PFSA Ionomer Dispersion Structure and Chemical Stability

PFSA Ionomer Dispersion is made from chemically stabilized perfluorosulfonic acid (PFSA)/polytetrafluoroethylene (PTFE) copolymer in the acid (H+) form, and is available in several polymer content and dispersant compositions. Typical uses include fabrication of thin films and coating formulations for fuel cell membranes, catalyst coating, sensors, and a variety of electrochemical applications.

PFSA Ionomer Dispersion Parameters
Item Solid content (wt.%) Water content (wt.%) VOC content (wt.%) Exchange capacity (mmol/g) E.W. value Viscosity (MPa.s)
YD3105 5.0 50±1 45±1 1.0–1.05 952–1000 10–40
YD3110 10.0 50±1 40±1 1.0–1.05 952–1000 10–40
YD3115 15.0 50±1 35±1 1.0–1.05 952–1000 10–40
YD3120 20.0 60±1 20±1 1.0–1.05 952–1000 10–40

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