In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)

Monitoring of nucleus geometry and growth into dual types of periodically ring-banded morphology in poly(nonamethylene terephthalate) (PNT), respectively, Type-1 and Type-2, are done with detailed analyses using polarized-light optical microscopy (POM) in-situ CCD recording; the periodic assembly mo...

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Autores principales:	Eamor M. Woo, Chien-Hua Tu, Selvaraj Nagarajan, Graecia Lugito
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ring-banded morphology poly(nonamethylene terephthalate) lamellar self-assembly Crystallography QD901-999
Acceso en línea:	https://doaj.org/article/d824ba9f98b244cf8b4117f9b084c632
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spelling	oai:doaj.org-article:d824ba9f98b244cf8b4117f9b084c6322021-11-25T17:18:26ZIn-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)10.3390/cryst111113382073-4352https://doaj.org/article/d824ba9f98b244cf8b4117f9b084c6322021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4352/11/11/1338https://doaj.org/toc/2073-4352Monitoring of nucleus geometry and growth into dual types of periodically ring-banded morphology in poly(nonamethylene terephthalate) (PNT), respectively, Type-1 and Type-2, are done with detailed analyses using polarized-light optical microscopy (POM) in-situ CCD recording; the periodic assembly morphologies are characterized using atomic-force microscopy (AFM) and scanning electron microscopy (SEM). Different annealing treatments (T<sub>max</sub> = 110, 120, 130 °C) are accomplished at a crystallization temperature of 85 °C; effects on the nucleus geometry, number (25–10%) and volume fractions (33–15%) of Type-2 among two types of banded PNT spherulites are expounded. Growth of a specific type of periodically banded PNT spherulite is initiated from either highly elongated sheaf-like or well-rounded nuclei, with the final grown lamellae being self-packed as multi-shell structures. Nucleation geometry and crystallization parameters collectively lead to development of multiple types of banded PNT spherulites of different relative fractions.Eamor M. WooChien-Hua TuSelvaraj NagarajanGraecia LugitoMDPI AGarticlering-banded morphologypoly(nonamethylene terephthalate)lamellar self-assemblyCrystallographyQD901-999ENCrystals, Vol 11, Iss 1338, p 1338 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ring-banded morphology poly(nonamethylene terephthalate) lamellar self-assembly Crystallography QD901-999
spellingShingle	ring-banded morphology poly(nonamethylene terephthalate) lamellar self-assembly Crystallography QD901-999 Eamor M. Woo Chien-Hua Tu Selvaraj Nagarajan Graecia Lugito In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)
description	Monitoring of nucleus geometry and growth into dual types of periodically ring-banded morphology in poly(nonamethylene terephthalate) (PNT), respectively, Type-1 and Type-2, are done with detailed analyses using polarized-light optical microscopy (POM) in-situ CCD recording; the periodic assembly morphologies are characterized using atomic-force microscopy (AFM) and scanning electron microscopy (SEM). Different annealing treatments (T<sub>max</sub> = 110, 120, 130 °C) are accomplished at a crystallization temperature of 85 °C; effects on the nucleus geometry, number (25–10%) and volume fractions (33–15%) of Type-2 among two types of banded PNT spherulites are expounded. Growth of a specific type of periodically banded PNT spherulite is initiated from either highly elongated sheaf-like or well-rounded nuclei, with the final grown lamellae being self-packed as multi-shell structures. Nucleation geometry and crystallization parameters collectively lead to development of multiple types of banded PNT spherulites of different relative fractions.
format	article
author	Eamor M. Woo Chien-Hua Tu Selvaraj Nagarajan Graecia Lugito
author_facet	Eamor M. Woo Chien-Hua Tu Selvaraj Nagarajan Graecia Lugito
author_sort	Eamor M. Woo
title	In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)
title_short	In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)
title_full	In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)
title_fullStr	In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)
title_full_unstemmed	In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)
title_sort	in-situ growth of nucleus geometry to dual types of periodically ringed assemblies in poly(nonamethylene terephthalate)
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/d824ba9f98b244cf8b4117f9b084c632
work_keys_str_mv	AT eamormwoo insitugrowthofnucleusgeometrytodualtypesofperiodicallyringedassembliesinpolynonamethyleneterephthalate AT chienhuatu insitugrowthofnucleusgeometrytodualtypesofperiodicallyringedassembliesinpolynonamethyleneterephthalate AT selvarajnagarajan insitugrowthofnucleusgeometrytodualtypesofperiodicallyringedassembliesinpolynonamethyleneterephthalate AT graecialugito insitugrowthofnucleusgeometrytodualtypesofperiodicallyringedassembliesinpolynonamethyleneterephthalate
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In-Situ Growth of Nucleus Geometry to Dual Types of Periodically Ringed Assemblies in Poly(nonamethylene terephthalate)

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