| 摘要 |
The method of the invention comprises treating the reactor and its impellers by spraying thereon a terpolymer dispersion, of which one comonomer is a fluorocarbon comonomer of general formula (I), wherein R1, R2, B and Rf have the meanings given in the disclosure. Compared to conventional methods comprising special coating steps, the method of the invention is advantageously efficient, extremely simple and of very low cost.
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