학술논문
Structure of charged polymer chains in confined geometry.
Document Type
Conference
Author
Source
Conference: Dynamics in Small Confining Systems VI, Boston, MA (US), 11/27/2000--12/01/2000; Other Information: PBD: 15 Dec 2000
Subject
Language
English
Abstract
The intra- and interchain structure of sodium poly(styrenesulphonate) when free and when confined in contrast matched porous Vycor has been investigated by SANS. When confined, a peak is observed whose intensity increases with molecular weight and the 1/q scattering region is extended compared to the bulk. We infer that the chains are sufficiently extended, under the influence of confinement, to highlight the large scale disordered structure of Vycor. The asymptotic behavior of the observed interchain structure factor is = 1/q{sup 2} and = 1/q for free and confined chains respectively.