Crystallization behavior of sheared polyamide 66

Alicyn Marie Rhoades, Anne M. Gohn, Jiho Seo, René Androsch, Ralph H. Colby

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The application of fast scanning chip calorimetry (FSC) for analysis of sheared polyamide 66 (PA 66) provided quantitative insight to the effect of shear flow and flow-induced formation of crystallization precursors/nuclei on the subsequent crystallization in a wide range of temperatures. In the high-temperature, heterogeneous-nucleation range, there is a direct relationship between the amount of specific work supplied to the melt and the acceleration of crystallization, presumably due in part to increased nucleation density of the sheared samples. This information is directly applicable to polymer engineering applications where the formation of crystalline domains during processing often occurs at rapid-cooling conditions. Analysis of the structure at the micrometer-length scale of sheared PA 66 by polarized-light optical microscopy (POM) revealed large shish-kebab structures.

Original languageEnglish (US)
Title of host publication9th International Conference on Times of Polymers and Composites
Subtitle of host publicationFrom Aerospace to Nanotechnology
EditorsDomenico Acierno, Luigi Grassia, Alberto D'Amore
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735416970
DOIs
StatePublished - Jul 11 2018
Event9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology - Ischia, Naples, Italy
Duration: Jun 17 2018Jun 21 2018

Publication series

NameAIP Conference Proceedings
Volume1981
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology
CountryItaly
CityIschia, Naples
Period6/17/186/21/18

Fingerprint

crystallization
nucleation
shear flow
polarized light
micrometers
heat measurement
chips
engineering
microscopy
cooling
nuclei
scanning
polymers
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Rhoades, A. M., Gohn, A. M., Seo, J., Androsch, R., & Colby, R. H. (2018). Crystallization behavior of sheared polyamide 66. In D. Acierno, L. Grassia, & A. D'Amore (Eds.), 9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology [020094] (AIP Conference Proceedings; Vol. 1981). American Institute of Physics Inc.. https://doi.org/10.1063/1.5045956
Rhoades, Alicyn Marie ; Gohn, Anne M. ; Seo, Jiho ; Androsch, René ; Colby, Ralph H. / Crystallization behavior of sheared polyamide 66. 9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology. editor / Domenico Acierno ; Luigi Grassia ; Alberto D'Amore. American Institute of Physics Inc., 2018. (AIP Conference Proceedings).
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Rhoades, AM, Gohn, AM, Seo, J, Androsch, R & Colby, RH 2018, Crystallization behavior of sheared polyamide 66. in D Acierno, L Grassia & A D'Amore (eds), 9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology., 020094, AIP Conference Proceedings, vol. 1981, American Institute of Physics Inc., 9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology, Ischia, Naples, Italy, 6/17/18. https://doi.org/10.1063/1.5045956

Crystallization behavior of sheared polyamide 66. / Rhoades, Alicyn Marie; Gohn, Anne M.; Seo, Jiho; Androsch, René; Colby, Ralph H.

9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology. ed. / Domenico Acierno; Luigi Grassia; Alberto D'Amore. American Institute of Physics Inc., 2018. 020094 (AIP Conference Proceedings; Vol. 1981).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The application of fast scanning chip calorimetry (FSC) for analysis of sheared polyamide 66 (PA 66) provided quantitative insight to the effect of shear flow and flow-induced formation of crystallization precursors/nuclei on the subsequent crystallization in a wide range of temperatures. In the high-temperature, heterogeneous-nucleation range, there is a direct relationship between the amount of specific work supplied to the melt and the acceleration of crystallization, presumably due in part to increased nucleation density of the sheared samples. This information is directly applicable to polymer engineering applications where the formation of crystalline domains during processing often occurs at rapid-cooling conditions. Analysis of the structure at the micrometer-length scale of sheared PA 66 by polarized-light optical microscopy (POM) revealed large shish-kebab structures.

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Rhoades AM, Gohn AM, Seo J, Androsch R, Colby RH. Crystallization behavior of sheared polyamide 66. In Acierno D, Grassia L, D'Amore A, editors, 9th International Conference on Times of Polymers and Composites: From Aerospace to Nanotechnology. American Institute of Physics Inc. 2018. 020094. (AIP Conference Proceedings). https://doi.org/10.1063/1.5045956