ArticlePolymers2023
The Influence of Soft Segment Structure on the Properties of Polyurethanes.
Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Bio-Inspired Gradient Coatings Enhance the Leading Edge Erosion Resistance of Wind Blades.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Interpenetrating Polymer Network Based on Polyether-Polyester Polyurethane and Epoxy Resin.Polymers · 2026Article
- Bio-Based Viscoelastic Polyurethane Foams: Functional Behavior Across Application Temperatures.Polymers · 2026Article
- Article
- Modified Castor Oil-Based Polyurethane Films withPolymers · 2025Article
- Cleavable Additives for Deconstructable, Recyclable Polyurethane Thermosets.ACS central science · 2025Article
- Structure and Swelling Properties of Biodegradable Cross-Linked Polyurethanes by Means of Nuclear Magnetic Resonance.The journal of physical chemistry. B · 2025Article
- Accelerated Development of Novel Biomass-Based Polyurethane Adhesives via Machine Learning.ACS applied materials & interfaces · 2025Article
- Exploring the Effect of the Polyol Structure and the Incorporation of Lignin on the Properties of Bio-Based Polyurethane.Polymers · 2025Article
- Review
- Molecular Simulation Analysis of Polyurethane Molecular Structure under External Electric Field.Molecules (Basel, Switzerland) · 2024Article
- Evaluation of 2,3-butanediol derived from whey fermentation as an effective bio-based monomer for waterborne polyurethane dispersions.Frontiers in chemistry · 2024Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A series of polyurethanes (PU) were synthesised via one-step polymerisation without a chain extender, using toluene diisocyanate as well as a variety of soft segments composed of different macrodiols. Poly(D,L-lactide) (PDLLA) and polycaprolactone diol (PCL) were synthesised as a polyester type polyols to obtain soft segments. The process of varying the molar ratio of newly synthesised PDLLA in soft segments has been confirmed as a powerful tool for fine-tuning the final properties of PU. Fourier-transformed infrared spectroscopy was used for evaluation of molecular structures of synthesised PDLLA polyol and final PU. Nuclear magnetic resonance spectrometry was used to confirm the presumed structure of PU. The influence of soft segment composition on polyurethane thermal characteristics was examined using thermogravimetric analysis and differential scanning calorimetry. The composition of soft segments had little impact on the thermal stability of PU materials, which is explained by the comparable structures of both polyester polyols. Wide-angle X-ray scattering was utilised to evaluate the effect of amorphous PDLLA on the degree of crystallinity of PCL in soft PU segments. It was discovered that not only did the PDLLA ratio in the soft segment have a substantial influence on the degree of microphase separation in the soft and hard segments, but it also influenced the crystallisation behaviour of the materials. Furthermore, the restriction of crystallisation of the PCL soft segment has been verified to be dependent on the hard segment concentration and the ratio of PDLLA/PCL polyols. The sample with pure PCL as the polyol component achieved the highest degree of crystallinity (34.8%). The results demonstrated that the composition of soft segments directly affected the properties of obtained polyurethane films. These results can be utilised to easily achieve a desirable set of properties required for application in biomaterials.
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