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A molecular approach to the spurt effect in polymer melt flow
Abstract
The Doi‐Edwards theory of polymer melts, extended to include relaxation processes associated with chain‐length equilibration, is used to make quantitative predictions of a discontinuity in the flow curve of a monodisperse melt in a capillary. A fluid interface between regions of high and low deformation rates is found to propagate from the former into the latter. Our results for the “spurt” and its hysteresis compare favorably with experiment using a molecular weight dependence of the ratio of “reptation time” (Td) to “equilibration time” (Teq) in agreement with that determined from nonlinear stress relaxation.
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Cited by
Nonlinear rheology of wormlike micelles
Spenley, N. A., Cates, M. E., & McLeish, T. C. B. (1993) · Physical Review Letters · doi:10.1103/physrevlett.71.939 · Cited by 403
Self-citationFailure-mode transition in transient polymer networks with particle-based simulations
Sprakel, J., Spruijt, E., van der Gucht, J., Padding, J. T., & Briels, W. J. (2009) · Soft Matter · doi:10.1039/b910425a · Cited by 56
Metadata
- Authors
- McLeish, T. C. B., & Ball, R. C.
- Venue
- Journal of Polymer Science Part B: Polymer Physics
- Publisher
- Wiley
- Published
- 1986-08
- Volume
- 24
- Issue
- 8
- Pages
- 1735-1745
- ISSN
- 0887-6266 (ISSN-L)
- 1099-0488
- OpenAlex
- W2131380478
- Cited by
- 230
- References
- 0
- FWCI
- 3.68
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: A molecular approach to the spurt effect in polymer melt flow. https://app.cochat.ai/papers/10.1002/polb.1986.090240809
- The paper
- McLeish, T. C. B., & Ball, R. C. (1986). A molecular approach to the spurt effect in polymer melt flow. Journal of Polymer Science Part B: Polymer Physics. https://doi.org/10.1002/polb.1986.090240809
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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