Fluorination

Definition

Fluorination is the chemical process of adding the element fluorine into a molecule. Fluorine has atomic number 9 and is in group 17, the halogens. Fluorination is a kind of halogenation.

Applications

• Fluorinating a surface or applying a fluorinated coating lowers the surface energy and makes the surface more hydrophobic. Desbief et. al. [3] coat an aluminum surface with a fluorinated block copolymer to make the aluminum more hydrophobic.

• Many companies make fluorinated plastic containers which are less permeable than simple HDPE containers.
  • http://www.thecarycompany.com/containers/plastic_bottles/fluorination.html
  • http://www.novapak.com/news/Articles/Fluorination.asp

• Lots of common pharmaceuticals are fluorinated. Fluorinating a pharmaceutical makes it more lipophilic, enhancing absorption of the drug. Some fluorinated pharmaceuticals include Prozac, Paxil, Celebrex, and Lipitor.
  • http://www.slweb.org/ftrcfluorinatedpharm.html

References

[1] http://en.wikipedia.org/wiki/Halogenation

[2] http://www.thefreedictionary.com/fluorination

[3] Desbief, S., Grignard, B., Detrembleur, C., Rioboo, R., Vaillant, A., Seveno, D., Voue, M., De Coninck, J., Jonas, A.M., Jerome, C., Damman, P., and Lazzaroni, R. "Superhydrophobic Aluminum Surfaces by Deposition of Micelles of Fluorinated Block Copolymers,"Langmuir (2009). doi: 10.1021/la902565y.

[4] Ismail, F. "Important Fluorinated Drugs in Experimental and Clinical Use," Journal of Fluorine Chemistry 118, 27-33 (2002).

[5] A Second Look. "Index of Fluorinated Pharmaceuticals," Fluoride Toxidity Reserach Collaborative (accessed Oct. 19, 2009). http://www.slweb.org/ftrcfluorinatedpharm.html