Low-temperature-resistant TPU composite artificial leather
By employing convex limiting strips and grooves, along with a breathable mechanism, in composite artificial leather, the problem of surface layer peeling at low temperatures is solved, structural stability and breathability are improved, and wear resistance and comfort are ensured.
Patent Information
- Application Number
- CN202520338556.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Traditional composite synthetic leather is prone to wear and tear between its various surface layers at low temperatures, which can lead to peeling and affect its lifespan and comfort.
The design employs convex limiting strips and limiting grooves to create stable connections between the surface, middle, and bottom layers, and breathable mechanisms are incorporated between each layer. Modified aromatic TPU, polyurethane film, and polyether TPU materials are used to enhance structural stability and breathability.
It enhances the structural stability of the composite artificial leather, prevents it from falling off, provides breathability, and ensures comfort and wear resistance for long-term use.
Smart Images
Figure CN223813649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to artificial leather technical field especially relates to a low temperature resistant TPU composite artificial leather. BACKGROUND
[0002] Composite artificial leather is a kind of synthetic material based on multilayer material, combining different functions, widely used in shoes, clothing, furniture, automotive interiors and other fields, compared with traditional artificial leather, composite artificial leather has better physical properties, durability and aesthetic appearance.
[0003] In the prior art, composite artificial leather is widely used in various fields, and the traditional composite artificial leather is in a long wearing state between each surface layer during long time use, especially in low temperature state, which may cause the peeling phenomenon between each surface layer, thereby causing the damage problem of leather. UTILITY MODEL CONTENTS
[0004] The utility model discloses a low temperature resistant TPU composite artificial leather, including surface layer and intermediate layer and bottom layer, surface layer, intermediate layer, bottom layer are arranged from top to bottom successively, and the lower surface both sides of surface layer are provided with convex limit strip no.
[0005] As the improvement of the above technical scheme, the convex limit strip no.
[0006] As the improvement of the above technical scheme, the surface layer is modified aromatic TPU component.
[0007] As the improvement of the above technical scheme, the intermediate layer includes barrier layer and heat preservation layer, the barrier layer is located at the upper end of heat preservation layer, and the barrier layer and heat preservation layer are connected by adhesive, and the barrier layer is polyurethane film component, and the heat preservation layer is polypropylene fiber component.
[0008] As the improvement of the above technical scheme, the bottom layer is polyether TPU component.
[0009] As the improvement of the above technical scheme, the air permeation mechanism comprises a plurality of through holes one arranged in the inner part of the surface layer, a plurality of through holes two arranged in the inner part of the intermediate layer, and a plurality of through holes three arranged in the inner part of the bottom layer, the through holes one, the through holes two and the through holes three correspond to each other from top to bottom, the inner part of the through holes one is fixedly embedded with an air permeation piece one through an embedded bolt, the inner part of the through holes two is fixedly installed with a rubber sleeve, the inner part of the through holes three is fixedly embedded with an air permeation piece two through an embedded bolt, the inner part of the air permeation piece one and the air permeation piece two is arranged with an air permeation hole, and the air permeation piece one and the air permeation piece two are completely consistent in structure, the lower end of the air permeation piece one is inserted into the inner part of the rubber sleeve, and the upper end of the air permeation piece two is inserted into the inner part of the rubber sleeve.
[0010] The utility model discloses the beneficial effect of:
[0011] Through setting the convex limit strip one and the convex limit groove one between the surface layer and the intermediate layer, setting the convex limit strip two and the convex limit groove two between the intermediate layer and the bottom layer, and the mutual cooperation of the convex limit strip one and the convex limit groove one and the convex limit strip two and the convex limit groove two, the connection between the surface layer, the intermediate layer and the bottom layer can be more stable, the misplacement and mutual falling-off phenomenon can be avoided, thereby the stability of the overall structure is increased, and the air permeation mechanism is arranged between the surface layer, the intermediate layer and the bottom layer, the air permeation mechanism can provide the air permeation performance for the overall mechanism, the damp feeling of the artificial leather in the wearing process can be avoided, thereby the comfort in long time use is ensured. DRAWINGS
[0012] Figure 1 It is the three-dimensional structure diagram of the utility model;
[0013] Figure 2 It is the surface layer and bottom layer structure diagram in the utility model;
[0014] Figure 3 It is the sectional structure diagram of the intermediate layer in the utility model;
[0015] Figure 4 It is the structure diagram of the air permeation piece one, the rubber sleeve and the air permeation piece two in the utility model.
[0016] Sign significance: 1, surface layer, 11, through hole one, 12, convex limit strip one, 2, intermediate layer, 21, convex limit groove one, 22, convex limit strip two, 23, through hole two, 201, barrier layer, 202, heat preservation layer, 3, bottom layer, 31, convex limit groove two, 32, through hole three, 4, air permeation piece one, 5, rubber sleeve, 6, air permeation piece two, 7, embedded bolt, 8, air permeation hole. Specific implementation
[0017] In order to make the utility model purposes, technical schemes and advantages more clearly, the following will be further described in detail. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.
[0018] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of low temperature resistant TPU composite artificial leather, including surface layer 1 and intermediate layer 2 and bottom layer 3, surface layer 1, intermediate layer 2, bottom layer 3 are sequentially arranged from top to bottom, and the lower surface both sides of surface layer 1 are provided with convex limit strip one 12, and convex limit strip one 12 and surface layer 1 are integrally formed, the upper surface both sides of intermediate layer 2 are provided with convex limit groove one 21, the lower surface both sides of intermediate layer 2 are provided with integrally formed convex limit strip two 22, the upper surface of bottom layer 3 is provided with convex limit groove two 31, and surface layer 1, intermediate layer 2, bottom layer 3 are provided with ventilation mechanism, and surface layer 1 and intermediate layer 2 are connected by adhesive, and intermediate layer 2 and bottom layer 3 are connected by adhesive.
[0019] In the embodiment, convex limit strip one 12 and convex limit groove one 21 are arranged between surface layer 1 and intermediate layer 2, convex limit strip two 22 and convex limit groove two 31 are arranged between intermediate layer 2 and bottom layer 3, under the cooperation of convex limit strip one 12 and convex limit groove one 21 and convex limit strip two 22 and convex limit groove two 31, the connection between surface layer 1, intermediate layer 2 and bottom layer 3 is more stable, and the phenomenon of misplacement and mutual falling off is avoided, thereby increasing the stability of the overall structure, and at the same time, ventilation mechanism is arranged between surface layer 1, intermediate layer 2 and bottom layer 3, which can provide ventilation performance for the overall mechanism under the action of ventilation mechanism, avoid the damp feeling of artificial leather during wearing, thereby ensuring the comfort during long time use.
[0020] Specifically, convex limit strip one 12 is inserted into the inside of convex limit groove one 21, convex limit strip two 22 is inserted into the inside of convex limit groove two 31, and convex limit strip one 12 and convex limit groove one 21 correspond and adapt in position, and convex limit strip two 22 and convex limit groove two 31 correspond and adapt in position.
[0021] Specifically, surface layer 1 is a modified aromatic TPU component.
[0022] In the embodiment, surface layer 1 is a modified aromatic TPU, which usually has good wear resistance and strength, can withstand friction and wear, and also shows good low temperature resistance.
[0023] Specifically, the intermediate layer 2 comprises a barrier layer 201 and a thermal insulation layer 202, the barrier layer 201 is located at the upper end of the thermal insulation layer 202, and the barrier layer 201 and the thermal insulation layer 202 are adhesively connected, the barrier layer 201 is a polyurethane film component, and the thermal insulation layer 202 is a polypropylene fiber component.
[0024] In the embodiment, the intermediate layer 2 is provided with the barrier layer 201 and the thermal insulation layer 202, and the waterproof property and the windproof property of the overall structure can be improved under the interaction of the barrier layer 201 and the thermal insulation layer 202, and meanwhile, the thermal insulation performance of the overall structure can be improved.
[0025] Specifically, the bottom layer 3 is a polyether TPU component.
[0026] In the embodiment, the bottom layer 3 is a polyether TPU, the polyether TPU has good flexibility and can form stable adhesion with different materials, so that the stability of the connection between structures is improved.
[0027] Specifically, the air permeation mechanism comprises a plurality of through holes one 11 formed in the surface layer 1, a plurality of through holes two 23 formed in the intermediate layer 2, and a plurality of through holes three 32 formed in the bottom layer 3, the plurality of through holes one 11, the plurality of through holes two 23 and the plurality of through holes three 32 correspond one by one from top to bottom, the air permeation component one 4 is fixedly embedded in the inside of the through hole one 11 through the built-in bolt 7, the rubber sleeve 5 is fixedly installed in the inside of the through hole two 23, the air permeation component two 6 is fixedly embedded in the inside of the through hole three 32 through the built-in bolt 7, the air permeation holes 8 are formed in the inside of the air permeation component one 4 and the air permeation component two 6, the structure of the air permeation component one 4 and the air permeation component two 6 is completely consistent, the lower end of the air permeation component one 4 is inserted into the inside of the rubber sleeve 5, and the upper end of the air permeation component two 6 is inserted into the inside of the rubber sleeve 5.
[0028] In the embodiment, the air permeation mechanism is arranged between the surface layer 1, the intermediate layer 2 and the bottom layer 3, when the surface layer 1, the intermediate layer 2 and the bottom layer 3 are mutually adhered, the lower end of the air permeation component one 4 located in the through hole one 11 is inserted into the inside of the rubber sleeve 5, the upper end of the air permeation component two 6 located in the through hole three 32 is inserted into the inside of the rubber sleeve 5, and the air permeation holes 8 are formed in the inside of the air permeation component one 4 and the air permeation component two 6, so that the air permeation component one 4, the rubber sleeve 5 and the air permeation component two 6 are connected into an integral whole, and under the action of the air permeation holes 8, the air permeation component one 4, the rubber sleeve 5 and the air permeation component two 6 can play the air permeation role for the overall structure, so that the damp feeling of the artificial leather during wearing is avoided, and the comfort during long-time use is ensured.
[0029] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the same.
Claims
1. A low temperature resistant TPU composite artificial leather, comprising a surface layer (1) and an intermediate layer (2) and a bottom layer (3), characterized in that: The surface layer (1), the middle layer (2), and the bottom layer (3) are arranged in order from top to bottom, and the lower surface of the surface layer (1) is provided with a convex limiting strip one (12) on both sides, and the convex limiting strip one (12) and the surface layer (1) are integrally formed, the upper surface of the middle layer (2) is provided with a convex limiting groove one (21) on both sides, the lower surface of the middle layer (2) is provided with an integrally formed convex limiting strip two (22) on both sides, and the upper surface of the bottom layer (3) is provided with a convex limiting groove two (31), and the surface layer (1) and the middle layer (2) are connected by adhesive, and the middle layer (2) and the bottom layer (3) are connected by adhesive.
2. The low-temperature-resistant TPU composite artificial leather according to claim 1, characterized in that: The convex limiting strip one (12) is inserted into the convex limiting groove one (21), the convex limiting strip two (22) is inserted into the convex limiting groove two (31), and the positions of the convex limiting strip one (12) and the convex limiting groove one (21) correspond and adapt, and the positions of the convex limiting strip two (22) and the convex limiting groove two (31) correspond and adapt.
3. The low-temperature-resistant TPU composite artificial leather according to claim 1, characterized in that: The surface layer (1) is a modified aromatic TPU member.
4. The low-temperature-resistant TPU composite artificial leather according to claim 1, characterized in that: The middle layer (2) comprises a barrier layer (201) and a thermal insulation layer (202), the barrier layer (201) is located at the upper end of the thermal insulation layer (202), and the barrier layer (201) and the thermal insulation layer (202) are connected by adhesive, and the barrier layer (201) is a polyurethane film member, and the thermal insulation layer (202) is a polypropylene fiber member.
5. The low-temperature-resistant TPU composite artificial leather according to claim 1, characterized in that: The bottom layer (3) is a polyether TPU member.
6. The low-temperature-resistant TPU composite artificial leather according to claim 1, characterized in that: The air permeable mechanism comprises a plurality of through holes one (11) formed in the surface layer (1), a plurality of through holes two (23) formed in the middle layer (2), and a plurality of through holes three (32) formed in the bottom layer (3), and the through holes one (11), the through holes two (23), and the through holes three (32) correspond one by one from top to bottom, the through holes one (11) are fixedly embedded with air permeable members one (4) through built-in bolts (7) inside, the through holes two (23) are fixedly installed with rubber sleeves (5) inside, the through holes three (32) are fixedly embedded with air permeable members two (6) through built-in bolts (7) inside, the air permeable members one (4) and the air permeable members two (6) are both provided with air permeable holes (8) inside, and the air permeable members one (4) and the air permeable members two (6) are completely identical in structure, the lower end of the air permeable members one (4) is inserted into the inside of the rubber sleeve (5), and the upper end of the air permeable members two (6) is inserted into the inside of the rubber sleeve (5).