Synthesis of Aerosol-like Amphiphilic ZSM-5 Zeolite

doi:10.7503/cjcu20240261

Abstract

Abstract:

By asymmetric modification of ZSM-5 zeolite with 3-aminopropyltriethoxysilane and phenyltrimethoxy- silane， amphiphilic ZSM-5 zeolite with hydrophilic outer surface and oil-philic inner surface was prepared. The as-prepared zeolite was used as a precursor and processed by a gas-phase amphiphilic generator to obtain an aerosol-like zeolite with amphiphilic properties. The materials were characterized by means of SEM， XRD， FTIR and N₂ adsorption. The hydrophilic-lyophilic balance（HLB） of materials was measured and calculated. The effects of different concentrations of precursor and carrier gas flow on the size and quantity of aerosol-like amphiphilic zeolite were investigated.

Key words: ZSM-5, Amphiphilicity, Aerosol-like zeolite

CLC Number:

O614

TrendMD:

XIAO Peiwen, YANG Aili, LIU Bolun, HAN Xue, LI Hui, YE Yinzhu, WANG Runwei, ZHANG Zongtao. Synthesis of Aerosol-like Amphiphilic ZSM-5 Zeolite[J]. Chem. J. Chinese Universities, 2025, 46(2): 20240261.

Figures/Tables 9

References 9

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Sample				C/N^*	C/H^*
Sample	N（%）	C（%）	H（%）	C/N^*	C/H^*
ZSM⁃5	0	0	0.188	0	0
APTES⁃ZSM⁃5	0.04	4.44	0.230	114.01	19.61

Sample				C/N^*	C/H^*
Sample	N（%）	C（%）	H（%）	C/N^*	C/H^*
ZSM⁃5	0	0	0.188	0	0
APTES⁃ZSM⁃5	0.04	4.44	0.230	114.01	19.61

Sample	S_BET/（m²·g^-1）	Micropore area/（m²·g^-1）	External surface area/（m²·g^-1）	Pore volume/（cm³·g^-1）	Micropore size/nm	Mescopore size/nm
APTES⁃ZSM⁃5⁃PTMS	226.29	131.55	94.75	0.40	0.59， 0.68	2.73
Aerosol⁃like amphiphilic ZSM⁃5 zeolite	245.92	140.45	105.47	0.44	0.59， 0.68	2.73

Sample	S_BET/（m²·g^-1）	Micropore area/（m²·g^-1）	External surface area/（m²·g^-1）	Pore volume/（cm³·g^-1）	Micropore size/nm	Mescopore size/nm
APTES⁃ZSM⁃5⁃PTMS	226.29	131.55	94.75	0.40	0.59， 0.68	2.73
Aerosol⁃like amphiphilic ZSM⁃5 zeolite	245.92	140.45	105.47	0.44	0.59， 0.68	2.73

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