The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
FTIR study of polycaprolactone chain organization at interfaces
Abstract
Polycaprolactone (PCL), extensively known as a biomaterial, is the subject of this paper. Knowing well that some biomaterial applications exhibit specific chain organization, we focused our study on the orientation of PCL chains when this polymer is adsorbed (spin-coated) on inert substrates such as gold-coated glass slides. The main technique allowing adsorbed thin films analysis that we chose is polarization-modulation infrared reflection-absorption spectroscopy (PM-IRRAS), which permits qualitative and quantitative determination of chain anisotropy in the confined layers at the interface. Based on our spectroscopic results, we achieved an adsorption model of PCL chains and we calculated orientation angles with respect to the substrate normal. Calculated values show a quasi-perpendicular deposition of PCL chains on the gold substrate. Moreover, PCL thin films remain highly crystalline, a fact which could be the basis of the important anisotropy of PCL chains.
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“The degree of crystallinity (X c ) has been estimated considering the value of the melting enthalpy of 100 % crystalline PLLA around 93 KJ/mol 25 while for the PCL a value of 148 KJ/mol 26 is considered.”
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Metadata
- Authors
- Elzein, T., Nasser-Eddine, M., Delaite, C., Bistac, S., & Dumas, P.
- Corresponding author
- Elzein, Tamara
- Venue
- Journal of Colloid and Interface Science
- Publisher
- Elsevier BV
- Published
- 2004-05
- Volume
- 273
- Issue
- 2
- Pages
- 381-387
- ISSN
- 0021-9797 (ISSN-L)
- OpenAlex
- W2086588103
- Cited by
- 814
- References
- 24
- Citations by year
- 2026: 42 · 2025: 77 · 2024: 56 · 2023: 64 · 2022: 63 · 2021: 61 · 2020: 68 · 2019: 64 · 2018: 72 · 2017: 45 · 2016: 39 · 2015: 34 · 2014: 25 · 2013: 23 · 2012: 15
- FWCI
- 3.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Colloid and Interface Science (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Surfaces, Coatings and Films › Polymer Surface Interaction Studies
- Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
- Keywords
- polycaprolactone, polymer chain orientation, interfacial adsorption, polymer thin films, gold substrate, spin-coated films, PM-IRRAS, crystallinity, adsorption modeling, biomaterials
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