2001
DOI: 10.1016/s0032-3861(01)00093-3
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Miscibility, crystallization and real-time small-angle X-ray scattering investigation of the semicrystalline morphology in thermosetting polymer blends

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Cited by 85 publications
(84 citation statements)
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“…It has recently been shown that the presence of this additional peak is due to re-crystallization and subsequent melting of the poly(e-caprolactone) chains in the melt. 22 Figure 4 clearly shows a melting point depression of the oligomer in the presence of camptothecin, in a camptothecin concentration dependent manner. The double peak endotherm occurs for each concentration of camptothecin, and each peak is shifted to the same extent, indicating that the only effect of camptothecin is to depress the melting point.…”
mentioning
confidence: 96%
See 1 more Smart Citation
“…It has recently been shown that the presence of this additional peak is due to re-crystallization and subsequent melting of the poly(e-caprolactone) chains in the melt. 22 Figure 4 clearly shows a melting point depression of the oligomer in the presence of camptothecin, in a camptothecin concentration dependent manner. The double peak endotherm occurs for each concentration of camptothecin, and each peak is shifted to the same extent, indicating that the only effect of camptothecin is to depress the melting point.…”
mentioning
confidence: 96%
“…As the concentration of camptothecin in the oligomer increases, an onset of melting point depression of the oligomer is observed. The depression in the oligomer melting point was used as a means of estimating camptothecin solubility, according to 22 1…”
mentioning
confidence: 99%
“…Resultados SAXS, en términos de I qdos procesos: la separación de fases inducida por la polimerización y la cristalización de este último, si la temperatura de curado es inferior a la temperatura de fundido [15] . Guo y colaboradores encontraron que en mezclas epoxy/PCL, las moléculas epoxy se pueden introducir entre las lamelas del polímero cristalino, incrementando las dimensiones características de esta región [4] . En el presente trabajo, considerando un marco similar, es posible pensar que las moléculas de epoxy pueden estar presentes, ya sea en la estructura lamelar cristalina del PHB, o fuera de la estructura cristalina del PHB.…”
Section: Discussionunclassified
“…En la mayoría de los casos las mezclas se preparan a partir de una solución homogénea la cual se puede separar en diferentes fases durante la polimerización del termoestable [1] . La mezcla de un polímero termoestable con un termoplástico ha sido estudiada usando diferentes polímeros en particular [2][3][4] . Los procesos involucrados y la morfología final de la mezcla dependen de la miscibilidad inicial de las mismas.…”
Section: Introductionunclassified
“…Due to chemical dissimilarity between the components, macrophase separation happens prior to crystallization. In most of the cases it has been found that the amorphous component is excluded from the crystalline domains and resides between bundles of lamellar stacks [20,21] which in turn retard the overall crystallization [22][23][24][25] with the formation of a diverse range of morphological pattern [26].…”
Section: Introductionmentioning
confidence: 99%