全氟丁基磺酸钾

Best PC Flame Retardant ITEM:

Potassium Perfluorobutane Sulfonate/FC-98
CAS:29420-49-3
Purity: >=99%
Appearance：white crystalline powder

Feature:

Adding 0.06% ~ 0.1% it to PC can make the material flame retardant performance reach UL-94V-0 (3.2mm)

Application:
*Especially suitable for flame-retarding of polycarbonate.
*Antistatic agent and flame retardant for Thermoplastic processing
*Improve transparency of resin

Flame retardant polycarbonate (FRPC) with 0.2 wt % additives of potassium perfluorbutane sulfonate (PPFBS) and polydimethylsiloxane was found to achieve V-0 rate at 1.6 mm thickness without significantly affecting the mechanical properties of PC. Condensed aromatic bonds with a small amount of SiO bonds were found in the UL-94 burning residues tested by FTIR spectra. A compact char layer with cavities inside was formed on the surface of the sample during the rapid decomposition of FRPC, and the concentration of Si was found to be much higher inside the surface of the char layer than that outside the surface analyzed by SEM-EDX, which was related to the synergistic effects of the two flame retardants of PPFBS and PDMS. 

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