[1] Qingdao Univ, Coll Mat Sci & Engn, Natl Base Int Sci & Technol Cooperat, Natl Ctr Int Res Hybrid Mat Technol,Inst Hybrid M, Qingdao 266071, Peoples R China
[2] Colorado State Univ, Dept Chem & Biol Engn, Ft Collins, CO 80523 USA
[3] Univ Arkansas, Ralph E Martin Dept Chem & Engn, Fayetteville, AR 72703 USA