Crystallization kinetics of poly(l-lactic acid)
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Lower molecular weight reduces the activation energy and accelerates both enthalpy relaxation and crystallisation.
“The activation energy for structural relaxation is also dependent on the molecular weight of a polymer, with a lower molecular weight known to reduce the activation energy and accelerate both enthalpy relaxation and crystallisation [17, 49, 50].”
From Tuning structural relaxations, mechanical properties, and degradation timescale of PLLA during hydrolytic degradation by blending with PLCL-PEG (2019) · cites this paper as [49]
Enthalpy relaxation and crystallisation are exothermic transformations with an associated activation energy that governs the rate of transformation.
“These are both exothermic transformations which have an associated activation energy, which governs the rate of transformation [17, 49].”
From Tuning structural relaxations, mechanical properties, and degradation timescale of PLLA during hydrolytic degradation by blending with PLCL-PEG (2019) · cites this paper as [49]
The spherulitic growth rate of PLLA crystals formed at identical temperatures decreased as the molecular weight increased.
“The spherulitic growth rate of PLLA crystals formed at identical temperatures decreased as the molecular weight increased.”
From Crystallization Kinetics and Morphology of Biodegradable Double Crystalline PLLA- <i>b</i> -PCL Diblock Copolymers (2010) · cites this paper as [68]
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References 14 · Cited by 406
- Authors
- Vasanthakumari, R., & Pennings, A. J.
- Affiliations
- Indian Institute of Science Bangalore (IN)
- University of Groningen (NL)
- Venue
- Polymer
- Publisher
- Elsevier BV
- Published
- 1983-02
- Volume
- 24
- Issue
- 2
- Pages
- 175-178
- ISSN
- 0032-3861 (ISSN-L)
- OpenAlex
- W2066468072
- Cited by
- 406
- References
- 14
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 1 · 2023: 11 · 2022: 16 · 2021: 11 · 2020: 10 · 2019: 17 · 2018: 11 · 2017: 20 · 2016: 12 · 2015: 12 · 2014: 15 · 2013: 23 · 2012: 8
- FWCI
- 3.30
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Polymer (publishedVersion)
- University of Groningen research database (University of Groningen / Centre for Information Technology) (publishedVersion)
- NOT FOUND REPOSITORY (Indian Institute of Science Bangalore) (acceptedVersion)
- University of Groningen research database (University of Groningen / Centre for Information 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 › Crystallization and Solubility Studies
- Keywords
- poly(L-lactic acid), crystallization kinetics, melt crystallization, supercooling, molecular weight effects, crystal growth rate, nucleation parameter, polymer morphology
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