SDE Antibacterial Fiber Finishing Agent
SDE antibacterial agent can be applied to the surfaces of both organic and inorganic materials. Approved by the U.S. Environmental Protection Agency (EPA), SDE protects non-food-contact water-based coatings, industrial and household textiles, and nonwoven fibers used in flooring, wall paints, bedding, apparel, footwear, wallpaper, carpets, upholstery, filtration media, insulation, waterproofing layers, awnings, and more. From mattresses and linens to sportswear, socks, footwear, and textiles used in hygienic environments, SDE offers an ideal antibacterial solution.
Features
Benefits for Users:
– Wash-durable antibacterial protection.
– Longer-lasting odor control and freshness.
– Greater comfort and peace of mind.
Benefits for Retailers:
– Differentiated products.
– Meets growing consumer demand.
– Its active ingredient, silver, has a well-established safety profile and is approved in many countries.
Benefits for Manufacturers and Finishers:
– Easy-to-use liquid formulation.
– Compatible with a wide range of fibers and additives.
– Easy to blend and convenient for surface coating.
Key Features
| Performance Feature | Benefit |
|---|---|
| Controlled Release: | Controlled release of silver improves durability and long-term efficacy. |
| Enhanced Wash Durability: | Longer-lasting performance for more economical treatment. |
| Innovative Liquid Formulation: | A clear, low-viscosity solution that is easy to dilute, meter, formulate, and apply. |
| Broad-Spectrum Activity: | Effectively controls a wide range of odor-causing and pathogenic microorganisms. |
| Safety: | The safety of the active ingredient, silver, is well established, and it has been approved in many countries. |
| Color Stability: | Delivers superior product quality and appearance; depending on the concentration used, discoloration is absent or minimal. |
| Thermal Stability: | Withstands high temperatures during manufacturing. |
Antibacterial Performance
SDE antibacterial agent effectively controls and eliminates numerous microorganisms, including but not limited to:
Bacteria and yeast: Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus, Corynebacterium ammoniagenes, Candida albicans, and others
Fungi: Aspergillus niger, Trichophyton mentagrophytes, and others
Virus: Swine influenza A virus (H1N1)
Note: Based on the AATCC 100-2004 test method.
Resistance to Discoloration
Color-Stability Study of SDE Antibacterial Agent—White Pure-Cotton Fabric
|
Silver Content on Fabric (ppm) |
Number of Exposure Cycles* |
UV Stability, Measured as Hunter L, a, b Color Difference |
Result |
|
0 |
0 |
92.50,+1.46,-4.63 |
Untreated white fabric yellowed slightly after UV exposure. |
|
1 |
92.98,+0.95,-2.48 |
||
|
2 |
92.77,+0.77,-2.31 |
||
|
3 |
92.81,+0.78,-1.48 |
||
|
100 |
0 |
92.36,+1.42,-4.24 |
SDE-treated fibers showed barely perceptible color shift, without the black or red discoloration associated with other silver-based antibacterial agents. |
|
1 |
92.41,+1.05,-201 |
||
|
2 |
91.09,+1.23,-1.02 |
||
|
3 |
90.44,+1.41,-0.20 |
*Exposure cycle: using QUV equipment fitted with UVA-340 lamps, irradiate at1 W/m2/nm for 4 hours at 55°C, followed by 2 hours of condensation at 45°C.