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ETFE ethylene tetrafluoroethylene copolymer

May 23rd, 2022 at 10:08   Phones & Tablets   Sahāranpur   159 views
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ETFE ethylene tetrafluoroethylene copolymer is a fluorine-based plastic designed to have high corrosion resistance and strength over a wide temperature range. Thanks to its special chemical and physical properties, ETFE is widely applied in the chemical, electrical/electronic, construction, architectural, and automotive industries. ETFE copolymers are basically alternating copolymers, and in the molecular formula, they are isomeric with polyvinylidene fluoride (PVDF) with a head-to-head, tail-to-tail structure. ETFE has excellent electrical and chemical properties. ETFE is especially suited for applications requiring High Mechanical Strength, High Chemical Resistance, Superior thermal and electrical properties.

With low smoke and flame characteristics, ETFE powder is rated 94V-0 by UL It is odorless and non-toxic. Exhibits outstanding resistance to weather and aging, Exception UV transmission Excellent dielectric properties. Its radiation resistance is high with the advantage of being cross-linked by high-energy radiation. Thanks to its special chemical and physical properties, ETFE powder is widely applied in the chemical, electrical/electronic, construction, architectural, and automotive industries.

PAM polyacrylamide is a synthetic water-soluble polymer made from monomers of acrylamide. PAM binds soil particles together. Once soil particles suspended in water are bound together by PAM, they settle out, so water has a harder time washing them out of the field. Water-soluble polymers like PAM have been known to benefit soil properties for a long time. Recently these polymers have gained renewed attention for their use in reducing irrigation-induced erosion, now that the cost of applying PAM has become economically feasible. Other uses of polymers like PAM include treatment of municipal water supplies, food packaging, adhesives, a boiler water additive, film former in the imprinting of soft-shell gelatin capsules, adjuvants in the manufacturing of paper and paperboard, and the list goes on and on.

Anionic polyacrylamide is the generic name for a group of very high molecular weight macromolecules produced by the free-radical polymerization of acrylamide and an anionically charged comonomer, mainly the sodium salt of acrylic acid, sodium acrylate. Anionic polyacrylamide (APAM) as an important flocculant possess the advantages of high molecular weight, acceptable flocculation performance, low cost and green. The anionic chemical groups in APAM are able to neutralize the positive charge of colloid particles in the wastewater and lead them to crash, aggregate and settle.

Along with the increasing need for water resources, the recycling and reuse of municipal wastewater are essential. Cationic polyacrylamide is effective flocculants over a wide range of PH and nontoxic. They could be specially used for the wastewater with negative charges. Cationic polyelectrolyte water treatment is really an effective and cost-saving way.

Polyaluminum chloride is used mainly to remove color and colloidal matter in aqueous systems. It is also used in water treatment plants, clarification of industrial effluents and as a replacement for aluminum sulfate, aluminum chloride, ferric chloride, ferric sulfate and other non-polymerized conventional inorganic salts.