Synthesis of Diethyl Toluene Diamine by Zeolite-Catalyzed Ethylation of 2,4-Toluene Diamine
Yi Zuo
1
,
Xiaowa Nie
1
,
Min Liu
1
,
Ting Zhang
1
,
Chengyi Dai
1
,
Fanshu Ding
1
,
Chunshan Song
2
,
Publication type: Journal Article
Publication date: 2015-07-22
scimago Q1
wos Q2
SJR: 0.828
CiteScore: 6.7
Impact factor: 3.9
ISSN: 08885885, 15205045
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Abstract
A novel route for the environmentally friendly synthesis of diethyl toluene diamine (DETDA) was developed by the ethylation of 2,4-toluene diamine (2,4-TDA) over acidic zeolites using ethene and ethanol as the alkylation reagents. Different types of zeolites and reaction conditions were examined. Monoethyl toluene diamine (ETDA) was first generated and then DETDA was formed by ethylation of ETDA. Triethyl toluene diamine (TETDA) was the excessive ethylation product. The acidic zeolites were characterized by NH3 temperature-programmed desorption, pyridine adsorption Fourier transform infrared spectroscopy, argon/nitrogen physisorption and scanning/transmission electron microscopy. The acidity, especially the Bronsted acid sites on the external surface of zeolites, plays a more important role in the ethylation than the pore channel does. A small crystal size exposing more acid sites on the external surface is beneficial for the producing of DETDA. The treatment with NaOH generating meso- and macropores and ...
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Zuo Y. et al. Synthesis of Diethyl Toluene Diamine by Zeolite-Catalyzed Ethylation of 2,4-Toluene Diamine // Industrial & Engineering Chemistry Research. 2015. Vol. 54. No. 30. pp. 7364-7372.
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Zuo Y., Nie X., Liu M., Zhang T., Dai C., Ding F., Song C., Gao L. Synthesis of Diethyl Toluene Diamine by Zeolite-Catalyzed Ethylation of 2,4-Toluene Diamine // Industrial & Engineering Chemistry Research. 2015. Vol. 54. No. 30. pp. 7364-7372.
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TY - JOUR
DO - 10.1021/acs.iecr.5b01233
UR - https://doi.org/10.1021/acs.iecr.5b01233
TI - Synthesis of Diethyl Toluene Diamine by Zeolite-Catalyzed Ethylation of 2,4-Toluene Diamine
T2 - Industrial & Engineering Chemistry Research
AU - Zuo, Yi
AU - Nie, Xiaowa
AU - Liu, Min
AU - Zhang, Ting
AU - Dai, Chengyi
AU - Ding, Fanshu
AU - Song, Chunshan
AU - Gao, Linna
PY - 2015
DA - 2015/07/22
PB - American Chemical Society (ACS)
SP - 7364-7372
IS - 30
VL - 54
SN - 0888-5885
SN - 1520-5045
ER -
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@article{2015_Zuo,
author = {Yi Zuo and Xiaowa Nie and Min Liu and Ting Zhang and Chengyi Dai and Fanshu Ding and Chunshan Song and Linna Gao},
title = {Synthesis of Diethyl Toluene Diamine by Zeolite-Catalyzed Ethylation of 2,4-Toluene Diamine},
journal = {Industrial & Engineering Chemistry Research},
year = {2015},
volume = {54},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/acs.iecr.5b01233},
number = {30},
pages = {7364--7372},
doi = {10.1021/acs.iecr.5b01233}
}
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Zuo, Yi, et al. “Synthesis of Diethyl Toluene Diamine by Zeolite-Catalyzed Ethylation of 2,4-Toluene Diamine.” Industrial & Engineering Chemistry Research, vol. 54, no. 30, Jul. 2015, pp. 7364-7372. https://doi.org/10.1021/acs.iecr.5b01233.