Dynamics of Diblock Copolymers in Dilute Solutions

Дата и время публикации : 1997-06-16T18:19:01Z

Авторы публикации и институты :
Radu P. Mondescu (Silvio O. Conte Polymer Research Center, University of Massachusetts at Amherst)
M. Muthukumar (Silvio O. Conte Polymer Research Center, University of Massachusetts at Amherst)

Ссылка на журнал-издание: Macromolecules 30 (20), 6358, 1997.
Коментарии к cтатье: 20 pages Revtex, 7 eps figures, needs epsf.tex and amssymb.sty, submitted to Macromolecules
Первичная категория: cond-mat.soft

Все категории : cond-mat.soft, cond-mat.mtrl-sci

Краткий обзор статьи: We consider the dynamics of freely translating and rotating diblock (A-B), Gaussian copolymers, in dilute solutions. Using the multiple scattering technique, we have computed the diffusion and the friction coefficients D_AB and Zeta_AB, and the change Eta_AB in the viscosity of the solution as functions of x = N_A/N and t = l_B/l_A, where N_A, N are the number of segments of the A block and of the whole copolymer, respectively, and l_A, l_B are the Kuhn lengths of the A and B blocks. Specific regimes that maximize the efficiency of separation of copolymers with distinct "t" values, have been identified.

Category: Physics