamp in the running or competition process, the toes of many athletes wear out of the vamp, the toes are injured, and the protection to the feet of the athletes is poor.
Disclosure of Invention
In order to overcome the defects and the shortcomings in the prior art, the utility model aims to provide the high-low temperature film of the high-strength polyethylene modified TPU, which is convenient to use and high in practicability.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the high-strength polyethylene modified TPU high-low temperature film comprises a first PU film layer, a first TPU film layer, a PU composite film layer, a second TPU film layer and a hot melt adhesive layer, wherein the PU composite film layer comprises an aramid fiber yarn layer, a second PU film main layer and a second PU film auxiliary layer, and the aramid fiber yarn layer is arranged between the second PU film main layer and the second PU film auxiliary layer; the first PU rete sets up in the upper surface of first TPU rete, the second PU rete owner layer sets up in the lower surface of first TPU rete, the second PU rete sets up in the upper surface of second TPU rete, the hot melt adhesive layer sets up in the lower surface of second TPU rete.
Further, the first TPU film layer and the second TPU film layer are both polyethylene modified TPU film layers.
Further, the aramid fiber yarn layer comprises a plurality of warp yarns arranged at intervals and a plurality of weft yarns arranged at intervals, the warp yarns are intersected with the weft yarns, and the aramid fiber yarn layer is formed by vertically and horizontally weaving the plurality of warp yarns and the plurality of weft yarns.
Further, the distance between the adjacent warp threads is 0.01-0.03mm; the distance between adjacent wefts is 0.01-0.03mm.
Further, the first PU film layer is a dry coating, and the thickness of the first PU film layer is 0.08-0.1mm.
Further, the thickness of the aramid fiber yarn layer is 0.1-0.2mm.
Further, the thickness of the second PU film main layer is 0.1-0.2mm; the thickness of the second PU film auxiliary layer is 0.1-0.2mm.
Further, the thickness of the first TPU film layer is 0.1-0.3mm.
Further, the thickness of the second TPU film layer is 0.1-0.3mm.
Further, the thickness of the hot melt adhesive layer is 0.1-0.3mm.
Further, the aramid fiber yarn layer adopts the leno weave, the aramid fiber yarn layer includes warp and the weft that many intervals set up of many intervals set up, warp and weft intersect, warp includes ground warp and hank warp, ground warp and hank warp intertwine, just leave a plurality of intervals set up the gap between ground warp and the hank warp, the weft passes adjacent gap in proper order.
The utility model has the beneficial effects that: the high-strength polyethylene modified TPU high-low temperature film has the advantages of corrosion resistance, wear resistance, high strength, good toughness, light weight, difficult deformation, impact resistance and the like, and is simple in structure and convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of the aramid fiber yarn layer of example 1;
fig. 3 is a schematic structural view of the aramid fiber yarn layer of example 2.
The reference numerals include:
1. a first PU film layer; 2. a first TPU film layer; 3. a PU composite film layer; 31. an aramid fiber yarn layer; 311. warp threads; 3111. a ground warp; 3112. twisting the warp; 3113. a slit; 312. a weft thread; 32. a second PU film main layer; 33. a second PU film sub-layer; 4. a second TPU film layer; 5. and a hot melt adhesive layer.
Detailed Description
The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Example 1
1-2, the high-strength polyethylene modified TPU high-low temperature film comprises a first PU film layer 1, a first TPU film layer 2, a PU composite film layer 3, a second TPU film layer 4 and a hot melt adhesive layer 5, wherein the PU composite film layer 3 comprises an aramid fiber yarn layer 31, a second PU film main layer 32 and a second PU film auxiliary layer 33, and the aramid fiber yarn layer 31 is arranged between the second PU film main layer 32 and the second PU film auxiliary layer 33; the first PU film layer 1 is arranged on the upper surface of the first TPU film layer 2, the second PU film main layer 32 is arranged on the lower surface of the first TPU film layer 2, the second PU film auxiliary layer 33 is arranged on the upper surface of the second TPU film layer 4, and the hot melt adhesive layer 5 is arranged on the lower surface of the second TPU film layer 4.
In this embodiment, the second PU film main layer 32 and the second PU film sub-layer 33 are made of the same material, that is, the aramid fiber yarn layer 31 is immersed in the PU resin, so that the aramid fiber yarn layer 31 is disposed between the second PU film main layer 32 and the second PU film sub-layer 33.
The high-strength polyethylene modified TPU high-low temperature film comprises a first PU film layer 1, a first TPU film layer 2, a second PU film main layer 32, an aramid fiber yarn layer 31, a second PU film auxiliary layer 33, a second TPU film layer 4 and a hot melt adhesive layer 5 which are sequentially arranged from top to bottom, wherein the first PU film layer 1 has the characteristics of water resistance, ventilation and the like, can be set into different colors according to the needs, has the colors of white, beige, ivory white, transparent and the like, and can also be modulated into special colors; the first TPU film layer 2 and the second TPU film layer 4 have corrosion resistance, impact resistance and other properties; the hot melt adhesive layer 5 can firmly bond the high-strength polyethylene modified TPU high-low temperature film on the surface of a product; the aramid fiber yarn layer 31 adopts aramid fiber 1414 and has the characteristics of low density, high strength, good toughness, tear resistance, difficult deformation and the like; the second PU film main layer 32 and the second PU film sub-layer 33 have the characteristics of oil resistance, wear resistance, low temperature resistance, aging resistance, elasticity and the like, so that the high-strength polyethylene modified TPU high-low temperature film of the utility model has the advantages of corrosion resistance, wear resistance, high strength, good toughness, light weight, difficult deformation, impact resistance and the like, and has the advantages of simple structure and convenient use.
Further, the first TPU film layer 2 and the second TPU film layer 4 are both polyethylene modified TPU film layers, and the first TPU film layer 2 and the second TPU film layer 4 are made of the existing polyethylene modified TPU material. The first TPU film layer 2 and the second TPU film layer 4 have corrosion resistance, impact resistance and other properties.
Further, the aramid fiber yarn layer 31 includes a plurality of warp yarns 311 arranged at intervals and a plurality of weft yarns 312 arranged at intervals, the warp yarns 311 intersect with the weft yarns 312, and the aramid fiber yarn layer 31 is formed by weaving the plurality of warp yarns 311 and the plurality of weft yarns 312. Specifically, each warp yarn 311 sequentially passes through a plurality of weft yarns 312 arranged at intervals, and two adjacent warp yarns 311 are respectively positioned at two sides of the corresponding weft yarn 312, that is, the weft yarns 312 and the warp yarns 311 are crisscross woven into a net structure. The warp yarn 311 and the weft yarn 312 of the present embodiment each use aramid 1414. The aramid fiber yarn layer 31 of the present embodiment has excellent characteristics of lightness, high strength, good toughness, tear resistance, non-deformability, and the like.
Further, the thickness of the aramid fiber yarn layer 31 is 0.1-0.2mm. Preferably, the thickness of the aramid fiber yarn layer 31 is 0.15mm.
Further, the distance between the adjacent warp yarns 311 is 0.01-0.03mm; the distance between adjacent wefts 312 is 0.01-0.03mm. Preferably, the distance between adjacent warp yarns 311 is 0.01mm; the distance between adjacent wefts 312 is 0.01mm. It is possible to ensure that the aramid fiber yarn layer 31 has good strength, tear resistance and toughness.
Furthermore, the first PU film layer 1 is a dry coating, specifically, PU paint is directly coated on the surface of the first TPU film layer 2 to form a continuous film, the process is simple, the production efficiency is high, and the pollution is small.
Further, the thickness of the first PU film layer 1 is 0.08-0.1mm. Preferably, the thickness of the first PU film layer 1 is 0.08mm.
Further, the thickness of the second PU film main layer 32 is 0.1-0.2mm; the thickness of the second PU film layer is 0.1-0.2mm. Preferably, the second PU film main layer 32 has a thickness of 0.1mm; the thickness of the second PU film layer is 0.1mm.
Further, the thickness of the first TPU film layer 2 is 0.1-0.3mm. Preferably, the thickness of the first TPU film layer 2 is 0.2mm.
Further, the thickness of the second TPU film layer 4 is 0.1-0.3mm. Preferably, the thickness of the second TPU film layer 4 is 0.2mm
Further, the thickness of the hot melt adhesive layer 5 is 0.1-0.3mm. Preferably, the thickness of the hot melt adhesive layer 5 is 0.1mm. In this embodiment, the hot melt adhesive layer 5 is a TPU hot melt adhesive layer 5, and the high-strength polyethylene modified TPU high-low temperature film can be firmly adhered to the surface of the product by adopting the hot melt adhesive layer 5, so that the high-strength polyethylene modified TPU high-low temperature film has the advantages of three-dimensional effect, convenient use and the like.
Example 2
As shown in fig. 3, unlike in embodiment 1, the aramid fiber yarn layer 31 of this embodiment adopts a leno weave, the aramid fiber yarn layer 31 includes a plurality of warp yarns 311 arranged at intervals and a plurality of weft yarns 312 arranged at intervals, the warp yarns 311 intersect with the weft yarns 312, the warp yarns 311 include a ground warp 3111 and a twist warp 3112, and the ground warp 3111 and the twist warp 3112 are intertwined, that is, the ground warp 3111 and the twist warp 3112 are intertwined with each other to form a single yarn to form the warp yarns 311. And a plurality of gaps 3113 are left between the ground warp 3111 and the warp 3112, and the weft 312 sequentially passes through the adjacent gaps 3113, that is, the ground warp 3111 and the warp 3112 are located at two sides of the weft 312.
In this embodiment, the warp yarn 311 and the weft yarn 312 intersect perpendicularly.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. A high-strength polyethylene modified TPU high and low temperature film, characterized by: the PU composite film comprises a first PU film layer (1), a first TPU film layer (2), a PU composite film layer (3), a second TPU film layer (4) and a hot melt adhesive layer (5), wherein the PU composite film layer (3) comprises an aramid fiber yarn layer (31), a second PU film main layer (32) and a second PU film auxiliary layer (33), and the aramid fiber yarn layer (31) is arranged between the second PU film main layer (32) and the second PU film auxiliary layer (33); the first PU membrane layer (1) is arranged on the upper surface of the first TPU membrane layer (2), the second PU membrane main layer (32) is arranged on the lower surface of the first TPU membrane layer (2), the second PU membrane auxiliary layer (33) is arranged on the upper surface of the second TPU membrane layer (4), and the hot melt adhesive layer (5) is arranged on the lower surface of the second TPU membrane layer (4).
2. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the first TPU film layer (2) and the second TPU film layer (4) are both polyethylene modified TPU film layers.
3. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the aramid fiber yarn layer (31) comprises a plurality of warp yarns (311) arranged at intervals and a plurality of weft yarns (312) arranged at intervals, wherein the warp yarns (311) are intersected with the weft yarns (312), and the aramid fiber yarn layer (31) is formed by weaving the warp yarns (311) and the weft yarns (312).
4. A high strength polyethylene modified TPU high and low temperature film according to claim 3 wherein: the distance between the adjacent warp yarns (311) is 0.01-0.03mm; the distance between adjacent wefts (312) is 0.01-0.03mm.
5. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the first PU film layer (1) is a dry coating.
6. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the thickness of the aramid fiber yarn layer (31) is 0.1-0.2mm.
7. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the thickness of the second PU film main layer (32) is 0.1-0.2mm; the thickness of the second PU film auxiliary layer is 0.1-0.2mm.
8. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the thickness of the first TPU film layer (2) is 0.1-0.3mm; the thickness of the second TPU film layer (4) is 0.1-0.3mm.
9. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the thickness of the hot melt adhesive layer (5) is 0.1-0.3mm.
10. A high strength polyethylene modified TPU high and low temperature film according to claim 1, wherein: the utility model provides an aramid fiber yarn layer (31) adopts the leno weave, aramid fiber yarn layer (31) include warp (311) and weft (312) that many intervals set up, warp (311) are crossing with weft (312), warp (311) are including ground warp (3111) and hank warp (3112), ground warp (3111) and hank warp (3112) intertwine, just leave gap (3113) that many intervals set up between ground warp (3111) and hank warp (3112), weft (312) pass adjacent gap (3113) in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420488.4U CN219947546U (en) | 2023-06-05 | 2023-06-05 | High-strength polyethylene modified TPU high-low temperature film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420488.4U CN219947546U (en) | 2023-06-05 | 2023-06-05 | High-strength polyethylene modified TPU high-low temperature film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219947546U true CN219947546U (en) | 2023-11-03 |
Family
ID=88550377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321420488.4U Active CN219947546U (en) | 2023-06-05 | 2023-06-05 | High-strength polyethylene modified TPU high-low temperature film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219947546U (en) |
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2023
- 2023-06-05 CN CN202321420488.4U patent/CN219947546U/en active Active
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