July 2024
Intermediate to advanced
280 pages
12h 52m
English
Content preview from The Essential Handbook of Polymer Terms and Attributes
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221 Teflon
Teflon is a brand name for a synthetic chemical called polytetrafluoroethylene (PTFE).
PTFE was discovered in 1938 by Roy J. Plunkett, a chemist at DuPont. The company Kinetic Chemicals gave PTFE the brand name Teflon in 1945.
PTFE is a thermoplastic polymer, which is a white solid at room temperature, with a density of about 2200 kg/m3. According to research, its melting point is 600 K (327° C; 620° F). It maintains high strength, toughness, and self-lubrication at low temperatures down to 5 K (−268.15° C; −450.67° F) and good flexibility at temperatures above 194 K (−79° C; −110° F). PTFE gains its properties from the aggregate effect of carbon-fluorine bonds, as do all fluorocarbons. The unique ...
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