Cited by 16Polymer crystallization and propertiesCrystallization and Solubility StudiesCalcium Carbonate Crystallization and Inhibition

Crystallization Kinetics of Poly(ethylene oxide) under Confinement in Nanoporous Alumina Studied by in Situ X-ray Scattering and Simulation

Su, Cui, Chen, Yu, Shi, Guangyu, Li, Tang, Liu, Guoming, Müller, Alejandro J., Wang, Dujin·2019·Langmuir

Abstract

While a relatively complete understanding of the nucleation and orientation of polymers under confinement in one-dimensional nanochannels has been achieved, crystallization kinetics investigation of confined polymers is still rare. In this work, we investigated the crystallization kinetics of poly(ethylene oxide) confined in anodic alumina oxide templates with different pore sizes using in situ wide-angle X-ray scattering (WAXS). The crystallization kinetics results were fitted with the Avrami equation. The Avrami index was determined by both "isothermal step crystallization" and in situ WAXS. The crystallization process of polymers under one-dimensional nanopore confinement was simulated by a "one-dimensional lattice model". Based on this model, it is shown that homogeneous nucleation with the simultaneous growth of multiple crystal planes with drastically different growth rates could result in Avrami indexes lower than 1.

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Registry

Crossref · 10.1021/acs.langmuir.9b01968

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43 of 43 references verified0 citation errors · 0 not checkable

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  • Su et al. applied a simple numerical model and showed a transition from n = 1 to n = 2 when the growth rate inside the pore decreased.

    “Su et al. [280] applied a simple numerical model and showed clearly a transition from n = 1 to n = 2 when the growth rate inside the pore decreased.”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [280]

  • Among all the studies, first-order kinetics is only reported in PEO/AAO so far.

    “Among all the studies, first-order kinetics is only reported in PEO/AAO so far [ 91 , 277 , 280 ].”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [280]

  • The majority of studies show that PEO exhibits a single exothermic peak during cooling when confined within AAO.

    “The majority of studies have shown that the PEO exhibits a single exothermic peak during cooling when confined within AAO [ 218 , 277-280 ].”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [280]

  • Similar low crystallization temperatures were also found in PEO confined within block copolymers or AAO templates.

    “Similar low crystallization temperatures were also found in PEO confined within block copolymers or AAO templates (see previous sections) [ 128 , 218 , 277-280 ].”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [280]

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Authors
Su, C., Chen, Y., Shi, G., Li, T., Liu, G., Müller, A. J., & Wang, D.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Ikerbasque (ES)
Corresponding author
Liu, Guoming
Venue
Langmuir
Published
2019-08-13
Volume
35
Issue
36
Pages
11799-11808
ISSN
  • 0743-7463 (ISSN-L)
  • 1520-5827
OpenAlex
W2967057958
Cited by
16
References
43
Citations by year
2026: 3 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 8 · 2020: 2
FWCI
1.17
Type
journal article
Language
en
Open access
closed
Locations
  • Langmuir (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Science and Technology of the People's Republic of China (2017YFE0117800)
  • Youth Innovation Promotion Association of the Chinese Academy of Sciences (2015026)
  • H2020 Marie Sklodowska-Curie Actions (H2020-MSCA-RISE-2017-778092)
  • National Natural Science Foundation of China (21873109)
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
  • Physical Sciences › Materials Science › Materials Chemistry › Crystallization and Solubility Studies
  • Physical Sciences › Materials Science › Biomaterials › Calcium Carbonate Crystallization and Inhibition
Keywords
poly(ethylene oxide), polymer crystallization kinetics, nanopore confinement, anodic aluminum oxide templates, Avrami equation, Avrami exponent, homogeneous nucleation, one-dimensional lattice model, crystal growth rate, pore size effects

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