Journal of Polymer Science Part B Polymer PhysicsComment on the dynamic bead size and kuhn segment length in polymers: example of polystyrene. Ding Y,Sokolov A P. J Polym. Sci. Part B: Polym. Phys . 2004Ding Y F,Sokolov A P. Comment on the dynamic bead size and Ku- hn segment ...
a polymer, was used in a number of products by IBM for a number of years. With each succeeding generation of technology, the resistance problem grows. Because each generation requires that the dimensions of the semiconductor structure be reduced, the minimum line-space combination must also decrea...
For example, the calcium phosphate nanoparticles, optionally prepared with a dispersing agent, can further be modified with an additional stabilizing polymer, an imaging agent, a small molecule active agent, an antibody, and/or a targeting ligand, each being adsorbed on the nanoparticles in a ...
(A polymer is a gaint molecule, a molecule made up of many repeat units covalently jointed together in the form of a long chain.) 决定聚合物性质的主要参数有: 分子量(molecular weight)/聚合度(degree of polymerization)的概念决定了聚合物分子的链长(length of polymer chains)。 单体(monomer)的化...
Dynamic rheological responses of polymer solutions exhibit a range of dynamic modes reflecting the hierarchical structures with different characteristic lengths such as the Kuhn length and mesh size. The polymer contribution to the viscoelastic modulus at each dynamic mode is proportional to the number ...
The Mark-Kuhn-Houwink relationship was obtained for solutions of poly- N -methacryloyloxy-ethyl- N,N,N -trimethylammonium methyl sulfate in 1 M NaNO 3 from the light scattering and viscometric data. The Kuhn segment length for this polymer was estimated....
By polymerizing styrene in emulsion it was possible to synthesize polystyrenes of known number average molecular weight, the chain length distributions of which corresponded closely to the Kuhn–Schulz relation N y = N 0 p y 1 (1 p ) 2 . This enabled a relation between intrinsic viscosity ...