The principle of windproof technology of TPU composite silver fox sued fabric in tent manufacturing 1. Overview of TPU composite silver fox fur fabric TPU (Thermoplastic Polyurethane) composite sil...
The principle of windproof technology of TPU composite silver fox sued fabric in tent manufacturing
1. Overview of TPU composite silver fox fur fabric
TPU (Thermoplastic Polyurethane) composite silver fox sued fabric is a high-performance functional fabric combining thermoplastic polyurethane films and bionic fiber materials, and is widely used in the field of outdoor equipment. This fabric is made by combining the TPU film with a silver fox velvet fiber layer, which combines excellent waterproof, breathable and warm performance, and has excellent windproof effects. As a bionic fiber, silver fox velvet imitates the Arctic fox hair structure design, with excellent thermal insulation and soft touch, while the TPU film provides excellent waterproof barrier and mechanical strength. The synergistic effect of the two makes the fabric a high-end tent Ideal for manufacturing.
1.1 Basic fabric parameters
The following are the main technical parameters of TPU composite silver fox sued fabric:
| parameter name | Unit | Value Range |
|---|---|---|
| Thickness | mm | 0.25-0.40 |
| Density | g/m² | 180-220 |
| Tear Strength | N | ≥30 |
| Tension Strength | MPa | ≥15 |
| Moisture permeability | g/m²·24h | ≥5000 |
| Waterproof Grade | mmH₂O | ≥10000 |
1.2 Application Background
With the popularity of outdoor sports, consumers’ functional requirements for tents are increasing. Although traditional tent fabrics such as nylon or polyester have certain waterproof and durability, windproof performance in extreme climates is often difficult to meet the needs. With its unique multi-layer structural design, TPU composite silver fox fur fabric significantly improves the windproof ability of the tent while maintaining lightweight, providing outdoor enthusiasts with a more comfortable experience.
2. The windproof technology principle of TPU composite silver fox sued fabric
2.1 Multi-layer structure design and airflow barrier mechanism
TPU compositeThe silver fox velvet fabric adopts a three-layer composite structure: the outer layer is a high-density fabric base fabric, the middle layer is a TPU film, and the inner layer is a silver fox velvet fiber layer. This multi-layer design not only optimizes the overall performance of the fabric, but also achieves efficient airflow barrier through the synergistic effect between different materials.
2.1.1 The role of TPU film
As the core functional layer, TPU film has the following characteristics:
- Low breathability: TPU molecules are densely structured and can effectively prevent air molecules from penetrating.
- Moderate flexibility: Compared with other plastic films, TPU has better flexibility and tear resistance, ensuring that the fabric is not easily damaged in complex environments.
- Strong weather resistance: TPU has high resistance to ultraviolet rays and chemical corrosion, extending the service life of the fabric.
According to research data from the famous foreign document “Polymer Testing”, the breathability of TPU film is only 0.002 cm³/(cm²·s), which is far lower than the breathability level of ordinary textiles (usually 0.05-0.1 cm³/(cm²··· s)). This feature makes it an ideal windproof barrier.
2.1.2 Function of silver fox velvet fiber layer
The silver fox velvet fiber layer simulates the microstructure of Arctic fox hair, enhancing windproof performance by:
- Micropore distribution: The surface of the silver fox velvet fiber is covered with fine grooves, forming a complex maze-like channel, increasing air flow resistance.
- Electrical Effect: The fiber surface has an electrostatic charge, which can absorb tiny particles and moisture in the airflow, further reducing air penetration.
Study shows that the airflow transmittance of the silver fox velvet fiber layer is only 1/5 of that of ordinary cotton fabrics. The specific values are shown in the table below:
| Material Type | Air flow transmittance (L/min·cm²) |
|---|---|
| Ordinary cotton fabric | 0.06 |
| Silver Fox Fur velvet fiber layer | 0.012 |
2.1.3 Function of fabric base cloth
The outer fabric base fabric is made of high-strength and high-density polyester fibers, which protects the internal functional layer and provides support. Its tight warp and weft interwoven structure further reduces the external airThe possibility of flow entry.
2.2 Principles of thermodynamics and temperature gradient regulation
The comfort level inside the tent depends largely on the control of internal and external temperature differences. TPU composite silver fox fur fabric realizes optimized management of temperature gradient by adjusting the heat transfer path.
2.2.1 Internal insulation mechanism
The porous structure of the silver fox velvet fiber layer can capture a large amount of still air and form a stable thermal insulation layer. According to the study of Journal of Textile Science & Engineering, the thermal conductivity of still air is only 0.025 W/(m·K), which is much lower than the thermal conductivity of solid materials (such as 0.15 W/(m·K of polyester fibers) ). Therefore, the silver fox velvet fiber layer can effectively slow down heat loss and maintain warmth in the tent.
2.2.2 External cold air isolation
The low thermal conductivity and high sealing properties of the TPU film prevent the cold air from penetrating inwardly while preventing the internal hot air from escaping. This two-way barrier effect ensures the insulation of the tent in cold environments.
2.3 Dynamic environment adaptability
TPU composite silver fox sued fabric is not only suitable for static windproof scenarios, but also performs well in dynamic environments. For example, under strong wind conditions, the elastic recovery ability of the fabric allows it to deform with the wind without destroying the air tightness; while in environments with high humidity, the moisture permeability of the TPU film ensures the effective discharge of internal moisture, avoiding the cause of Discomfort caused by condensation.
3. Comparative analysis of TPU composite silver fox fur fabric and other common fabrics
In order to more intuitively show the advantages of TPU composite silver fox fur fabric, we compare it with several other commonly used tent fabrics, see the table below for details:
| Fabric Type | Windproof Performance Score (out of 10 points) | Breathable performance score (out of 10 points) | Durability score (out of 10 points) | Unit weight (g/m²) |
|---|---|---|---|---|
| TPU composite silver fox velvet | 9.5 | 8.0 | 9.0 | 200 |
| Polyester coated fabric | 7.0 | 6.5 | 8.0 | 150 |
| Nylon waterproof fabric | 6.5 | 7.0 | 7.5 | 160 |
| PVC coated canvas | 8.5 | 5.0 | 9.5 | 300 |
It can be seen from the table that TPU composite silver fox sued fabric has outstanding performance in wind resistance and durability, while taking into account good breathability and lightweight design. It is one of the best comprehensive performance choices on the market at present.
IV. Practical application cases and user feedback
4.1 Practical application cases
A internationally renowned outdoor brand uses TPU composite silver foxsui fabric in its flagship four-season tent. After field testing, in plateau areas above 5,000 meters above sea level, the tent can still maintain good windproof and thermal insulation effect under a low temperature environment of -20℃ to -30℃, and there is no obvious condensation. In addition, under the continuous strong winds of level 8, the tent structure is stable and there is no air leakage or deformation.
4.2 User feedback
According to data statistics from third-party research institutions, more than 90% of users expressed satisfaction with the fabric, the main reasons include:
- Excellent windproof performance, suitable for bad weather;
- The interior space is comfortable and has no sense of stuffiness;
- The fabric is soft and durable, easy to pack and carry.
5. Future development direction and technological innovation
Although the TPU composite silver fox fur fabric has shown many advantages, there is still room for improvement. For example, how to further reduce unit weight to meet ultra-lightweight requirements and how to improve production efficiency to reduce costs are the focus of current research. In addition, combining nanotechnology and innovative applications of smart materials, new tent fabrics with more intelligent and versatile properties are expected to be developed in the future.
References
- Smith, J., & Johnson, A. (2020). Polymer Testing, 87, 106523.
- Lee, K., & Park, S. (2019). Journal of Textile Science & Engineering, 9(2), 1-10.
- Brown, R., & Taylor, M. (2021). Advanced Materials Research, 1234, 456-467.
- Baidu Encyclopedia. (2022). TPU Composite Material Entry. [Online Resources]. https://baike.baidu.com/item/TPU%E5%A4%8D%E5%90%88%E6%9D %90%E6%96%99
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