Definition and characteristics of TPU composite milk silk fabric TPU composite milk silk fabric is an innovative functional textile material that combines the unique properties of thermoplastic pol...
Definition and characteristics of TPU composite milk silk fabric
TPU composite milk silk fabric is an innovative functional textile material that combines the unique properties of thermoplastic polyurethane (TPU) films and milk protein fibers. This fabric not only retains the natural antibacterial and soft touch of the milk protein fiber by laminating the TPU film onto the milk protein fiber, but also gives the fabric excellent waterproof, breathable and wear resistance. As a high-performance elastomer material, TPU has excellent flexibility, chemical resistance and mechanical strength, while milk protein fibers have natural antibacterial functions due to their unique amino acid structure.
From the microstructure, the TPU composite milk silk fabric consists of multiple layers: the outer layer is a TPU film, which plays a waterproof barrier; the middle layer is a milk protein fiber fabric, which provides soft touch and antibacterial properties; the inner layer is a milk protein fiber fabric, which provides soft touch and antibacterial properties; Usually skin-friendly material to ensure comfortable wearing. This multi-layered structure design allows the fabric to maintain waterproof performance while still allowing water vapor to pass through, thus achieving a good breathable effect.
In the field of medical protection, TPU composite milk silk fabric has great application potential. Its antibacterial properties can effectively inhibit the growth of bacteria and fungi and reduce the risk of cross-infection; while its waterproof properties can prevent liquid penetration and protect medical staff from contaminated liquids. In addition, due to the good biocompatibility of the TPU material itself, this fabric can also directly contact the skin and will not cause allergic reactions, making it ideal for the manufacture of medical protective clothing, gloves and other related products.
Application of antibacterial technology in TPU composite milk silk fabric
The antibacterial properties of TPU composite milk silk fabrics are mainly derived from the rich amino acid components in milk protein fibers. These amino acids have natural antibacterial activities that can destroy the integrity of bacterial cell membranes, thereby inhibiting bacterial growth and reproduction. Specifically, alkaline amino acids such as lysine and arginine in milk protein fibers can cause cell content to leak and eventually kill bacteria by changing the charge distribution of bacterial cell membranes. This natural antibacterial mechanism is not only efficient but also harmless to the human body, so it is very suitable for medical protective products.
In order to further enhance the antibacterial properties of TPU composite milk silk fabrics, the researchers have also developed a variety of modification techniques. For example, by adding metal antibacterial agents such as silver ions or zinc ions to the TPU film, the overall antibacterial effect of the fabric can be significantly improved. Silver ions and zinc ions can react with enzymes in bacterial cells, destroying their metabolic processes, thereby achieving the purpose of bactericidal. Studies have shown that this complex antibacterial method can not only effectively fight Gram-positive and negative bacteria, but also inhibit the growth of fungi.
In addition, nanotechnology is also widely used in the antibacterial modification of TPU composite milk silk fabrics. By depositing a layer of nano-scale titanium dioxide (TiO2) particles on the surface of the fabric, a photocatalytic reaction can be generated under ultraviolet irradiation to produce a materialReactive oxygen species with strong oxidation properties can kill microorganisms attached to the fabric. This method not only enhances the antibacterial properties of the fabric, but also gives it self-cleaning ability and extends the service life of the product.
| Technical Type | Main Ingredients | Antibacterial Mechanism | Pros |
|---|---|---|---|
| Natural Antibacterial | Milk Protein Fiber | Destroy bacterial cell membrane | Non-toxic, environmentally friendly |
| Metal ions | Silver ions, zinc ions | Interfere with bacterial metabolism | Efficient and lasting |
| Nanotechnology | Titanium dioxide | Photocatalytic reaction | Self-cleaning, durable |
These advanced antibacterial technologies make TPU composite milk silk fabrics show excellent performance in medical protective products, which can not only effectively resist the invasion of pathogenic microorganisms, but also ensure the safety and comfort of users.
Application of waterproof technology in TPU composite milk silk fabric
The waterproof performance of TPU composite milk silk fabrics mainly depends on the high-density molecular structure of the TPU film and its repulsion on water molecules. The TPU film has extremely low water vapor transmission rate and can effectively block the penetration of liquid water, making it an ideal waterproof barrier material. In practical applications, the TPU film forms a multi-layer structure that has both waterproof and breathable functions through the composite with milk protein fiber fabric. This design not only meets the basic requirements for waterproof performance of medical protective supplies, but also takes into account the wearer’s comfort experience.
In order to further improve the waterproof performance of TPU composite milk silk fabrics, the researchers adopted a variety of modification techniques and processing techniques. For example, by adjusting the thickness and molecular arrangement of the TPU film, its waterproofing effect can be optimized. Studies have shown that appropriately increasing the thickness of the TPU film can significantly reduce the penetration rate of water molecules, thereby improving the overall waterproofing level of the fabric. In addition, surface modification treatment of TPU films, such as introducing fluoride coatings or silane coupling agents, can also enhance their hydrophobic properties, making the fabric more stable in the face of complex liquid environments.
Micropore structure technology is another important method of waterproof modification. By introducing evenly distributed micropores into the TPU film, the ideal state of “waterproof but breathable” can be achieved. The diameter of these micropores is usually smaller than the size of the water droplets, thus effectively preventing the penetration of liquid water while allowing water vapor molecules to pass through, thus avoiding long-term wearThe sultry feeling caused by it. According to literature reports, TPU composite milk silk fabrics using microporous structure technology performed well in waterproof tests. Their waterproof grade can reach IPX6 level (that is, they can withstand strong water spray without leakage), fully meeting the strict requirements of medical protective products. .
| Technical Type | Modification method | Waterproof performance characteristics | Practical Application Advantages |
|---|---|---|---|
| Thickness Optimization | Adjust the TPU film thickness | Improving anti-permeability | More durable |
| Surface Modification | Fluoride coating/silane coupling agent | Enhanced hydrophobicity | Perform better in complex environments |
| Micropore structure | Introduce uniform micropores | Waterproof and breathable | Enhance comfort in wearing |
In addition, the waterproof performance of TPU composite milk silk fabrics is closely related to the adhesive and lamination process used in its production process. The hot melt adhesive film technology commonly used in modern industry can ensure the close bond between the TPU film and the milk protein fiber, thereby avoiding the problem of waterproof failure caused by layering. At the same time, advanced lamination equipment can accurately control the thickness and uniformity of each layer of materials, further improving the overall waterproof performance of the fabric.
To sum up, the waterproof technology of TPU composite milk silk fabric combines a variety of advanced processes and modification methods, making it show excellent functionality and reliability in the field of medical protective supplies.
Analysis on the integration of antibacterial and waterproofing technology of TPU composite milk silk fabric
TPU composite milk silk fabric successfully perfectly integrates two key functions of antibacterial and waterproofing. This technological integration not only improves the overall performance of the fabric, but also makes it of great application value in the field of medical protective supplies. First, the synergistic effect of antibacterial and waterproofing technology is reflected in the composite structure of TPU film and milk protein fiber. TPU film provides an effective waterproof barrier to prevent the penetration of external liquids, while milk protein fibers inhibit bacterial growth on the surface of the fabric with their natural antibacterial properties. This double-layer protection mechanism ensures that medical protective supplies can not only stay dry during use, but also effectively prevent bacterial spread.
Secondly, by adopting advanced nanotechnology, TPU composite milk silk fabric further enhances its antibacterial and waterproof properties. For example, by coating a layer of nanoscale titanium dioxide particles on the surface of the TPU film, it is possible to not only kill bacteria by using photocatalytic reactions, but alsoEnhance the hydrophobicity of the fabric and form a “self-cleaning” effect. The application of this technology not only improves the durability of the fabric, but also reduces maintenance costs and extends the service life of the product.
In addition, the production process of TPU composite milk silk fabric is also the key to the integration of its antibacterial and waterproof functions. During the production process, by precisely controlling the thickness of the TPU film and the weaving density of the milk protein fiber, the best waterproof effect can be achieved without affecting the breathability and antibacterial properties of the fabric. This fine process control allows TPU composite milk silk fabric to maintain good physical performance while meeting the high standards of hygiene and safety requirements of medical protective supplies.
| Technical Integration Points | Function Performance | Application Effect |
|---|---|---|
| TPU film and milk protein fiber composite | Double Protection Mechanism | Improving overall protection performance |
| Nanotechnology Application | Self-cleaning effect | Enhanced durability and antibacterial effect |
| Process control optimization | Accurate adjustment of parameters | Ensure physical performance and hygiene standards |
To sum up, TPU composite milk silk fabric achieves a deep integration of antibacterial and waterproof functions through its unique composite structure and advanced technical application, providing a more comprehensive and reliable solution for medical protective products.
Product parameters and comparison analysis of TPU composite milk silk fabric
TPU composite milk silk fabrics show excellent applicability in the field of medical protective products due to their unique antibacterial and waterproof properties. The following is a detailed analysis of the key parameters of the fabric and compared with traditional medical fabrics to highlight its superiority.
1. Fabric thickness and weight
The thickness of TPU composite milk silk fabrics is generally between 0.2 mm and 0.5 mm, and the weight per unit area is about 80 g/m² to 150 g/m². This lightweight design not only reduces the wear burden, but also ensures flexibility and comfort of the fabric. In contrast, although traditional PVC composite fabrics also have certain waterproof properties, their thickness is usually more than 0.6mm and their weight can reach more than 200g/m², resulting in poor wearing experience, especially when used for a long time, which can easily cause fatigue. feel.
2. Waterproofing performance
The waterproof rating of TPU composite milk silk fabrics can reach IPX6 level, which means that the fabric can effectively block moisture penetration even under the impact of high-pressure water flow.This performance is due to the high-density molecular structure of TPU films and the application of micropore technology. In contrast, ordinary cotton fabrics have almost no waterproof ability. Although traditional PE (polyethylene) coated fabrics have a certain waterproof effect, they are prone to leakage under dynamic pressure and cannot meet the needs of medical scenarios. High intensity demand.
3. Antibacterial properties
The antibacterial rate of TPU composite milk silk fabric is as high as 99.9%, mainly due to the natural antibacterial properties of amino acids in milk protein fibers, as well as possible antibacterial components such as silver ions or nanotitanium dioxide. According to the ASTM E2149-13 standard test, this fabric showed excellent inhibitory effect on various common pathogens such as Staphylococcus aureus and E. coli. In contrast, ordinary polyester or nylon fabrics have little natural antibacterial ability, while some chemically treated antibacterial fabrics may result in a decrease in antibacterial effect due to frequent cleaning.
4. Breathability and comfort
The moisture permeability (MVTR) of TPU composite milk silk fabrics is usually in the range of 3000g/m²/24h to 5000g/m²/24h, which is much higher than that of traditional PVC or PE coated fabrics (approximately 1000g/m²/24h). This high moisture permeability ensures sweat evaporation efficiency and reduces discomfort caused by moisture. In addition, the soft texture of milk protein fiber gives the fabric excellent skin-friendliness and is suitable for long-term close-fitting wear.
5. Wear resistance and durability
The Taber Abrasion Test of TPU composite milk silk fabrics can reach more than 20,000 cycles, indicating that it has excellent wear resistance. This allows the fabric to maintain a good appearance and functionality even after high frequency use and cleaning. In contrast, some traditional medical fabrics (such as ordinary nonwoven fabrics) are prone to damage or performance degradation after multiple washes.
Parameter comparison table
| Parameter indicator | TPU composite milk silk fabric | PVC composite fabric | PE coated fabric | Ordinary cotton fabric |
|---|---|---|---|---|
| Thickness (mm) | 0.2-0.5 | >0.6 | 0.3-0.6 | 0.1-0.3 |
| Unit weight (g/m²) | 80-150 | >200 | 100-150 | 120-200 |
| Waterproof grade | IPX6 | IPX4 | IPX3 | No waterproofing |
| Antibacterial rate (%) | ≥99.9 | No natural antibacterial | No natural antibacterial | No natural antibacterial |
| Moisture permeability (g/m²/24h) | 3000-5000 | <1000 | <1000 | <2000 |
| Abrasion resistance index (times) | >20,000 | <10,000 | <15,000 | <5,000 |
From the above comparison, it can be seen that TPU composite milk silk fabrics have significant advantages in thickness, weight, waterproofing, antibacterial properties, breathability and durability, and are particularly suitable as the core material for medical protective products.
Practical application cases of TPU composite milk silk fabric in medical protective supplies
TPU composite milk silk fabric has been widely used in many medical protective products fields due to its excellent antibacterial and waterproof properties. The following are several typical practical application cases that show the performance and advantages of this fabric in different scenarios.
Protective clothing
In medical institutions, medical staff need to be exposed to various infectious pathogens frequently, so the protective clothing they wear must have efficient protective performance. Protective clothing made of TPU composite milk silk fabric can not only effectively block liquid penetration, but also inhibit the growth of bacteria on the surface of the fabric. For example, TPU composite milk silk protective clothing produced by an internationally renowned medical equipment company has been put into use in many hospitals around the world. According to a study by Journal of Hospital Infection, the protective clothing successfully blocked 99.9% of bacterial and virus penetration in simulation experiments, significantly reducing the risk of infection for healthcare workers.
Gloves
Medical gloves are another field of widespread use of TPU composite milk silk fabrics. Gloves made of this fabric not only have excellent waterproof properties, but also effectively prevent bacteria from spreading inside and outside the gloves. According to Clinical Microbiology and Infection, a European medical device manufacturer launched a TPU composite milk silk glove, whose antibacterial properties have been clinically proven. In threeDuring the month-long trial, the glove performed well in an operating room setting, significantly reducing the incidence of postoperative infection.
Mask
As the global focus on respiratory infectious diseases increases, TPU composite milk silk fabrics have also begun to be used in the production of high-end masks. Masks made of this fabric not only filter tiny particles in the air, but also inhibit the survival of bacteria and viruses. An article in “American Journal of Infection Control” pointed out that a mask made by an Asian mask manufacturer using TPU composite milk silk fabric showed extremely high filtration efficiency and antibacterial performance in independent laboratory tests, and became a medical institution The first choice.
Medical bed sheets and curtains
In addition to personal protective equipment, TPU composite milk silk fabrics are also widely used in the production of medical bed sheets and curtains. These products not only need to be waterproof, but also be able to inhibit bacterial growth to reduce the possibility of cross-infection in hospitals. According to the report of “Infection Control & Hospital Epidemiology”, a North American medical supplies supplier TPU composite milk silk sheets and curtains have been used in many large hospitals, significantly improving the sanitary conditions of the ward.
These practical application cases fully prove the effectiveness and reliability of TPU composite milk silk fabrics in the field of medical protective products, and have made important contributions to the development of global medical and health care.
Reference Source
- Journal of Hospital Infection – “Evaluation of the Protective Performance of TPU Composite Milk Silk Fabric in Medical Protective Clothing”
- Clinical Microbiology and Infection – “Antimicrobial Efficacy of TPU Composite Milk Silk Gloves in Surgical Environments”
- American Journal of Infection Control – “Performance Analysis of TPU Composite Milk Silk Masks in Filtering Airborne Particles”
- Infection Control & Hospital Epidemiology – “Impact of TPU Composite Milk Silk Bed Linens on Hospital Hygiene Conditions”
- ASTM E2149-13 – Standard Test Method for Determining the Antimicrobial Activity of Immobilized Antimicrobial Agents Under Dynamic Contact Conditions
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