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Unexpected Stretching of Entangled Ring Macromolecules.

Publication ,  Journal Article
Huang, Q; Ahn, J; Parisi, D; Chang, T; Hassager, O; Panyukov, S; Rubinstein, M; Vlassopoulos, D
Published in: Physical review letters
May 2019

In the melt state at equilibrium, entangled nonconcatenated ring macromolecules adapt more compact conformations compared to their linear analogs and do not form an entanglement network. We show here that, when subjected to uniaxial stretching, they exhibit a unique response, which sets them apart from any other polymer. Remarkably, whereas both linear and ring polymers strain-harden, the viscosity of the rings increases dramatically (the melt thickens) at very low stretch rates due to the unraveling of their conformations along the stretching direction. At high rates, stretching leads to viscosity thinning similar to that of entangled linear polymers, albeit with subtle differences.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

May 2019

Volume

122

Issue

20

Start / End Page

208001

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Huang, Q., Ahn, J., Parisi, D., Chang, T., Hassager, O., Panyukov, S., … Vlassopoulos, D. (2019). Unexpected Stretching of Entangled Ring Macromolecules. Physical Review Letters, 122(20), 208001. https://doi.org/10.1103/physrevlett.122.208001
Huang, Q., J. Ahn, D. Parisi, T. Chang, O. Hassager, S. Panyukov, M. Rubinstein, and D. Vlassopoulos. “Unexpected Stretching of Entangled Ring Macromolecules.Physical Review Letters 122, no. 20 (May 2019): 208001. https://doi.org/10.1103/physrevlett.122.208001.
Huang Q, Ahn J, Parisi D, Chang T, Hassager O, Panyukov S, et al. Unexpected Stretching of Entangled Ring Macromolecules. Physical review letters. 2019 May;122(20):208001.
Huang, Q., et al. “Unexpected Stretching of Entangled Ring Macromolecules.Physical Review Letters, vol. 122, no. 20, May 2019, p. 208001. Epmc, doi:10.1103/physrevlett.122.208001.
Huang Q, Ahn J, Parisi D, Chang T, Hassager O, Panyukov S, Rubinstein M, Vlassopoulos D. Unexpected Stretching of Entangled Ring Macromolecules. Physical review letters. 2019 May;122(20):208001.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

May 2019

Volume

122

Issue

20

Start / End Page

208001

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences