The objective of this study was to investigate the thermal behavior of zinc borate (ZnB)-treated solid wood by thermal analysis (TA). Thermogravimetry (TG) and differential thermogravimetry (DTG) curves obtained from TA showed that ZnB-treated wood specimens had higher char yields and lower maximum thermal decomposition temperature than untreated wood specimens. Reducing thermal decomposition temperature and increasing char yield are two of the most characteristic effects of fire retardant chemicals for wood products. Briefly, the final char yield of wood specimens occurred in the following order: 2% ZnB > 0.5% ZnB > 0.1% ZnB > control and the maximum thermal decomposition temperature of wood specimens occurred in the following order: 2% ZnB < 0.5%

Keywords: zinc borate, thermal analysis, kinetics, fire retardancy, TG, DTG

Conference: 09-05-24/28 Beijing, China

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