1H NMR spectra were recorded at 400 MHz and 13C spectra were recorded at 100 MHz (Agilent spectrometer). Chemical shifts (ppm) are reported relative to tetramethylsilane (TMS) as an internal standard. High-resolution mass spectrometry (HRMS) analyses were performed on a Waters Xevo G2 Q-TOF mass spectrometer equipped with an ESI source operating in the positive negative ion mode. Accurate mass and molecular ion compositions were calculated using the MassLynx software incorporated with the instrument. Thermogravimetric analyses (TGA) were performed using a Mettler-Toledo TGA/DSC 3+ thermobalance. Samples (approximately 5–10 mg) were heated from 25–900 °C at a rate of 10 °C min−1 in standard 70 μL Al2O3 crucibles under a dynamic nitrogen flow of 80 mL min−1. Differential scanning calorimetry (DSC) were performed using a Mettler-Toledo DSC 822 analyzer. Samples were heated from −65–150 °C at a rate of 10 °C min−1 in standard 40 μL Al crucibles under a dynamic nitrogen flow of 80 mL min−1. Viscosity measurements were carried out using a Brookfield RST-CPS rheometer with a cone and plate measuring system. Due to high viscosities, samples were analyzed at 70 °C, and where it was possible at 50 °C.
Dsc 822 analyzer
Manufactured by Mettler Toledo
Sourced in United States
The DSC 822 analyzer is a thermal analysis instrument designed for differential scanning calorimetry (DSC) measurements. It provides precise and reliable data on the thermal properties of materials, such as their phase transitions, heat capacity, and thermal stability. The DSC 822 analyzer is a versatile tool suitable for a wide range of applications in various industries, including materials science, pharmaceuticals, and polymer research.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using dsc 822 analyzer
1
Spectroscopic and Thermal Characterization
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1H NMR spectra were recorded at 400 MHz and 13C spectra were recorded at 100 MHz (Agilent spectrometer). Chemical shifts (ppm) are reported relative to tetramethylsilane (TMS) as an internal standard. High-resolution mass spectrometry (HRMS) analyses were performed on a Waters Xevo G2 Q-TOF mass spectrometer equipped with an ESI source operating in the positive negative ion mode. Accurate mass and molecular ion compositions were calculated using the MassLynx software incorporated with the instrument. Thermogravimetric analyses (TGA) were performed using a Mettler-Toledo TGA/DSC 3+ thermobalance. Samples (approximately 5–10 mg) were heated from 25–900 °C at a rate of 10 °C min−1 in standard 70 μL Al2O3 crucibles under a dynamic nitrogen flow of 80 mL min−1. Differential scanning calorimetry (DSC) were performed using a Mettler-Toledo DSC 822 analyzer. Samples were heated from −65–150 °C at a rate of 10 °C min−1 in standard 40 μL Al crucibles under a dynamic nitrogen flow of 80 mL min−1. Viscosity measurements were carried out using a Brookfield RST-CPS rheometer with a cone and plate measuring system. Due to high viscosities, samples were analyzed at 70 °C, and where it was possible at 50 °C.
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1H NMR spectra were recorded at 400 MHz and 13C spectra were recorded at 100 MHz (Agilent spectrometer). Chemical shifts (ppm) are reported relative to tetramethylsilane (TMS) as an internal standard. High-resolution mass spectrometry (HRMS) analyses were performed on a Waters Xevo G2 Q-TOF mass spectrometer equipped with an ESI source operating in the positive negative ion mode. Accurate mass and molecular ion compositions were calculated using the MassLynx software incorporated with the instrument. Thermogravimetric analyses (TGA) were performed using a Mettler-Toledo TGA/DSC 3+ thermobalance. Samples (approximately 5–10 mg) were heated from 25–900 °C at a rate of 10 °C min−1 in standard 70 μL Al2O3 crucibles under a dynamic nitrogen flow of 80 mL min−1. Differential scanning calorimetry (DSC) were performed using a Mettler-Toledo DSC 822 analyzer. Samples were heated from −65–150 °C at a rate of 10 °C min−1 in standard 40 μL Al crucibles under a dynamic nitrogen flow of 80 mL min−1. Viscosity measurements were carried out using a Brookfield RST-CPS rheometer with a cone and plate measuring system. Due to high viscosities, samples were analyzed at 70 °C, and where it was possible at 50 °C.
2
Thermal Stability Analysis of Fibers
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Thermal stability of fiber samples was assessed using a Thermogravimetric analyzer model TGA/SDTA 851e (Mettler-Toledo International Inc., Columbus, OH, USA). Thermal analysis was conducted in range of 30–900 ℃ with heating rate of 10 °C/min under nitrogen purge atmosphere, while Differential scanning calorimetry (DSC) was carried out at 30–600 ℃ at 10 ℃/min heating rate by using DSC 822 analyzer (Mettler-Toledo International Inc., USA).
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