Description

Ethanesulfonic Acid, 2-[1-[Difluoro[(Trifluoroethenyl)Oxy]Methyl]-1,2,2,2-Tetrafluoroethoxy]-1,1,2,2-Tetrafluoro-, Potassium Salt, Polymer With Tetrafluoroethene is a high-performance fluorinated polymer salt, specifically a perfluorinated ionomer, known for its exceptional chemical and thermal stability. This compound is critical for applications requiring robust ionic conductivity under extreme conditions, such as in advanced electrochemical cells and specialty membranes. It is primarily utilized by manufacturers in the chemical processing, energy storage, and specialty polymer industries where superior acid resistance and durability are paramount.

Application

• Ion-Exchange Membranes: A key component in the manufacture of perfluorinated sulfonic acid (PFSA) membranes, such as those used in chlor-alkali processes and fuel cells.
• Advanced Electrolytes: Serves as a conductive material in high-performance batteries and supercapacitors requiring operation in aggressive chemical environments.
• Catalyst Binders & Coatings: Used as a durable binder or coating for catalysts in electrochemical reactors, enhancing longevity and performance.
• Specialty Polymer Additive: Imparts ion-conductive properties and chemical resistance when incorporated into fluoropolymer composites.
• Chemical Processing Equipment: Employed in the surface treatment or fabrication of components that demand extreme resistance to fluoride and strong alkali media.
• Research & Development: Serves as a precursor or intermediate in the synthesis of novel fluorinated materials and ionic liquids for academic and industrial R&D.

Basic Information

Product Name	Ethanesulfonic Acid, 2-[1-[Difluoro[(Trifluoroethenyl)Oxy]Methyl]-1,2,2,2-Tetrafluoroethoxy]-1,1,2,2-Tetrafluoro-, Potassium Salt, Polymer With Tetrafluoroethene
CAS No.	65086-49-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Potassium perfluoro(4-methyl-3,6-dioxa-7-octenesulfonate) copolymer with tetrafluoroethylene; Nafion® PFSA polymer precursor (potassium salt form); Perfluorosulfonic acid-potassium salt-TFE copolymer; Tetrafluoroethylene-perfluoro(4-methyl-3,6-dioxa-7-octenesulfonyl fluoride) copolymer, potassium salt; PFSA-K+ polymer; Fluorinated ionomer potassium salt; FKM ionomer (potassium form)
EINECS	Contact for details

Quality Control

Our production of this fluorinated ionomer adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including ionic exchange capacity, thermal stability, and molecular weight distribution. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its fluoride/strong alkali nature, keep away from incompatible materials such as strong acids. The container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Assay (Ion Exchange Capacity)	Contact for details
Fluoride Content	Contact for details
Potassium Content	Contact for details
Loss on Drying	≤ 2.0%
Thermal Decomposition Temperature (TGA)	≥ 300 °C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.