What question did this study set out to answer?

To model the linear viscoelastic dynamics and relaxation behavior of unentangled reversible networks formed by associating polymer solutions.

January 27, 1998Macromolecules

Thermoreversible Gelation in Solutions of Associating Polymers. 2. Linear Dynamics

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To model the linear viscoelastic dynamics and relaxation behavior of unentangled reversible networks formed by associating polymer solutions.
Formulated theoretical dynamic equations for unentangled polymer networks within the Rouse-Zimm regime.
Evaluated the frequency and concentration dependence of dynamic shear moduli and solution viscosity.
Modeled the kinetics of repeated dissociation and localized recombination events between paired sticky groups.
Network viscoelastic dynamics depend primarily on the length of polymer strands between junctions and the kinetic lifetime of reversible cross-links.
Repeated dissociation and local re-association of the same sticker pair substantially elevates the apparent activation energy well above the single-bond dissociation barrier.

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Implication

Theoretical study reveals how reversible junctions govern viscoelasticity in associating polymer solutions, suggesting sticker recombination significantly increases apparent activation energy.

Cite This Study

Rubinstein et al. (1998) studied this question.

synapsesocial.com/papers/69d94440f20ef26330684607 https://doi.org/10.1021/ma970617+

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Implication

Theoretical study reveals how reversible junctions govern viscoelasticity in associating polymer solutions, suggesting sticker recombination significantly increases apparent activation energy.

Thermoreversible Gelation in Solutions of Associating Polymers. 2. Linear Dynamics

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Discussion

Implication

Cite This Study

Thermoreversible Gelation in Solutions of Associating Polymers. 2. Linear Dynamics

Key Points

Discussion

Implication

Cite This Study

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