Volume 76, Number 6, December 2006
|Page(s)||1116 - 1122|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||23 November 2006|
Dynamics of associating polymers with random structure
Institut Charles Sadron - 6 rue Boussingault, 67083 Strasbourg Cedex, France
Accepted: 25 October 2006
Solution dynamics of associating polymer chains with many randomly distributed strongly interacting groups (stickers) are considered theoretically. The stickers tend to associate pairwise, and the polymer backbone is semirigid and soluble. It is shown that there exists a finite concentration range where the polymers form a reversible network with a virtually frozen structure: in this regime both the stress relaxation time and the viscosity exponentially increase with N and with c.
PACS: 61.25.Hq – Macromolecular and polymer solutions; polymer melts; swelling / 83.80.Kn – Physical gels and microgels / 83.80.Qr – Surfactant and micellar systems, associated polymers
© EDP Sciences, 2006
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