Professor Dick Powell

School of Chemistry
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Background:

Until 1998, research associate for fluorine chemistry at ICI responsible for new fluorine-containing products, including the HFC refrigerants [1], their chemistry [2,3] and other applications [4], heat pump fluids, reactions in liquid hydrogen fluoride, fluorinated surface active agents and anaesthetics and related work in metal reagents as fluorinating agents.[5,6]

Research Interests:

The industrial applications of fluorochemicals.
The development of new refrigerants.
New, selective fluorinating-agents.
Improved methods of electrochemical fluorination.
Reagents for introducing fluorinated groups into organic molecules.
Applying thermal plasmas to fluorine chemistry.
Using the new HFC refrigerants as reagents in chemical synthesis.
Environmental control of fluorochemicals.
Research in the some of these areas is currently supported by industrial companies. When appropriate intellectual property has been secured results will be published in the academic literature.

References

1 F. T. Murphy, S. Corr, J. D. Morrison, and R. L. Powell, Refrigerant compositions, WO 9808913, 1998, assigned to ICI.
2. J. Burdon, P.L. Coe, I.B. Haslock, R.L. Powell, Chem. Commun, 1996, 49.
3. J. Burdon, P.L. Coe, I.B. Haslock, R.L. Powell, J. Chem. Soc., Perkin Trans. 2, 1996, 625.
4. T. J. Noakes, R. L. Powell and P. F. Wilde, Extraction of biologically active compounds and natural products using a fluorocarbon or hydrofluorocarbon and optional co-solvent, WO 9526794,1995, assigned to ICI.
5. W.W. Dukat, J.H. Holloway, E.G. Hope, M.R. Rieland, P.J. Townson, R.L. Powell, Chem. Commun., 1993, 1429.
6. J.H. Holloway, E.G. Hope, P.J. Townson, R.L. Powell, J. Fluor. Chem., 1996, 76, 105.

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Fluorine@Manchester
HFC-134a cylinder

HFCs in Fluorine Chemistry
Alan Brisdon's Fluorine Chemistry group have pioneered the chemistry of HFCs (CFC replacements) for generating trifluorovinyl and trifluoropropynyl reagents.

Fluorine in Society
A cpu

Modern Computing
Without fluorine containing compounds such as NF3 and WF6 we wouldn't have todays semiconductors!