Topic
Thermogravimetric analysis
About: Thermogravimetric analysis is a research topic. Over the lifetime, 37248 publications have been published within this topic receiving 862144 citations. The topic is also known as: thermal gravimetric analysis & TGA.
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TL;DR: A detailed analysis by X-ray photoelectron spectroscopy was carried out on multi-walled carbon nanotube (MWCNT) surfaces after non-oxidative and oxidative purification treatments in liquid-phase.
140 citations
TL;DR: In this article, a modified twin-rotor mixer with improved sealing to establish an oxygen-free environment was used to study the chemical and physical reactions during the melt-processing through monitoring the temperature and torque.
140 citations
TL;DR: In this article, the synergistic effects of silicotungistic acid (SiW12) as a catalyst in polypropylene (PP) flame-retarded by the intumescent flame retarder (IFR) based on the NP28 phosphorus-nitrogen compound were studied using the limiting oxygen index (LOI), the UL-94 test, thermogravimetric analysis (TGA), real time Fourier transform infrared (FTIR), laser Raman spectroscopy (LRS), and scanning electron microscopy (SEM).
140 citations
TL;DR: In this paper, a new intumescent flame-retardant (IFR) system for PE (PE-IFR), was investigated by limited oxygen index (LOI), UL-94 test, thermogravimetric analysis (TGA), and FTIR spectroscopy.
Abstract: A new charing agent (CA), a deriative of triazine, was synthesised. The flame retardnacy and thermal behavior of a new intumescent flame-retardant (IFR) system for PE (PE-IFR) were investigated by limited oxygen index (LOI), UL-94 test, thermogravimetric analysis (TGA), and FTIR spectroscopy. The TG curves shows that the amount of residue of IFR-PE system are largely increased compared to those of PE at temperatures ranging from 350 to 700°C. The new PE-IFR system can apparently reduce the amount of decomposing products at higher temperatures and promotes the formation of carbonaceous charred layer. It showed a distinct synergistic flame retardant effect (SE) between nitrogen an phosphorus. The flame retardant OE composition was optimized to achieve a LOI value of 31.2 and UL-94 V-0 performance with the synthesized charring agent, ammonium polyphosphate (APP).
140 citations
TL;DR: In this article, a simple and scalable process has been developed for synthesizing spinel NiCo 2 O 4 nanocrystals through a thermal decomposition method, which significantly enhances the homogeneity and porosity of spinel nano-nodes.
140 citations