Nafion™ is a Trademark of The Chemours Company for its perfluorosulfonic acid polymer. It is an acidic hydrogen ion form and superacid catalysts useful in a wide variety of synthetic applications.
Nafion™ materials boost the efficiency of many processes in the chemical and chlor-alkali industries and open the door to imaginative new products and applications in transportation and energy storage.
The polymer has cation exchange properties and has excellent chemical stability similar to Teflon™.
Nafion™ polymer is a copolymer of tetrafluoroethylene (Teflon®) and perfluoro-3,6-dioxa-4-methyl-7-octene-sulfonic acid. 质子交换膜(Proton Exchange Membrane，PEM)是质子交换膜燃料电池（Proton Exchange Membrane Fuel Cell，PEMFC）的核心部件，对电池性能起着关键作用。它不仅具有阻隔作用，还具有传导质子的作用。全质子交换膜主要用氟磺酸型质子交换膜；nafion重铸膜；非氟聚合物质子交换膜；新型复合质子交 … Like Teflon®, Nafion™ polymer is highly resistant to chemical attack, but the presence of its exposed sulfonic acid groups confers unusual properties. Nafion™ Polymer- The Perfect Drying and Humidifying Material. Unlike Teflon™ however, it adsorbs and swells in water due to the sulfonic acid terminated side chains on the fluoropolymer backbone. Little is known about the health effects of any of the five compounds—Nafion byproducts 1 and 2 or the three other perfluourinated compounds – included in this week’s analysis from the EPA. Nafion™ Sulfonsäuremembranen eignen sich für die anspruchsvollsten Anwendungen der heutigen Zeit. Public health experts with DHHS used available studies to establish a health goal for GenX. Nafion™ polymer is a copolymer of tetrafluoroethylene (Teflon®) and perfluoro-3,6-dioxa-4-methyl-7-octene-sulfonic acid. Weitere Informationen Nafion™ 117, Nafion™ 115, Nafion™ 212, Nafion™ 211 membranes are non-reinforced films, and last numbers apply to their various thickness dimensions. Nafion™ is widely used for PEM fuel cells and can be identified based on the variety of thickness and specific application. Nafion is a perfluorosulfonic acid polymer with a good chemical stability.
Nafion 的一个不寻常的特性是其改变物理尺寸的倾向。由于 Nafion 能吸水，尺寸可膨胀多达 22％。当它接触到醇时尺寸可膨胀多达 88％。 Nafion 的稳定性如何？ Nafion 是由最耐化学腐蚀性的聚合物四氟乙烯（Teflon）组成的。 Nafion 有一个强酸基可与一 些物质发生反应。 Nafion隔膜,Nafion隔膜，英文名称为nafion nr 50 (beads 10-35 mesh)，CAS号为31175-20-9，分子式为C9HF17O5S，带有刺激性，避免直接接触，是一种化工中间体。 Nafion|r NRE-212 membrane is a perfluorinated ion-exchange membrane which has a wide variety of commercial uses.
Ion Power Inc. is an Authorized Distributor of Nafion™, a Brand of The Chemours Company. Nafion™ Sulfonsäuremembranen. Its characteristics make it a material of choice as a proton exchange membrane(3). Like Teflon®, Nafion™ polymer is highly resistant to chemical attack, but the presence of its exposed sulfonic acid groups confers unusual properties.
Nafion 溶液的作用 ①Nafion 溶液是全氟磺酸型聚合物溶液， 形成膜电极， Nafion 溶液作为催 化剂的涂层和载体，由于催化剂的催化层很薄，降低了 物质的传输阻力和 电极的电阻， 大大提高了 Pt 的利用率，将膜电 极的载铂量降到了 0.4mg/cm2。 However, relatively little research has been done on its mechanical properties, especially on its failure behavior.
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