Topic
Miscibility
About: Miscibility is a research topic. Over the lifetime, 5521 publications have been published within this topic receiving 133547 citations. The topic is also known as: miscible.
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TL;DR: In this paper, the miscibility, morphology, and thermal properties of polyvinyl chloride (PVC) blends with different concentrations of poly(methyl methacylate) (PMMA) have been studied The interaction between the phases was studied by FTIR and by measuring the glass transition temperature (Tg) of the blends using differential scanning calorimetry Distribution of the phases at different compositions was studied through scanning electron microscopy.
54 citations
TL;DR: In this article, temperature-composition-phase diagrams for several binary alloys of dialkyl-lecithins differing in chain lengths by an inceasing number of CH2-groups are derived.
54 citations
TL;DR: In this paper, a series of blend films from cellulose acetate (CA) and castor oil-based polyurethane (PU) were prepared, and the properties of such blend films were investigated by wide-angle X-ray diffraction (WXRD), infrared, scanning electron microscopy (SEM), differential scanning calorimetry (DSC), positron annihilation lifetime spectroscopy (PALS), thermogravimetric analysis and tensile test.
54 citations
TL;DR: In this paper, the plasticizing effect and miscibility of poly(lactic acid)/starch (PTPS) or PLA were intensively studied, and the results indicate that the PEGs were effective plasticizers for the PTPS blends.
Abstract: Binary and ternary blends composed of poly(lactic acid) (PLA), starch, and poly(ethylene glycols) (PEGs) with different molecular weights (weight-average molecular weights = 300, 2000, 4000, 6000, and 10, 000 g/mol) were prepared, and the plasticizing effect and miscibility of PEGs in poly(lactic acid)/starch (PTPS) or PLA were intensively studied. The results indicate that the PEGs were effective plasticizers for the PTPS blends. The small-molecule plasticizers of PEG300 (i.e., the Mw of PEG was 300g/mol) and glycerol presented better plasticizing effects, whereas its migration and limited miscibility resulted in significant decreases in the water resistance and elongation at break. PEG2000, with a moderate molecular weight, was partially miscible in sample PTPS3; this led to better performance in water resistance and mechanical properties. For higher molecular weight PEG, its plasticization for both starch and PLA was depressed, and visible phase separation also occurred, especially for PTPS6. It was also found that the presence of PEG significantly decreased the glass-transition temperature and accelerated the crystallization of the PLA matrix, depending on the PEG molecular weight and concentration. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41808.
54 citations
TL;DR: In this article, the authors have evaluated the geometry factor γ and hydrodynamic interaction parameter α and found α is a suitable parameter in predicting the miscibility window in SAN/PMMA blends.
54 citations