Alonso M.V., Oliet M., Dominguez J.C., Rojo E., Rodriguez F.: Thermal degradation of lignin-phenol-form- aldehyde and phenol-formaldehyde resol resins. Structural changes, thermal stability, and kinetics. Journal of Thermal Analysis and Calorimetry, 105 (2011), 349-356...
Similarities and differences in thermal behaviour and composition of degradation products among studied lignins were observed and discussed. Klason wheat straw and Lignoboost softwood lignins showed a similar thermal behaviour but different composition of pyrolysis oils while the lignin obtained by acid ...
Non-isocyanate polyurethanes (NIPUs) are considered as a class of environmentally-safe polymers that show promising properties, such as chemical and mechanical resistance. An important feature that may limit some important applications is the thermal degradation behavior of NIPUs and their composites and...
process of lignocellulosic biomass, the holocellulose is decomposed first followed by lignin at higher temperatures (Gronli et al., 2002). In the case of the pine wood, it was found that the decomposition of the holocellulose starts at 275 °C and the lignin decomposes at ...
Characterization of lignocellulosic biomass thermal degradation and physiochemical structure: Effects of demineralization by diverse acid solutions To eliminate the negative impacts of inorganic constituents during biomass thermochemical processes, leaching method by different diluted acid solutions wa... M Asadie...
In addition, thermal degradation data shows the weight loss of the materials and the first derivative (DTG) indicates the corresponding rate of weight loss. Thermal behaviour of coconut coir husk (Cch) and extracted lignin Among their topics are optimizing the self-ordering process of ...
Define Thermal degradation. Thermal degradation synonyms, Thermal degradation pronunciation, Thermal degradation translation, English dictionary definition of Thermal degradation. The breaking down of a chemical compound by heat into smaller components w
The results showed that neither xenon lamp nor mercury lamp can simulate properly the effect of sunlight. Light irradiated samples put behind an aluminium plate also suffered considerable chemical changes, measured by infrared technique and colour measurement. Degradation of lignin was inconsiderable in ...
美 英 un.热降解 网络热裂解 英汉 网络释义 un. 1. 热降解 释义: 全部,热降解,热裂解
Thermal conversion of this residue composed of cellulose, hemicellulose, and lignin degradation steps with maximum weight losses around 250 to 450℃. The order of reaction increased with temperature from 0.28 at 250℃ to 0.81 at 450℃. The activation energies ranging from 105-184 kJ/mol depend ...