Descripción del producto

For production of chlorine and caustic(Sodium hydroxide NaOH, potassium hydroxide KOH, sodium hypochlorite,and so on) by electrolysis, we develop Perfluorosulfonic acid proton exchange membrane SY*4P series which are widely used in chlor-alkali industries, electro-dialysis, recovery of copper from etching solutions, synthesis for gold potassium cyanide , chlorine dioxide, and electrochemical reaction for amino acid. The membrane performs as a conducting separator and solid electrolyte in a variety of electrochemical cells which require the membrane to selectively transport cations across the cell junction. SY*4P series Ion-exchange membranes are reinforced membranes based on chemically stable perfluorosulfonic acid (PFSA) copolymer. Incorporation of the PTFE mesh reinforcement improves the mechanical property of the composite membrane and allows the membrane to restrict its swelling. The membranes show significant improvements in features such as better resistance to chemical attack and longer operating durability under electrolysing cell conditions.

Properties of the ion exchange membranes for chlor-alkali industry

1, Measurements taken with membrane conditioned to *3°C,*0% RH.
2, Conductivity measurements at *3°C,**0% RH.
3, A base titration procedure measures the equivalents of sulfonic acid in the polymer, and uses the measurement to calculate the acid capacity or equivalent weight of the membrane.
4, Water content of membrane conditioned to *3°C and *0% RH (dry weight basis).
5, Water uptake from dry membrane to conditioned in water at **0°C for 1hour (dry weight basis ).

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