可催化高氯酸钠热分解的三维微纳多孔铜的合成

doi:10.11896/cldb.21080141

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Abstract The hydrogen bubble template method was used to successfully prepare a porous copper layer with a three-dimensional micro-nano structure. The effects of polyethylene glycol (PEG)and cetyl trimethyl ammonium bromide (CTAB)on the three-dimensional structure of porous copper (PCu)were studied. NaClO₄ was embedded in the prepared PCu by solvent volatilization to form an embedded NaClO₄ porous copper composite material. The results show that the porous copper layer adjusted by Cl^-, PEG and CTAB has the smallest pore size and the most uniform distribution, and the overall porosity is about 94%. Its microscopic appearance shows that small holes are covered by large holes, and the hole wall is connected to the hole wall. 30 μL of 0.85 mol/L NaClO₄ ethanol solution was embedded in PCu, and the sample was thermally analyzed by DSC. It was found that the decomposition temperature of NaClO₄ dropped from 517 ℃ to 321 ℃, indicating that the three-dimensional micro-nanoporous copper exhibits excellent catalytic effect on the thermal decomposition of NaClO₄, which can be used in the fields of propellants, explosives, and pyrotechnic materials.

Key words： micro-nano structure porous copper hydrogen bubble cetyl trimethyl ammonium bromide(CTAB) embedded technology thermal catalysis

Published: 25 June 2023 Online: 2023-06-20

CLC number:

O614

Fund:Open Project of Chongqing Key Laboratory (KFJJ2004).

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	Articles by authors
	SONG Shaoyi
	LI Xueming
	YANG Wenjing
	HE Miao
	NI Jie
	JIAN Yan
	ZENG Xuzhong

Cite this article:

SONG Shaoyi,LI Xueming,YANG Wenjing, et al. Synthesis of Three-dimensional Micro-Nano Porous Copper Catalyzed for Thermal Decomposition of Sodium Perchlorate[J]. Materials Reports, 2023, 37(12): 21080141-6.

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http://www.mater-rep.com/EN/10.11896/cldb.21080141 OR http://www.mater-rep.com/EN/Y2023/V37/I12/21080141

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