Background
Bsc (Honours), 1967, Pure chemistry; Ph.D., 1970, Polymer Molecular Dynamics, Strathclyde University, Scotland; Fulbright Scholar, 1973-75, Carnegie-Mellon University; Unilever Research, 1970-79, Scientist; BF Goodrich, 1979-90, R&D Manager, Hydrophilic Polymers; University of Southern Mississippi, Professor of Polymer Science and Dean of Science and Technology.
Research Areas
Formulation science, water-soluble polymers, polymer solution theory, polymer behavior at interfaces, polymer/surfactant interaction, colloid and surface science, stabilization of dispersions and emulsions using polymers.
Representative Publications, Patents
Publications:
K.M. Johnson, G.D. Poe, R.Y.Lochhead, C.L.McCormick, "The synthesis of hydrophobically modified water-soluble polyzwitterionic copolymers and responsiveness to surfactants in aqueous solution", Journal of Macromolecular Science-Pure and Applied Chemistry, A41[6], 587-611 [2004]
K.M. Johnson, M.J. Fevola, R.Y. Lochhead, C.L. McCormick, "Hydrophobically modified acrylamide-based polybetaines. II. Interaction with surfactants in aqueous solution", Journal of Applied Polymer Science, 92[1], 658-671 [2004]
L.R. Huisinga, R.Y. Lochhead, "A brief review of polymer surfactant interaction",Cosmetics and Toiletries, 119[2], 37 [2004]
S. Corcorran, R.Y. Lochhead, T. Mckay, "Particle - stabilized emulsions: A brief overview", Cosmetics and toiletries, 119[8], 47 [2004]
S. Jones, R.Y. Lochhead, "Polymers in Cosmetics: Recent advances", HAPPI, 41[7], [2004]
S.E. Friberg, R.Y. Lochhead, I. Blute, T.Waernheim, "Hydrotropes - Performance Chemicals", Journal of Dispersion Science and Technology", 25[3], 243 [2004]
L.R. Huisinga, R.Y. Lochhead, C. Welch, S. Maggio, T. Mckay, "The development of combinatorial methods for formulation of polymer surfactant systems", Polymeric Materials Science and Engineering, 90, 805 [2004]
C.T. Haynes, R.Y. Lochhead, "Interactions of model water-soluble polymers at montmorillonite surfaces", Abstarcts of Papers of the American Chemical Society, 225,U636-U636 [2003]
L.R. Huisinga, R.Y. Lochhead, "Investigation of the structure of polyelectrolyte-based complex coacervates", Abstracts of Papers of the American Chemical Society", 225,U659-U659 [2003]
L.R. Huisinga,R.Y. Lochhead, "Investigation of the structure of polyelectrolyte-based complex coacervates", Abstracts of Papers of the American Chemical Society", 226,U375-U375 [2003]
K. Price, C.T. Haynes, R.Y. Lochhead, "Mechanism of stabilization of water-soluble polymers with montmorillonite in aqueous solution", Abstracts of Papers of the American Chemical Society", 226, U376-U376 [2003]
R.Y. Lochhead and C.L. McConnell-Boykin, " An Investigative Study of Polymer Adsorption to Smectic Clay: Polyelectrolytes and Sodium Montmorillonite", Polymer Nanocomposites ( Editors R.Krishnamoorti and R. Vaia) American Chemical Society, [2002]
Patents:
"In Vivo Polymerizable Opthalmic Compositions " E.P 973, 514 B1 [2003]
"In vivo Polymerizable Opthalmic Compositions and Methods of Using " U.S Patent 6,180,687 [2001]
"Articles Coated with in Vivo Polymerizable Ophthalmic Compositions" U.S. 6,124,037 [2000]
"Polymerizable Mesophases Based on Substituted Unsaturated Carboxylic Acids" U.S. 6, 046,292 [2000]
"Single-Phase Soap Compositions" U.S. 6,007,769 [1999]
"Surfactants Formed From Menhaden Fish" U.S. 5,985,840 [1999]
"Polymerizable Mesophases Based on Substituted Unsaturated Carboxylic Acids" U.S. 5,905,127 [1999]
"In Vivo Polymerizable Opthalmic Compositions" U.S. 5,858,345 [1999]
"Single-Phase Soap Compositions" E.P 973514A1, World Patent WO9607724A1,U.S. 5,820,695 [1998]
"Single-Phase Soap Compositions" E.P 0785985 A1, World Patent 9607724 A1, U.S. 5,820,695 [1998]
"Emulsions Comprising a High Molecular Weight Emulsifier" E.P 482417 A1 [1992]
"Bioadhesive Carboxylic Polymers" E.P 459373 A2 [1991]
"Oxidation-Resistant Polymeric Thickners" E.P 435066 A2 [1991]
"Stable and Quick-Breaking Topical Skin Compositions from Oil-in-Water Emulsions Containing Acrylic Polymers" E.P 435066 A2 [1991]
"Suspension Compositions for Aqueous Surfactant Systems" U.S 4, 686,254 [1987]
"Stable Carboxylic Acid Polymers in Mineral Spirits" U.S 4, 668, 731 [1987] ; E.P 214460 A1 [1987]
"Suspension Composition for Aqueous Surfactant Systems" E.P 0107062 B1 [1986]
"Stable Mineral Spirit Dispersions of Carboxyl-Containing Polymers" U.S. 4,536,628 [1985] "Polymerizing Unsaturated Acids in Mineral Spirits" U.S. 4,420,596 [1983] |
