Preparation method of ptfe high temperature filtration membrane
PTFE high-temperature filtration membrane is a rising star in the modern industry. It provides considerable help to the development and production of many companies, and is increasingly loved and paid attention to by people.
As early as the mid-18th century, someone discovered the membrane phenomenon, but it took nearly 50 years to actually apply the membrane process to the industrial field.
In my country, the membrane industry started in the 1960s. After decades of development, membrane technology has become an emerging and mature chemical separation technology.
Mature and developed technologies such as reverse osmosis, ultrafiltration, microfiltration, nanofiltration, electrodialysis, gas separation, inorganic membranes, pervaporation, membrane contact, membrane reaction and controlled release are being used in industrial production. , and produced good economic and social benefits.
The membrane separation process has become an important high-tech and sustainable development technology foundation for solving contemporary energy, resource and environmental pollution problems.
Among them, microfiltration is currently the most commonly used pressure-driven membrane technology with the largest sales volume. It is mainly used for the separation, purification, concentration and purification of particles, and is widely used in food, medicine, drinking water, Urban sewage treatment, etc.
Industrial preparation of ptfe high-temperature filtration membranes is mainly made by mechanical stretching of ptfe materials.
PTFE (polytetrafluoroethylene) is a highly crystalline polymer polymerized with tetrafluoroethylene as a monomer.
It is a white waxy thermoplastic similar to polyethylene (PE).
The PTFE high-temperature filter membrane produced not only has excellent chemical stability, thermal stability, and electrical insulation, but also has excellent waterproof, windproof, moisture permeability, breathability, and charge storage stability.
It is a new type of membrane material with great application prospects in many fields.
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