Research progress on preparation of BN porous ceramics

doi:10.3969/j.issn.1001-1935.2022.02.018

Abstract

Abstract:

BN porous ceramics have great application potential in fields such as adsorption,heat insulation,environmental repairing,and electronic packaging owing to their high porosity,high specific surface area,low thermal conductivity,and excellent chemical stability.The recent progress on the preparation of BN porous ceramics was briefly summarized.The structure and performance of BN porous ceramics prepared by template and non-template methods as well as the advantages and disadvantages of these methods were sketched.The challenges and future development direction on the preparation and application of BN porous ceramics were proposed.

Key words: boron nitride porous ceramics, preparation method, template method, non-template method

摘要：

BN多孔陶瓷因具有高孔隙率、高比表面积、低热导率、优异的化学稳定性等优点,在吸附、保温隔热、环境修复及电子包装等领域应用潜力巨大。简要综述了近年来BN多孔陶瓷制备方法的进展,概述了模板法与非模板法所制备BN多孔陶瓷的结构及性能,总结了各种制备方法的优缺点,提出了BN多孔陶瓷制备及其应用方面所面临的挑战和未来的发展方向。

关键词: BN多孔陶瓷, 制备方法, 模板法, 非模板法

CLC Number:

TQ126.2+9

Zhang Xin, Han Lei, Wu Shuaibing, Cai Wejie, Zhang Haijun. Research progress on preparation of BN porous ceramics[J]. Refractories, 2022, 56(2): 174-179.

张鑫, 韩磊, 吴帅兵, 蔡伟杰, 张海军. BN多孔陶瓷的制备研究进展[J]. 耐火材料, 2022, 56(2): 174-179.

Figures/Tables 1

References 32

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制备方法	模板类型/造孔剂种类	反应温度/℃	反应时间/h	比表面积/(m²·g^-1)	孔隙率/%	体积密度/(mg·cm^-3)	文献
模板法	镍泡沫	1 000	1		99.9	1.6	[6]
	碳泡沫	1 600		716.5		2.0	[13]
	碳泡沫	1 700	4	166.0	98.5	30.4	[14]
	碳泡沫	1 700			75.5	561.0	[10]
	聚苯乙烯树脂	1 150	1.5	180.0			[15]
	三聚氰胺海绵	1 000	2	1 837.8	97.6	1.7	[16]
	冰			273.0		1.4~20.0	[19]
	冰		24			40.0	[20]
	冰		24	124.4		29.0	[21]
	冰		48			6.5	[22]
	冰	1 100	4	773.0	99.3	15.0	[25]
	冰	1 200	3	920.0		15.0	[26]
	冰	1 400	4		98.8	27.5	[27]
造孔剂法	硫脲	1 200	4	-		2.1	[28]
	硫脲	1 200	2	130.0		2.7	[29]
	甲醛-二氰二胺树脂	1 100	6	1 406.0		180	[30]

制备方法	模板类型/造孔剂种类	反应温度/℃	反应时间/h	比表面积/(m²·g^-1)	孔隙率/%	体积密度/(mg·cm^-3)	文献
模板法	镍泡沫	1 000	1		99.9	1.6	[6]
	碳泡沫	1 600		716.5		2.0	[13]
	碳泡沫	1 700	4	166.0	98.5	30.4	[14]
	碳泡沫	1 700			75.5	561.0	[10]
	聚苯乙烯树脂	1 150	1.5	180.0			[15]
	三聚氰胺海绵	1 000	2	1 837.8	97.6	1.7	[16]
	冰			273.0		1.4~20.0	[19]
	冰		24			40.0	[20]
	冰		24	124.4		29.0	[21]
	冰		48			6.5	[22]
	冰	1 100	4	773.0	99.3	15.0	[25]
	冰	1 200	3	920.0		15.0	[26]
	冰	1 400	4		98.8	27.5	[27]
造孔剂法	硫脲	1 200	4	-		2.1	[28]
	硫脲	1 200	2	130.0		2.7	[29]
	甲醛-二氰二胺树脂	1 100	6	1 406.0		180	[30]