Intermolecular structure factors of macromolecules in solution : integral equation results

Fuchs, Matthias; Müller, M.

Intermolecular structure factors of macromolecules in solution : integral equation results

Files

Intermolecular_structure_factors_of_macromolecules_in_solution.pdf(151.41 KB)

Date

1999

Authors

Fuchs, Matthias

Müller, M.

Publication type

Journal article

Published in

Physical Review E ; 60 (1999), 2. - pp. 1921-1929

Abstract

The intermolecular structure of semidilute polymer solutions is studied theoretically. The low-density limit of a generalized Ornstein Zernicke integral equation approach to polymeric liquids is considered. Scaling laws for the dilute-to-semidilute crossover of the random-phase approximation (RPA)-like structure are derived for the intermolecular structure factor on large distances when intermolecular excluded volume is incorporated at the microscopic level. This leads to a nonlinear equation for the excluded volume interaction parameter. For macromolecular size-mass scaling exponents n above a spatial-dimension dependent value, vc= 2/d, meanfield-like density scaling is recovered, but for v

Subject (DDC)

530 Physics

Cite This

ISO 690

FUCHS, Matthias, M. MÜLLER, 1999. Intermolecular structure factors of macromolecules in solution : integral equation results. In: Physical Review E. 60(2), pp. 1921-1929. Available under: doi: 10.1103/PhysRevE.60.1921

BibTex

@article{Fuchs1999Inter-9081,
  year={1999},
  doi={10.1103/PhysRevE.60.1921},
  title={Intermolecular structure factors of macromolecules in solution : integral equation results},
  number={2},
  volume={60},
  journal={Physical Review E},
  pages={1921--1929},
  author={Fuchs, Matthias and Müller, M.}
}

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