Cited by 42Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesCrystallization and Solubility Studies

Characterization of the polycaprolactone melt crystallization: Complementary optical microscopy, DSC, and AFM studies

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Speranza, V., Sorrentino, A., De Santis, F., Pantani, R.·2014·The Scientific World JOURNAL

Abstract

The first stages of the crystallization of polycaprolactone (PCL) were studied using several techniques. The crystallization exotherms measured by differential scanning calorimetry (DSC) were analyzed and compared with results obtained by polarized optical microscopy (POM), rheology, and atomic force microscope (AFM). The experimental results suggest a strong influence of the observation scale. In particular, the AFM, even if limited on time scale, appears to be the most sensitive technique to detect the first stages of crystallization. On the contrary, at least in the case analysed in this work, rheology appears to be the least sensitive technique. DSC and POM provide closer results. This suggests that the definition of induction time in the polymer crystallization is a vague concept that, in any case, requires the definition of the technique used for its characterization.

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Crossref · 10.1155/2014/720157

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  • PCL is in the rubbery state at room temperature, with a glass transition temperature at about −60 °C and a melting point at about 65 °C.

    “the poly(ε-caprolactone) (PCL) is in the rubbery state at room temperature, showing a glass transition temperature at about −60 °C and a melting point at about 65 °C [12].”

    From Thermo-Rheological and Shape Memory Properties of Block and Random Copolymers of Lactide and ε-Caprolactone (2021) · cites this paper as [12]

    The Experimental section (2.4 and 2.6; page unavailable) describes PCL’s melting temperature as about 60 °C, close to the claimed approximate 65 °C. Our copy does not state a glass-transition temperature of about −60 °C or describe PCL as rubbery at room temperature; searches for those terms found no supporting passage. (LLM, conf=0.83)

    Experimental — accuracy not yet measured

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Authors
Speranza, V., Sorrentino, A., De Santis, F., & Pantani, R.
Affiliations
  • University of Salerno (IT)
  • National Research Council (IT)
  • Department of Industrial Engineering (DIIN), University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy
Corresponding author
Sorrentino, A.
Venue
The Scientific World JOURNAL
Published
2014
Volume
2014
Pages
1-9
ISSN
  • 1537-744X (ISSN-L)
  • 2356-6140
OpenAlex
W2011040873
Cited by
42
References
28
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 6 · 2022: 3 · 2021: 7 · 2020: 6 · 2019: 6 · 2018: 4 · 2017: 3 · 2016: 2 · 2015: 1
FWCI
1.40
Type
journal article
Language
en
Open access
Locations
  • The Scientific World JOURNAL (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
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 › Crystallization and Solubility Studies
Keywords
polycaprolactone, melt crystallization, crystallization induction time, crystallization exotherm, polymer crystallization kinetics, atomic force microscopy, polarized light microscopy, rheology, differential scanning calorimetry
MeSH terms
Calorimetry, Differential Scanning, Crystallization, Microscopy, Polyesters, Microscopy, Atomic Force

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