通过热分析、红外光谱、剩碳率和氧指数对用含氮、磷等无机化合物处理后的阻燃木材的热降解行为进行了表征,并对其阻燃机理作了初步探讨.结果表明,经过阻燃处理的木材其氧指数和剩碳率比未处理的木材升高,而热降解反应活化能和分解温度降低.
关键词：
木材; 热分析; 热降解; 热性能; 阻燃
[1] HirataT, KAWAMOTO S, NISHIMOTO T. Thermogravimetry of wood treated with water - insoluble retardants and a proposal for development of fire retardant wood materials [J]. Fire and Materials 1991, 15.
[2] GETTO H, ISHIHARA S. Functionally graded wood in fire endurance vith basic nitrogen compounds an d phosphoric acid [J]. Fire and Materials 1998, 22.
[3] Subyakto, KAJ IMOTO T, HATA T. Improving fire retardancy of fast growing wood by coating with fire retardant and surface densification [J]. Fire and Materials 1998, 22.
[4] Jain R K, LAL K, BHATNAGAR H L. Thermal studies on C-6 substitued cellulose and its subsequent phosphorylated products in air [J]. Thermochimica Acta 1986, 97.
[5] NAKA NISHI S, HASHIMOTO T. Flame retardation of cellulosic fibers as characterized by themal degradation behavior [J]. Textile Research Journal 1998, 68(68).
[6] Broido A. A simple, sensitive graphical method of treating themogravimetric analysis data [J]. Journal of Polymer Science 1969, A2(07).
[7] KANDOLA B, HORROKS A R, PRICE D. Flame- retardant treatments of cellulose and their influence on the mechanism of cellulose pyrolysis [J]. Journal of Macromolecular Science:Reviews in Macromolecular Chemistry and Physics 1996, C36(04).
[8] Tian CM., Zhang HY., Xu JZ., Shi JR., Guo HZ.. STUDY ON THE THERMAL DEGRADATION OF COTTON CELLULOSE AMMONIUM PHOSPHATE AND ITS METAL COMPLEXES [J]. Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems 1995, 0(0).
