Physics, asked by MuskanGandhi3380, 1 year ago

Information of teflon coating

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Answered by anildeshmukh
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Teflon Coating. Teflon coating also known as anti-rust coating, is done on the surface of the car. Teflon is chemically synthesized from fluoropolymer. It is a brand originally owned by Dupont, but now has become generic to the category of PTFE paint sealants.

ADDITIONAL FOR YOU........

Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. The best known brand name of PTFE-based formulas is Teflon™ by Chemours.[2] Chemours is a spin-off of DuPont, which originally discovered the compound in 1938.[2]

Polytetrafluoroethylene

Teflon structure.PNG

Perfluorodecyl-chain-from-xtal-Mercury-3D-balls.png

1 Names

2 IUPAC name=

Poly(tetrafluoroethylene)[1]

3 Other names

Syncolon, Fluon, Poly(tetrafluroethene), Poly(difluoromethylene), Poly(tetrafluoroethylene), teflon

4 Identifiers

CAS Number

9002-84-0 ☑

Abbreviations

PTFE

ChEBI

CHEBI:53251 ☒

5 ChemSpider

None

ECHA InfoCard

100.120.367

KEGG

D08974 ☒

6 Properties=

7 Chemical formula

(C2F4)n

8 Density=

2200 kg/m3

9 Melting point

600 K, 327 °C

10 Thermal conductivity

0.25 W/(m·K)

11 Hazards

NFPA 704

NFPA 704 four-colored diamond

010

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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Infobox references

PTFE is a fluorocarbon solid, as it is a high molecular weight compound consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons demonstrate mitigated London dispersion forces due to the high electronegativity of fluorine. PTFE has one of the lowest coefficients of friction of any solid.

PTFE is used as a non-stick coating for pans and other cookware. It is nonreactive, partly because of the strength of carbon–fluorine bonds, and so it is often used in containers and pipework for reactive and corrosive chemicals. Where used as a lubricant, PTFE reduces friction, wear, and energy consumption of machinery. It is commonly used as a graft material in surgical interventions. It is also frequently employed as coating on catheters; this interferes with the ability of bacteria and other infectious agents to adhere to catheters and cause hospital-acquired infections.

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