Cited by 25Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesBlock Copolymer Self-Assembly

Interplay of fractionated crystallization and morphology in polypropylene/poly (ϵ-caprolactone) blends

Balsamo, Vittoria, Gouveia, Laura M.·2007·Journal of Polymer Science Part B Polymer Physics

Abstract

Abstract The thermal behavior of melt‐mixed polypropylene (PP)/poly(ϵ‐caprolactone) (PCL) blends was investigated with differential scanning calorimetry, and it was quantitatively related to the morphology observed through scanning electron microscopy. The PP/PCL blends were immiscible in the whole composition range; however, some interesting phenomena were found. Blends with low PP contents crystallized in a fractionated fashion. By applying a self‐nucleation procedure, we demonstrated that this occurred because of a lack of highly active heterogeneities within the confined PP domains. On the other hand, PP acted as a nucleating agent for PCL, and when the PP content was reduced, the higher surface/volume ratio increased its nucleating activity. The nucleating effect was improved when the PP was self‐nucleated because of the better nucleating effect of PP annealed crystals. © 2007 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 45: 1365–1379, 2007

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Crossref · 10.1002/polb.21137

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  • The selected non-isothermal crystallization temperatures of iPP in isolated polymer domains are ascribed to the homogeneous nucleation mechanism.

    “The selected temperatures are ascribed to the homogeneous nucleation mechanism.”

    From Fractionated crystallization in semicrystalline polymers (2021) · cites this paper as [23]

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Authors
Balsamo, V., & Gouveia, L. M.
Affiliations
Universidad Simón Bolívar (VE)
Corresponding author
Balsamo, Vittoria
Venue
Journal of Polymer Science Part B Polymer Physics
Publisher
Wiley
Published
2007-04-23
Volume
45
Issue
11
Pages
1365-1379
ISSN
  • 0887-6266 (ISSN-L)
  • 1099-0488
OpenAlex
W2121236264
Cited by
25
References
45
Citations by year
2026: 1 · 2024: 1 · 2022: 2 · 2021: 2 · 2019: 1 · 2018: 1 · 2017: 2 · 2015: 2 · 2014: 1 · 2013: 3 · 2012: 3
FWCI
1.86
Type
journal article
Language
en
Open access
closed
Locations
Journal of Polymer Science Part B Polymer Physics (publishedVersion)
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
polypropylene, polycaprolactone, polymer blends, immiscible polymer blends, fractional crystallization, blend morphology, nucleation, self-nucleation, surface-to-volume ratio, thermal effects, melt blending

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