Thermal stability of nanoclay polypropylene composites by simultaneous DSC and TGA

Gołębiewski, J.; Gałęski, Andrzej

doi:10.1016/j.compscitech.2007.03.007

Cited by 159 publications

(72 citation statements)

References 44 publications

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“…The analyses were conducted in nitrogen atmosphere, but the observed oxidation may be caused by the adsorbed oxygen which could have been incorporated into the polymer bulk during extrusion taking place in air. Such course of thermal degradation of PP corresponds well to the results reported by Golebiewski and Galeski [20]. Thus, our observations are similar to that of the mentioned authors.…”

Section: Thermogravimetric Analysis (Tga)supporting

confidence: 82%

New piezoelectric composites based on isotactic polypropylene filled with silicate

Kaczmarek

Królikowski

Klimiec

et al. 2017

J Mater Sci: Mater Electron

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Section: Thermogravimetric Analysis (Tga)supporting

confidence: 82%

New piezoelectric composites based on isotactic polypropylene filled with silicate

Kaczmarek

Królikowski

Klimiec

et al. 2017

J Mater Sci: Mater Electron

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“…Thermal degradation of plain PP is related to the endothermic effect and occurs before the mass loss starts. In nanocomposites the endothermic effect is eliminated and thermal degradation is shifted towards higher temperatures and correlated with mass loss (Golebiewski and Galeski 2007). Selvakumar and Manoharan (2014) determined that nanoclay in PP could improve the crystallization of polymer matrix, since the crystallization temperature increased by 1.5 °C.…”

Section: Thermal Propertiesmentioning

confidence: 99%

Thermal Analysis and Morphological Characterization of Thermoplastic Composites Filled with Almond Shell Flour/Montmorillonite

Hosseinihashemi¹,

Eshghi²,

Ayrılmış³

et al. 2016

BioResources

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The main objective of this research was to study the potential uses of almond shell flour (ASF) in the production of thermoplastic composites containing montmorillonite (MMT). Thirty, 35, and 40 wt% ASF was used, and 2.0 wt% maleic anhydride-grafted polypropylene was used as the compatibilizer. Two levels of MMT nanoclay, 2.5 and 5.0 wt%, were mixed with polypropylene (PP). The effects of MMT on the thermal properties of the blended composites were evaluated using thermogravimetric analysis (TGA), morphological characterization, scanning electron microscopy (SEM), and X-ray diffraction (XRD). The XRD data showed that the relative intercalation of the composites with 2.5 wt% MMT was higher than that of the 5.0 wt% nanoclay composites. The TGA results indicated that by increasing the MMT percentage, the degradation temperature and the thermal stability were enhanced. The MMT exhibited better dispersion in the clay layers of the polymer-matrix composites when increased from 2.5 to 5.0 wt%, and at the 5.0 wt% MMT loading, the size of MMT became larger. The total weight loss of the ASF/PP/MMT composite decreased as the filler content increased, and the thermal stability increased as the MMT content increased.

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“…44 Recently, many works have been published describing the application of TGA and DSC techniques for characterize different polymers in order to provide information about their stability. [45][46][47] Concerning drugs, many studies are applied to determine their properties when making complexes with transition metal or during investigation about drug release of nanoparticles. [48][49][50][51][52][53] In the present study, TGA was applied to characterize the antibiotic doripenem considering its behavior when submitted to heating.…”

Section: Tgamentioning

confidence: 99%

Characterization of the antibiotic doripenem using physicochemical methods: chromatography, spectrophotometry, spectroscopy and thermal analysis

et al. 2011

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Recebido em 1/11/10; aceito em 14/5/11; publicado na web em 22/7/11 Doripenem was characterized through physicochemical and spectroscopic techniques, as well as thermal analysis. TLC (Rf = 0.62) and HPLC (rt = 7.4 min) were found to be adequate to identify the drug. UV and infrared spectra showed similar profile between doripenem bulk and standard. The 1 H and 13 C NMR analysis revealed chemical shifts that allowed identifying the drug. Thermal analysis demonstrated three steps with mass loss, at 128, 178 and 276 o C. The work was successfully applied to qualitative analysis of doripenem, showing the reported methods can be used for physicochemical characterization of doripenem.

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Thermal stability of nanoclay polypropylene composites by simultaneous DSC and TGA

Cited by 159 publications

References 44 publications

New piezoelectric composites based on isotactic polypropylene filled with silicate

New piezoelectric composites based on isotactic polypropylene filled with silicate

Thermal Analysis and Morphological Characterization of Thermoplastic Composites Filled with Almond Shell Flour/Montmorillonite

Characterization of the antibiotic doripenem using physicochemical methods: chromatography, spectrophotometry, spectroscopy and thermal analysis

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