Abstract
The effect of temperature on the crystalline morphology of melt-crystallized poly(hexamethylene terephthalate) (PHT) and poly(decamethylene terephthalate) PDT was studied. An isothermal crystallization of both polymers was carried out within a wide range of temperatures. Microscopic and small-angle light scattering studies of the crystallized samples have shown the rod-like morphology as the prevailing one. Optical properties of the morphological entities evidently depend upon the crystallization temperature. At temperatures close to the maximum crystallization rate temperature Tmax, only the structures of type 45 occur. At temperatures much lower or higher than Tmax, structures of type 0-90 or mixtures of both 45 and 0-90 were observed. An explanation for this phenomenon is offered.
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Daniewska, I. Studies on the Morphology of Poly(terephthalate)s. Polym J 12, 417–422 (1980). https://doi.org/10.1295/polymj.12.417
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DOI: https://doi.org/10.1295/polymj.12.417
