2022
DOI: 10.1002/pen.26117
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Physical aging of PC:PS blends: Dynamic mechanical analysis and nuclear magnetic resonance studies

Abstract: The effect of physical aging of the partially miscible blend of polycarbonate: polystyrene (PC:PS) at temperatures near the glass transition temperature (T g ) of the PS was studied as a function of time. For this purpose, blends of PC and PS with different ratios were elaborated and characterized using SEM, FTIR, DSC, and DMA techniques. The results indicated the presence of weak interaction upon blending with a maximum of interaction for the 50:50 blend. The effect of physical aging on the latter was then in… Show more

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Cited by 1 publication
(2 citation statements)
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“…There have been numerous studies on the physical aging behavior of polymer blends. 24,[75][76][77][78][79][80][81] It is well established that physical aging of polymer blends is influenced by the interactions in the mixtures and blend composition. 24,75,[79][80][81] However, to the best of our knowledge, no study has previously investigated the influence of a plasticizing blend component on the physical aging behavior of a polymer blend over a large range of quench depths below T g .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…There have been numerous studies on the physical aging behavior of polymer blends. 24,[75][76][77][78][79][80][81] It is well established that physical aging of polymer blends is influenced by the interactions in the mixtures and blend composition. 24,75,[79][80][81] However, to the best of our knowledge, no study has previously investigated the influence of a plasticizing blend component on the physical aging behavior of a polymer blend over a large range of quench depths below T g .…”
Section: Resultsmentioning
confidence: 99%
“…We then characterized the thermal expansivities and physical aging behaviors of these two blends and compared them with those of the 2000 kg/mol PS standard. There have been numerous studies on the physical aging behavior of polymer blends 24,75–81 . It is well established that physical aging of polymer blends is influenced by the interactions in the mixtures and blend composition 24,75,79–81 .…”
Section: Resultsmentioning
confidence: 99%