Document 3eZ6bO9wXJakB2NowRxN9pk23

Fluorotelomer and ECF Products : Different Chemistry Fluorotelomers (Telomerization) CF2=CF2 I (TFE) F(CF2)nl Perfluoroalkyl Iodide n = 6,8,10,12, even F(CF2)nCH2CH2l Fluorotelomer Iodide ----- F (C F 2) nC H 2C H 2S 0 3X : F T S u lfo n a te AFFF Surfactant Products F(CF2)nCH2CH2OH | Fluorotelomer Alcohol ECF (Electrochemical Fluorination) H(CH2)nSH 'r F(CF2)nS 0 2F F(CF2)nS 0 3X PFOS n = 8; PFHXS n = 6 ' r PFBS n = 4 F(CF2)nS 0 2N(R)CH2CH20H Perfluoroalkyl sulfonamido ethanol ir Sales Products Sales Products Even number, straight chains, No Branching Polymers n> 8 ; Surfactants n=6 primarily ECF produced materials have up to 30% branched isomers at the fluorinated chain end and contain odd and even carbon chain lengths US00005803