[1] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA
[2] N Carolina State Univ, Dept Chem Engn, Raleigh, NC 27695 USA
[3] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA
[4] Procter & Gamble Co, Corp Res Div, Cincinnati, OH 45239 USA