1. Poly(tetrafluoroethylene) or PTFE
1.1 Preparation
1.1.1 Monomer synthesis and properties
The most common industrial method for the synthesis of tetrafluoroethylene is the pyrolysis of chlorodifluoromethane, CHClF 2 , at temperatures of 650-800 ˚C. The reaction is written:
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Poly(tetrafluoroethylene) or PTFE
Other fluoroplastics
Statistical and economic data
Worldwide consumption of fluoropolymers remains relatively low compared with that of other plastics and elastomers. However, these modest tonnages correspond to significant sales figures, due to the high price of fluoropolymers.
Sales prices in 2002 were approximately as follows for pellets (and about double that for semi-finished products):
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