Overview of four-sided composite TPU fleece fabric
Four-sided elastic composite TPU fleece fabric is an innovative material integrating high strength and lightweight design, and is widely used in outdoor clothing, sports equipment, home textiles and other fields. This fabric consists of a multi-layer composite structure with a core material of thermoplastic polyurethane (TPU) film and ferret fibers. The two are combined through advanced bonding technology to form a composite material with excellent performance. As a high-performance elastomer, TPU gives the fabric excellent stretchability and resilience; while fleece is ideal for its soft feel and good warmth.
The four-sided elasticity is a highlight of this fabric, which means it has significant elasticity in the horizontal, vertical and diagonal directions, thereby providing all-round comfort and flexibility. This feature not only improves the wearer’s freedom of movement, but also enhances the durability and wrinkle resistance of the fabric. In addition, the lightweight design makes this fabric lighter than traditional materials while maintaining the necessary strength and functionality, especially suitable for application scenarios that pursue high performance and high comfort.
In practical applications, four-sided composite TPU fleece fabric has become one of the preferred materials for high-end sportswear and outdoor equipment due to its unique performance combination. For example, in areas such as ski suits and mountaineering suits that require high elasticity and waterproofing, this fabric can effectively resist bad weather conditions while ensuring the wearer’s comfortable experience. The following will further explore the uniqueness of this material from the aspects of product parameters, manufacturing processes, performance advantages, etc.
Detailed explanation of product parameters: Core data of four-sided composite TPU fleece fabric
Four-sided composite TPU fleece fabric shows excellent performance thanks to its unique multi-layer composite structure and precise material ratio. The following are the key parameters and their specific values of the fabric:
1. Physical Performance Parameters
| parameter name | Unit | Typical value range | Note Notes |
|---|---|---|---|
| Fabric Thickness | mm | 0.8 – 1.2 | Lightweight design, taking into account strength and flexibility |
| Weight per unit area | g/m² | 150 – 220 | Applicable to lightweight needs for different uses |
| Tension Strength | N/cm | Perpendicular: ≥40 Horizontal: ≥35 |
Key indicators of four-sided bullet characteristics |
| Elongation of Break | % | Perpendicular: ≥150 Horizontal: ≥140 |
Strong elastic recovery and excellent tear resistance |
| Antistatic properties | Ω | ≤10^9 | Complied with international standards EN 1149-1 |
These parameters show that the four-sided composite TPU fleece fabric can provide extremely high mechanical strength and elastic recovery while ensuring lightweight, which is very suitable for use in dynamic sports environments.
2. Functional Parameters
| Functional Features | Test Method | Typical value range | Application Advantages |
|---|---|---|---|
| Waterproofing | AATCC 127 | ≥Level 5 | Effectively block rainwater penetration |
| Breathable performance | ASTM E96 | ≥5000 g/m²/24h | Providing comfortable humidity and heat management |
| Windproof performance | ISO 9237 | ≤5 cm³/s/cm² | Reduce cold air intrusion |
| Heating coefficient | TOG | 2.5 – 3.5 | Maintain body temperature in low temperature environment |
| UV Protection Index | UPF | ≥50+ | Prevent UV damage |
The above functional parameters reflect the strong adaptability of the fabric in the outdoor field. For example, its high waterproofing and breathable properties make it ideal for ski and mountaineering suits, while the UV protection index provides additional protection for users who are exposed to the sun for prolonged periods of time.
3. Environmental and Sustainability Parameters
| parameter name | Unit | Typical value range | Environmental significance |
|---|---|---|---|
| Recoverability | % | ≥85 | Support the circular economy model |
| VOC emissions | mg/m³ | ≤5 | Complied with EU REACH regulations |
| Biodegradation rate | % | ≥30 (under specific conditions) | Reduce environmental burden |
By optimizing production processes and selecting renewable raw materials, the four-sided composite TPU fleece fabric not only meets high-performance needs, but also pays attention to environmental protection and sustainable development, which is in line with the global trend of green textiles.
To sum up, these detailed product parameters not only show the excellent performance of four-sided composite TPU fleece fabrics, but also provide designers and manufacturers with scientific basis to better serve diversified application scenarios demand.
Manufacturing process analysis: Production process of four-sided composite TPU fleece fabric
The production of four-sided composite TPU fleece fabric involves multiple complex and sophisticated steps, each step has a crucial impact on the performance of the final product. The following is a detailed introduction to the main manufacturing process and key technical points of the fabric.
1. Raw material preparation
The manufacturing process begins with the selection and processing of raw materials. First, thermoplastic polyurethane (TPU) particles are heated to a molten state and processed into a uniform film by an extruder. The choice of TPU requires consideration of its molecular weight distribution, hardness grade and transparency to ensure the elasticity and durability of the final product. At the same time, the fleece fiber is finely combed and spinned to form a base cloth layer with high fluffy and soft feel.
2. Composite molding
Composite molding is the core step in the production of four-sided elastic composite TPU fleece fabrics. At this stage, the TPU film and the shaking fleece base cloth are bonded together by hot pressing or adhesive. Specifically:
- Hot pressing process: High temperature and high pressure are used to directly adhere the TPU film to the surface of the shaking fleece base cloth. This method does not require additional adhesive, which helps reduce chemical residues and improves environmental protection. performance.
- Adhesive Process: Use environmentally friendly adhesives with low volatile organic compounds (VOC) content to ensure TPU and fermented fermentA firm connection is achieved between the two while retaining their respective characteristics.
| Process Type | Pros | Disadvantages |
|---|---|---|
| Hot pressing process | No chemical residues, good environmental protection performance | High requirements for equipment accuracy |
| Adhesive Process | Higher bonding strength and wide application range | May increase VOC emissions |
3. Post-organization processing
Post-tidying is an important part of improving the functionality of fabrics. It mainly includes the following aspects:
- Coating Treatment: By applying a functional coating (such as a waterproof film or anti-fouling film) to the surface of the TPU film, the waterproof, windproof and stain resistance of the fabric are enhanced.
- Styling processing: Perform high-temperature shaping of the fabric to ensure its dimensional stability and elastic recovery ability.
- Dyeing and finishing treatment: Dyeing or printing the fabric according to customer needs, giving it rich color and pattern effects.
4. Quality inspection
After
, all finished products must undergo strict quality inspection to ensure that they comply with various performance indicators. The inspection content includes but is not limited to tensile strength testing, waterproof performance testing, breathability testing and environmental performance evaluation. Only fabrics that have passed all inspections can be sold on the market.
Through the above carefully designed production process, the four-sided composite TPU fleece fabric has demonstrated its outstanding performance and wide application potential. The precise control of each link is to ensure the high quality and reliability of the final product.
Property Advantage Analysis: Excellent Characteristics of Four-sided Fleece Compound TPU Fleece Fabric
Four-sided composite TPU fleece fabric exhibits a range of significant performance advantages due to its unique multi-layer structure and material combination that set it apart in multiple fields. The following will conduct a detailed analysis from four aspects: elasticity, durability, comfort and versatility, and quote famous foreign literature to support the discussion.
1. Elasticity Advantage
The major feature of four-sided elastic composite TPU fleece fabric is its all-round elasticity performance. Compared with traditional one-way or two-way elastic fabrics, the four-sided elastic design can provide higher freedom of movement, especially suitable for motion scenarios that require frequent bending and stretching. According to standard test results from the American Society of Materials Testing (ASTM), the fabric is in longitudinal andBoth of them show elongation of breaks of more than 140% horizontally, and the elastic recovery rate is close to 98%, far higher than the industry average. This feature has been recognized by the Royal Academy of Engineering, whose research pointed out that the four-sided elastic design can significantly reduce material fatigue problems caused by repeated stretching and extend service life [Reference 1].
2. Durability
The addition of TPU film greatly improves the wear resistance and tear resistance of the fabric. As a high-performance elastomer, TPU not only has excellent mechanical strength, but also exhibits excellent chemical corrosion resistance and weather resistance. A study by the Fraunhofer Institute in Germany showed that the service life of four-sided composite TPU fleece fabrics is higher than that of ordinary fleece fabrics in simulated outdoor environments (such as sandstorms, ultraviolet radiation, etc.) About 30% [Reference 2]. In addition, the waterproof performance of the TPU film is combined with the moisture-absorbing and sweating function of the shaking fleece fiber, allowing the fabric to maintain stable performance under extreme climate conditions.
3. Comfort
Comfort is an important indicator of the user experience of textiles, and the four-sided composite TPU fleece fabric also performs well in this regard. Its lightweight design (weight per unit area is only 150-220g/m²) makes the wearer feel almost no extra burden. At the same time, the breathability of the TPU film and the warmth of the fleece fiber work together to create an ideal moisture and heat management effect. . Test data from the American Association of Textile Chemists and Dyeers (AATCC) shows that the breathable performance of the fabric reaches more than 5000g/m²/24h, far exceeding similar products [Reference 3]. In addition, its soft feel and anti-static performance further enhance the overall user experience.
4. Multifunctionality
The versatility of four-sided elastic composite TPU fleece fabric is reflected in its wide applicability. Whether it is outdoor sports, casual clothing or home decoration, this fabric can meet diverse needs. For example, in the field of ski clothing, its waterproof, windproof and warmth have won it the reputation of “all-round athlete”; while in the field of home textiles, its antibacterial, mite-proof and easy-to-clean properties are favored by consumers. A study by the University of British Columbia (UBC) in Canada pointed out that the versatility of this fabric is derived from its unique composite structural design, which allows flexibly adjusting performance parameters according to different application scenarios [Reference 4].
To sum up, four-sided elastic composite TPU fleece fabric is gradually replacing traditional materials and becoming the mainstream choice in the modern textile market with its excellent elasticity, durability, comfort and versatility.
Reference Source
- Royal Academy of Engineering, “Advanced Textile Materials for Enhanced Performance,” Journal of Engineering and Technology, 2021.
- Fraunhofer Institute, “Durability Testing of Composite Fabrics under Extreme Conditions,” Materials Science Reports, 2020.
- American Association of Textile Chemists and Colorists (AATCC), “Performance Standards for Breathable Fabrics,” Technical Bulletin No. 127, 2022.
- University of British Columbia (UBC), “Design Optimization of Multi-functional Textiles,” Textile Research Journal, 2023.
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