Description

Poly(Styrenesulfonyl Fluoride) is a reactive polymer functionalized with sulfonyl fluoride groups, serving as a versatile precursor for the synthesis of various ion-exchange resins and functional materials. Its core value lies in its ability to undergo efficient nucleophilic substitution reactions, particularly in the creation of sulfonamide and sulfonate linkages, which are critical for advanced material science. This product is essential for researchers and manufacturers in the fields of polymer chemistry, water treatment, catalysis, and the development of specialty membranes and resins.

Application

• Precursor for Ion-Exchange Resins: A key starting material for the synthesis of strong acid cation exchange resins used in water purification, demineralization, and chemical processing.
• Polymer Functionalization: Used to introduce sulfonate or sulfonamide functionalities onto polymer backbones for creating materials with tailored hydrophilicity, conductivity, or catalytic properties.
• Solid-Phase Synthesis Support: Acts as a reactive handle on solid supports for peptide synthesis and combinatorial chemistry, enabling efficient cleavage and purification.
• Membrane Fabrication: Employed in the development of proton exchange membranes (PEMs) for fuel cells and advanced filtration membranes.
• Catalyst and Ligand Synthesis: Serves as an intermediate for creating polymeric catalysts and ligands used in organic synthesis and industrial catalysis.
• Surface Modification: Used to modify the surface properties of materials to enhance biocompatibility, adhesion, or specific chemical reactivity.

Basic Information

Product Name	Poly(Styrenesulfonyl Fluoride)
CAS No.	705-33-9
Molecular Formula	(C8H7FO2S)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(styrenesulfonyl fluoride); Poly(styrene sulfonyl fluoride); PS-SF; Sulfonyl fluoride polystyrene resin; Poly(4-styrenesulfonyl fluoride); Reactive polystyrene sulfonyl fluoride; Polymer-bound sulfonyl fluoride; PSSF
EINECS	Contact for details

Quality Control

Our Poly(Styrenesulfonyl Fluoride) is produced under stringent quality management systems. Each batch undergoes comprehensive analysis to ensure consistent purity, functional group loading, and polymer characteristics. Key parameters monitored include sulfonyl fluoride content, particle size distribution, and moisture levels. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture uptake and degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow beads or powder
Functional Group Loading	0.8 - 1.5 mmol/g (Typical)
Moisture Content	< 5% (Karl Fischer)
Particle Size	100-200 mesh (or as specified)
Identification (IR)	Conforms to structure

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