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使用激波管作为加热手段研究酚醛树脂在1200~1800K温度范围内的热解特征.气相产物中主要碳氢产物是甲烷、乙烯、乙炔、苯和甲苯.获得试验温度范围内主要碳氢产物分布随热解温度的变化关系.结果表明,在试验温度范围内随着热解温度的升高酚醛树脂的热解机理发生重大变化.1400K以下热解断键过程主要发生在亚甲基桥链结构上;1400K以上芳环开环成为主要的热解通道,生成大量的乙炔.

参考文献

[1] KEENAN J A;CANDLER G V .Simulation of ablation in earth atmospheric entry[AIAA-1993-2789][R].
[2] PARK C .Chemical-kinetic parameters of hyperbolic earth entry[J].Journal of Thermophysics and Heat Transfer,2001,15(01):76-90.
[3] OUCHI K;HONDA H.Pyrolysis of coal Ⅰ-thermal cracking of phenol formaldehyde taken as coal models[A].,1957:429-443.
[4] JACKSON WILLIAM M;CONLEY ROBERT T .High temperature oxidative degradation of phenol-formaldehyde polycondensates[J].Journal of Applied Polymer Science,1964,8(05):2163-2193.
[5] 徐复铭,周伟良.Resol型酚醛树脂热解特征的TG-MS 研究[J].宇航材料工艺,2003(01):18-23.
[6] MARTA SOBERA;JACER HETPER .Pyrolysis-gas chromatography-mass spectrometry of cured phenolic resins[J].Journal of Chromatography A,2003,993:131-135.
[7] CHERNG CHANG;TACKETT JUANITA R .Characterization of phenolic resins with thermogravimetry-mass spectrometry[J].Thermochimica Acta,1991,192:181-190.
[8] BLAZS M;T TH T .Thermal decomposition of methylene bridges and methyl groups at aromatic rings in phenol-formaldehyde polycondensates[J].Journal of Analytical and Applied Pyrolysis,1986,10(01):41-50.
[9] GAYDON A G;HURLE I R.The shock tube in high-temperature chemical physics[M].New York:Reinhold Publishing Corporation,1963
[10] WING TSANG;ASSA LIFSHITZ .Shock tube techniques in chemical kinetics[J].Annual Review of Physical Chemistry,1990,41:559-599.
[11] 范秉诚;崔季平 .魔洞型单脉冲激波管[J].气动实验与测量控制,1990,4(03):8-62.
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