Descrizione dei prodotti
EM-1 is an electret master batch applied to PP meltblown cloth. It can effectively adsorb the free charge generated during electret, maintain the electret charge ability after electret treatment, and increase the electrostatic adsorption and negative ions of the mask. The ability to sterilize can effectively block droplets, dust, viruses, etc. below the micron. Under the condition of the same fiber fineness and gram weight, the resistance of non-woven products is reduced, and the filtration efficiency of non-woven products is improved at the same time.
By improving the PP meltblown cloth’s electrostatic qualities and filtration efficiency, the Electret Master Batch for PP Meltblown Cloth provides outstanding value and performance. This master batch transforms PP meltblown cloth performance in a variety of filtering applications with its electret improvement, PP compatibility, long-lasting effect, and ease of inclusion.Companies in the automotive, healthcare, industrial, and liquid filtration sectors can gain increased electrostatic characteristics, higher filtration efficiency, and sustained performance by integrating this master batch into their manufacturing processes.
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| model | melt index 230g℃/102m.1in6kg | Punto di fusione | Caratteristica |
| EM-1 | 1400±200 | 165℃ | Improve the filtration efficiency of non-woven products |
Caratteristica
EM-1 Under the condition of the same fiber fineness and gram weight, the resistance of non-woven products is reduced, and the filtration efficiency of non-woven products is improved at the same time.
- Enhancement of Electret: The master batch is designed especially to improve the PP meltblown cloth’s electret qualities. It gives the substance a persistent electrostatic charge, which makes effective particle and microbe filtering possible.
- Compatibility with PP: The meltblown cloth matrix is guaranteed to have consistent dispersion due to the master batch’s exceptional compatibility with PP. It efficiently blends with PP polymer chains to improve the material’s overall electrostatic performance and filtration effectiveness.
- Long-Lasting Effect: The PP meltblown cloth’s efficiency is guaranteed for the duration of its usage thanks to the master batch’s long-lasting electret characteristics. This characteristic guarantees continuous electrostatic qualities and reliable filtration performance.
- Simple Integration: The master batch is made to be simple to integrate into the PP meltblown textile production process. It can be included in the meltblown process, enabling production that is both efficient and seamlessly integrated.
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Applicazione
Medical masks (three-layer structure in total), as shown in the picture. Among them, the middle layer of the melt-blown cloth is polypropylene material with electret masterbatch and electret piezoelectric treatment. This layer is the core part. Only after the electret treatment, there is a lot of charge on the melt-blown cloth, which is also charged 0.3 Micron non-oily small particles have a strong adsorption effect, usually more than 95%, and the filtration efficiency of Staphylococcus aureus bacterial aerosol has to be lower than 95%, which is the origin of the concept we usually call N95 masks .
Main technical requirements for N95 masks
The national YY 0469-2004 “Technical Requirements for Medical Surgical Masks” standard stipulates:
1: Filtration efficiency: under the condition of air flow (30±2) L/min, the filtration efficiency of sodium chloride aerosol with aerodynamic median diameter (0.24±0.06) μm is not less than 30%;
2: Bacterial filtration efficiency: Under the specified conditions, the filtration efficiency of Staphylococcus aureus aerosol with an average particle diameter of (3±0.3) μm is not less than 95%;
3: Breathing resistance: Under the condition of filtration efficiency and flow rate, the inspiratory resistance does not exceed 49Pa, and the expiratory resistance does not exceed 29.4Pa.
Because the charged melt-blown cloth can more effectively filter the bacterial aerosol of Staphylococcus aureus in the droplets, it is necessary to use a static-charged filter to meet the bacterial filtration efficiency greater than 95% and the respiratory resistance not to exceed 49Pa at the same time. Meltblown cloth, at the same time, it can reduce the resistance of non-woven products under the same fiber fineness and gram weight.
