Cited by 112Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesBlock Copolymer Self-Assembly

Nanoscale-confined and fractional crystallization of poly (ethylene oxide) in the interlamellar region of poly (butylene succinate)

He, Yong, Zhu, Bo, Kai, Weihua, Inoue, Yoshio·2004·Macromolecules

Abstract

The miscibility, morphology, and crystallization behavior of the blend of poly(ethylene oxide) (PEO) and poly(butylene succinate) (PBS) have been investigated using differential scanning calorimetry, high-resolution solid-state 13 C NMR spectroscopy, and wide- and small-angle X-ray diffraction. PEO and PBS are found to be miscible in the amorphous phase, and fractional crystallization of PEO component is observed in the blends with low PEO content. Also, it is revealed that the PEO component in the blend with less than 20 wt % PEO content is completely included in the region between PBS lamellae. On the basis of these results, the crystallization behavior of the PEO component has been analyzed and the origin of fractional crystallization has been explored. The blend system of PBS and PEO investigated here is the first instance of confined and fractional crystallization occurring in a miscible blend.

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Crossref · 10.1021/ma035886g

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  • In PBS/PEO blends, three fractionated exothermic peaks appear for the blend with weight composition 70/30.

    “Three fractionated exothermic peaks appear for the blend with the weight composition of 70/30.”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [70]

  • With further decreasing PEO content in PBS/PEO blends, the degree of confinement is stronger and a single crystallization peak at very low temperature is observed for PEO.

    “With further decreasing the content of PEO the degree of confinement is stronger and a single crystallization peak at very low temperature is observed for this polymer.”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [70]

  • In PBS/PEO blends, up to a 60/40 composition, only a high-temperature exotherm is observed for PEO crystallization.

    “Up to a 60/40 composition, only a high-temperature exotherm is observed for PEO crystallization.”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [70]

  • In PBS/PEO blends, when PBS crystallizes first, the amorphous PEO chains are isolated within PBS interfibrillar/interlamellar regions.

    “In this case, when PBS crystallizes first, the amorphous PEO chains are isolated within PBS interfibrillar/interlamellar regions.”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [70]

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Authors
He, Y., Zhu, B., Kai, W., & Inoue, Y.
Affiliations
Tokyo Institute of Technology (JP)
Venue
Macromolecules
Published
2004-04-01
Volume
37
Issue
9
Pages
3337-3345
ISSN
  • 0024-9297 (ISSN-L)
  • 1520-5835
OpenAlex
W2060152981
Cited by
112
References
38
Citations by year
2026: 2 · 2025: 3 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 6 · 2020: 4 · 2019: 2 · 2018: 3 · 2017: 7 · 2016: 9 · 2015: 6 · 2014: 10 · 2013: 8 · 2012: 7
FWCI
5.28
Type
journal article
Language
en
Open access
closed
Locations
  • Macromolecules (publishedVersion)
  • Tokyo Tech Research Repository (Tokyo Institute of Technology) (submittedVersion)
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
  • Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
  • Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
Keywords
poly(ethylene oxide), poly(butylene succinate), polymer blends, fractional crystallization, confined crystallization, interlamellar region, lamellar morphology, miscibility, crystallization behavior, nanoconfinement

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