WebJun 22, 2024 · claimed that temperature modulated DSC has advantages over conventional DSC for determination of heat capacity and crystallinity. However, Schawe and Hess [ 50 ] proved that the method to determine the initial crystallinity by TM-DSC does not have any advantage compared to the classical evaluation methods using conventional DSC. WebMar 11, 2024 · The diffraction diagrams of the formed IC samples are presented in Figure 1, and the corresponding percent crystallinity is shown in Table 1. Based on the results, all ICs retained their original crystalline structure upon complexation regardless of the original starch type and mass ratio between starch and thymol. ... On DSC thermograms ...
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WebMar 7, 2013 · Modulated DSC was used to accurately determine the crystallinity of the sample, as well as to determine the extent of enthalpic recovery that occurred at the T g as a result of aging. The glass transition temperatures from the first heat and second heat cycles of the standard DSC tests are shown in Table 2 . WebApr 11, 2024 · As shown in Figure 3b, which presents the DSC curves of both samples, there are two main endothermic effects that partially overlap with the mass-loss stages detected by the TGA/DTGA. In the raw powder, this partial overlapping is more difficult to detect. Specifically, in the DSC curve, a peak with a maximum around 75 °C is present. longy course catalog
Crystallinity in Polymers - University of Texas at Austin
WebApr 12, 2024 · DSC analysis provides an indirect path to calculate the degree of crystallinity and glass transition temperature of polymer composites. DSC curves of the PPS and coagulation-processed PPS/BC nanocomposite were studied over a temperature range from −50 °C to 350 °C. The DSC results for melting and cooling cycles are … WebApr 9, 2015 · Abstract. This study addresses the question of the crystallinity determination of PA6 by means of DSC in the case when structural changes occur over a very large temperature domain during … hop-o\u0027-my-thumb s0