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October 30, 2024
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The Incorporation of Low-Molecular Weight Poly(Mannitol Sebacate)s on PLA Electrospun Fibers: Effects on the Mechanical Properties and Surface Chemistry

Publicated to:Polymers. 14 (16): 3342- - 2022-08-01 14(16), DOI: 10.3390/polym14163342

Authors: Hevilla, Victor; Sonseca, Agueda; Gimenez, Enrique; Echeverria, Coro; Munoz-Bonilla, Alexandra; Fernandez-Garcia, Marta

Affiliations

Interdisciplinary Platform Sustainable Plast Circ - Author
Univ Politecn Valencia, Inst Tecnol, Camino Vera S-N - Author

Abstract

We offer a report on the synthesis of low-molecular weight biobased poly(mannitol sebacate) (PMS) and its functionalization with acrylate groups (PMSAc). These synthesized polyesters were blended at a low level (10 wt%) with poly (lactic acid) PLA to prepare aligned fibers by electrospinning, coupled with a rotatory collector. The obtained fibers were extensively studied by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and wide-angle X-ray diffraction (WAXS), employing synchrotron radiation. The incorporation of the PMSs on the PLA fibers did not significantly affect the fiber diameters, whereas the alignment was almost maintained. The crystallinity and thermal properties were also slightly modified with the addition of PMSs, and an increase in the degree of crystallinity and in the glass transition temperature of the blend compared to PLA was observed. Remarkably, the PLA/PMSs fibers were more ductile due to the elastomeric character of PMS, with higher values of elongation at break and tensile strengths, and a smaller Young modulus in comparison with the PLA fibers. These modifications of the properties were more noticeable in the case of the acrylated PMS, which also provided readily available functional groups at the surface for further chemical reactions, such as the Michael addition or crosslinking processes.

Keywords

Addition reactionsAlignmentBio-basedBlendingChemical modificationCrosslinkingCrystallinityDegradationDifferential scanning calorimetryDrug productsElectrospun fibersFiber effectsFibersFourier transform infrared spectroscopyFunctionalizationsGlass transitionLow molecular weightMannitolMechanical propertiesMechanical surfaceModificationMolecular weightPlaPoly(lactic acid) blendsPolyolsScaffoldsScanning electron microscopySebacateSurface chemistryTensile strength

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Polymers due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2022, it was in position 16/86, thus managing to position itself as a Q1 (Primer Cuartil), in the category Polymer Science.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-07-16:

  • WoS: 4
  • Scopus: 3
  • Europe PMC: 2

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-16:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 13.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 13 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 3.35.
  • The number of mentions on the social network X (formerly Twitter): 4 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.