| 摘要 |
A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, wherein said polymerization agent is a compound of the formula (I): R1-O-(CF2)n-COOX (I) wherein Rf is CF3CF2CF2-, n is an integer equal to 3, 5 or 7, and X is H, NH4, Li, Na or K.
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