2020
DOI: 10.1007/s00289-020-03137-z
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Thermo-mechanical and antimicrobial properties of natural rubber-based polyurethane nanocomposites for biomedical applications

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Cited by 18 publications
(10 citation statements)
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“…The insertion of pullulan into PU caused a higher residue percentage of 700 C (17.9%-26.7%) compared to pristine PU (15.5%) and pullulan (9.6%), evidencing intermediary thermal stability between pullulan and pristine PU. Anancharoenwong et al 64 observed similar behavior when evaluating natural rubber-based polyurethane nanocomposites' thermo-mechanical and antimicrobial properties for biomedical applications. The X-ray diffractograms of pullulan showed a broad peak appearing near 19 , corresponding to a molecular packing distance of approximately 4.7 Å, indicating that pullulan was a fully amorphous polymer.…”
Section: Thermal Propertiesmentioning
confidence: 78%
“…The insertion of pullulan into PU caused a higher residue percentage of 700 C (17.9%-26.7%) compared to pristine PU (15.5%) and pullulan (9.6%), evidencing intermediary thermal stability between pullulan and pristine PU. Anancharoenwong et al 64 observed similar behavior when evaluating natural rubber-based polyurethane nanocomposites' thermo-mechanical and antimicrobial properties for biomedical applications. The X-ray diffractograms of pullulan showed a broad peak appearing near 19 , corresponding to a molecular packing distance of approximately 4.7 Å, indicating that pullulan was a fully amorphous polymer.…”
Section: Thermal Propertiesmentioning
confidence: 78%
“…The results of DMA tests, performed in the temperature range of −100÷55 • C, are graphically illustrated in Figure 8. The storage modulus (E ) represents the contribution of the elastic component of the films, and as can be observed from Figure 8a, in the glassy region (−100÷−30 • C), the storage modulus values for the PU-2 sample are higher than for the corresponding composites, a behaviour that may be assigned to the agglomeration of some inorganic nanoparticles [51]. However, in the rubbery region (25÷50 • C), the storage modulus increased for the filled coatings (PU-2-0.5 and PU-2-1.0) as compared to the neat polyurethane, implying that the presence of TiO 2 nanoparticles caused an improvement of the modulus for the nanocomposite coatings.…”
Section: Synthesis and Characterization Of Polyurethane/tio 2 Compositesmentioning
confidence: 78%
“…Anancharoenwong et al performed a comparative study between AgNPs, TiO 2 NPs, and benzoic acid-containing polyurethane composite films against P. aeruginosa and S. aureus strains. Although results showed the strongest antimicrobial behavior for the AgNP-based composite films, the thermal stability of the polyurethane films decreased with the addition of fillers in all samples [ 161 ]. Similarly, Jamróz et al compared the antibacterial properties of AgNPs and selenium NPs incorporated into furcellaran-gelatin films against S. aureus , multidrug-resistant S. aureus , and E. coli .…”
Section: Inorganic Nanoparticle-based Composite Films For Antimicrobial Applicationsmentioning
confidence: 99%