Views: 197 Author: Site Editor Publish Time: 2021-08-31 Origin: Site
To put it simple, a membrane process is a separation or filtration process of separating carried components by using a sort of membrane of a special structure. The membrane separation has found its applications in many different fields nowadays, such as water, food, biomedical, etc. For example, in water industry, a membrane process is mainly to clear out the particles from water.
Therefore, what would be the suitable material for membranes?
Polyethersulfone, known as PES, is an outstanding membrane material with comprehensive properties. Its glass transition temperature is up to 225℃, as it has great resistance to high temperature. Besides, PES is highly resistant to base, pressure, and erosion with good blood compatibility. All these excellent properties of PES make it the ideal material for all kinds of membranes.
As polyethersulfone is one of the most practical polymers, it has been widely used in the separation industry. The membranes made from polyethersulfone have good hydrophilicity and flux as well as great chemical stability and inertia. What’s more, PES membranes possess high chemical compatibility, so their alkaline value is relatively stable.
High temperature and thermal stability is another property of PES membranes. For example, the whole filter membrane can proceed with sterilization and antivirus under the condition of ensuring completeness. Moreover, during the process, the PES membrane can retain high resistance to shrinkage. This can prevent the tear of the membranes, the reduction of flow velocity and the whole filtration yeild in the filter.
The filter medium of polyethersulfone membrane is the advanced polyethersulfone microporous filter membrane in the world today. The pores of the polyethersulfone membrane account for more than 80% of the membrane volume. Besides, the wide range of pore sizes makes PES membranes versatile for many different applications. Therefore, what are the polyethersulfone membrane properties?
1. The PES membranes used for the aqueous solution can remove tiny particles, bacteria, and fungi.
2. Then, PES has strong inherent hydrophilia with excellent flow velocity and high flux. So it can quickly get wet completely with low extractability to reach rapid filtration. In this case, there is no need to add wetting agents that may affect the analyses.
3. What’s more, PES membranes have very low drug and protein binding capacity, which can minimize the possibility of binding to the target analyte.
4. Lastly, polyethersulfone membranes are even well compatible with the methods like EtO, gamma radiation, and autoclaved sterilization. The super rigidity of PES makes the membranes strong enough to maintain their integrity even under high pressure.
Therefore, all these polyethersulfone membrane properties make it suitable for various applications, like medical, biomedical, sterilization, etc. What are the specific applications of polyethersulfone membranes?
1. Ion Chromatography Solvent Filtration
2. Conventional filtration, absorption and filtration of low protein
3. Medical Solution Filtration
4. Medical field: biofiltration, serum filtration, blood purification, large volume parenteral, antibiotics and other end filtration.
5. Food industry: end filtration for beverage, wine, etc
6. End filtration of ultrapure water
7. Rapid sterilization and filtration for tissue medium, additive, buffer, and other aqueous solution
Polyethersulfone filter membrane is made of polyethersulfone ultrafine fibers by hot-melt bonding. It is a kind of membrane material for deep filtration. Our polyethersulfone membrane powder has special properties like aging, chemicals, high temperature, creep resistance. They solve the previous problems of easy aging and corrosion of the water treatment membranes. However, the strong hydrophobicity of polyethersulfone has limited the use of polyethersulfone in water treatment membranes. Therefore, we recommend that our clients use sulfonation to prepare ultrafiltration membranes, which improves their hydrophilicity and anti-fouling properties. Moreover, it can make the reverse osmosis membranes made of polyethersulfone more widely used in water treatment.
Polima is a high-tech company, focusing on manufacturing high-quality polyethersulfone material. If you want to know more about us and our products, please feel free to contact us at office@polima.com.cn.
