Alfa Chemistry provides you with thermal analysis instrument combined detection services, including but not limited to TG-FTIR, TG-DSC, TG-MS, TG-FTIR-MS, to help you solve analytical problems in the research process of flame retardant materials.
Combining advanced laboratory equipment and experienced materials chemists, Alfa Chemistry can provide the best combined instrument testing services according to your products and specific needs. The detection and analysis items we specialize in include the following options:
Thermogravimetric-Infrared Combined Technology (TGA-FTIR) is a technology that determines the structure of volatile components or decomposition products produced in the process of thermogravimetric loss through FTIR detection and analysis. Using a purge gas (usually nitrogen or air), the components of the overflow gas are introduced into the optical path of FTIR through a constant high temperature pipeline and gas cell, so as to be detected.
Simultaneous thermal analysis technology combines TG and DSC, in which thermogravimetric and differential thermal information can be obtained simultaneously using the same sample in the same measurement. According to whether a certain thermal effect corresponds to a mass change, it is helpful to identify the physicochemical process corresponding to the thermal effect (such as distinguishing melting peaks, crystallization peaks, phase transition peaks and decomposition peaks, oxidation peaks, etc.).
Combining thermogravimetric analysis with mass spectrometry can detect impurities with very low levels. By thermogravimetric heating of the sample, the sample decomposes into gases that are transported to the mass spectrometer for identification due to the volatiles present or combustion. Therefore, TG-MS combination becomes a powerful means for quality control, product safety and product development.
The thermogravimetric-mass spectrometry-infrared system can monitor the change of the weight of the sample in real time under specific atmosphere and programmed temperature conditions, and perform compositional analysis and dynamic quantitative analysis of the spilled components generated during the heating process. It is mainly used for the study of the relationship between the physical and chemical properties of substances and temperature, for the study of reaction kinetics and mechanism, and for the real-time online qualitative and quantitative analysis of the reaction spilled products of substances under specific conditions.
If the testing solution you are interested in is not listed here, please feel free to contact our team to discuss your flame retardant analysis needs.
Compared with single instrument detection, the thermal analysis instrument combined detection can better reflect the thermal decomposition process and explain the flame retardant mechanism of flame retardant materials. These instrument combined detection methods simultaneously analyze the mass change, energy change, and volatile substances in the reaction process, thus to analyze the physical and chemical changes that occur in the flame-retardant materials with the increase of temperature.
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Analysis of Flame Retardant Mechanism by TG-FTIR-MS
Xiu Liu et al. studied the catalytic effect of boron phosphate (BP) on the thermal stability and char formation of flame retardant polyurethane-polyisocyanurate foam (FPUR-PIR). In this work, the authors investigated the gas-phase products of FPUR-PIR during thermal decomposition by TG-FTIR-MS, and parts of the test results are shown below.
Comparison of (a) TG-FTIR and (b) TG-MS spectra of FPUR-PIR and FPUR-PIR-BP3 pyrolysis products 
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