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PVDF membrane important contribution to environmental protection
The emergence of PVDF microporous membrane will make an important contribution to environmental protection. With the increasing concern for environmental protection, the application of PVDF micropurable membranes is also increasingly valued. PVDF microporous membranes are a kind of film with high throughput, low pressure drop and corrosion-resistant characteristics that can effectively filter liquid and gas in order to achieve emission standards compliant with environmental regulations. Compared with PES microporous , their smaller pore size makes it more suitable for filtering out minute particles such as bacteria, viruses, proteins, etc.; its preparation methods mainly include wet casting and dry coating methods, among which wet casting method is the most commonly used one. It has been reported that PVDF microporous membranes have widely applied fields such as water purification, wastewater treatment, air purification and so on. For example, they can efficiently remove organic pollutants from wastewater while retaining beneficial components in them; or remove microorganisms and viruses from air and retain useful negative ion contents in them. Their excellent performance makes it become an essential support for environmental protection. In accordance with technological advancements, the scope of applications of PVDF microporous membranes will continue to expand, making greater contributions to human sustainable development.
Sinsung PTFE Membranes
Sinsung PTFE membranes are available in hydrophilic, hydrophobic, unlaminated, and laminated options for a wide range of applications and temperatures. Hydrophilic membrane filters are usually used with water and aqueous solutions. They can also be used with compatible non-aqueous fluids. Hydrophilic membrane filters are typically not used for air, gas or vent filtration since the filters would block flow if inadvertently wetted, by condensation for example. Hydrophobic membrane are usually used with compatible non-aqueous fluids. They are also commonly used as air, gas, or vent filters. Hydrophobic membrane are sometimes used with water or aqueous solutions. In these applications, they must first be prewet with a low surface tension, water miscible fluid prior to use.
Polyvinylidene Fluoride (PVDF)
PVDF (PVF2 or Polyvinylidene fluoride or polyvinylidene difluoride) is a semi-crystalline, high purity thermoplastic fluoropolymer. Its highly desirable insolubility and electrical properties result from the polarity of alternating CH2 and CF2 groups on the polymer chain. Features for PVDF PVDF has Exceptional chemical resistance, high mechanical strength, piezoelectric and pyroelectric properties and etc. Application for PVDF PVDF plays an important role in industry application, such as electrical and electronics, wire and cables, pipeline. PVDF mainly used as sealing, gasket, lining material, and etc. Besides is widely used as piezoelectric films, solar backplane films, and lithium battery separators. PVDF membrane PVDF is one of the most used membrane materials and has received great attentions thanks to its outstanding properties. Properties such as thermal stability, chemical resistance and processability to form membranes make PVDF ideal for use in biomedical membrane applications and waste water treatment. Shanghai Sinsung has hydrophobic PVDF Microporous Membranes, hydrophilic PVDF Microporous Membranes, and PVDF ultrafiltration Membrane Module for different applications.
