| 초록 |
Polymers in various types of confinements have drawn a great deal of attention. Dynamics of polymers in confinements is studied using computer simulations, percolation theory and spatial tessellation. Two kinds of confinements are investigated:(1) two-dimensional space and (2) random porous matrix. In two-dimensional space, it is found from the diffusion coefficients that as the density is increased, the polymer dynamics changes from Zimm dynamics to Rouse dynamics. And interestingly the shear viscosity of polymers is not sensitive to the degree of polymerizations at the low polymer density but becomes dependent on the degree of polymerization as the density is increased. To understand the dynamics of polymers in random porous media, I develop a new algorithm based on the percolation theory and spatial tessellation, which allows us to find the information on the free volume percolation and the polymer dynamics. |
