Synthesis and Combustion Catalytic Activity of Nanoparticle Pb(Ⅱ)-Resorcylic Acid Complex

Abstract

Abstract: The nanoparticle Pb(Ⅱ)-resorcylic acid complex were synthesized by liquid dispersion deposition method by using Pb(Ac)₂·2H₂O and resorcylic acid as the reactant, and characterized with TEM, XRD, TG, DSC, IR and element analysis. The effects of reactive condition on the particle size and the morphology of complexes were investigated. In addition, the catalytic activity of nanoparticle PbRes complex on the thermal decomposition of nitrocellulose-nitroglycerine(NC-NG) was also determined by DSC. The results show the spherical complex nanoparticles with a diameter of 50 nm were obtained in ethanol solution, and the stick-shaped complex nanoparticles with a diameter of 15 nm and length of 40 nm were obtained in H₂O. The peak temperature of the thermal decomposition of NC-NG decreases by 5.6 ℃, and the decomposition enthalpy ΔH increases by 918 J/g(about 41%), in the presence of nanoparticle PbRes complex.

Key words: Nanoparticle, Lead salt, Resorcylic acid, Dispersion deposition method, Complex, Combustion catalyst

CLC Number:

O614.43⁺3

TrendMD:

HONG Wei-Liang, LIU Jian-Hong, QIU Chao-Er, ZHAO Feng-Qi, TIAN De-Yu, ZHANG Pei-Xin, WANG Fang . Synthesis and Combustion Catalytic Activity of Nanoparticle Pb(Ⅱ)-Resorcylic Acid Complex[J]. Chem. J. Chinese Universities, 2005, 26(5): 889.

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Synthesis and Combustion Catalytic Activity of Nanoparticle Pb(Ⅱ)-Resorcylic Acid Complex

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