The effect of ionic liquids on the decomposition behavior of epoxy resin in subcritical water

The effect of ionic liquids on the decomposition behavior of the E-51/MeTHPA system in subcritical water conditions was studied. The effects of ionic liquid types and dosage on decomposition ratio were investigated in detail. The results showed that [Bmim]BF 4 and [Bmim]Cl/ x ZnCl 2 ( x = 0.67) coul...

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Bibliographic Details
Published in:RSC advances 2015-01, Vol.5 (19), p.14553-1456
Main Authors: Liu, Yuyan, Kang, Hongjun, Gong, Xianyun, Mao, Lifei, Wu, Sonquan
Format: Article
Language:English
Subjects:
Decomposition
Dosage
Epoxy resins
Ionic liquids
Polymers
Promotion
Reaction kinetics
Resins
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Summary:The effect of ionic liquids on the decomposition behavior of the E-51/MeTHPA system in subcritical water conditions was studied. The effects of ionic liquid types and dosage on decomposition ratio were investigated in detail. The results showed that [Bmim]BF 4 and [Bmim]Cl/ x ZnCl 2 ( x = 0.67) could improve the decomposition ratio of the resin system, and [Bmim]Cl/ x ZnCl 2 ( x = 0.67) was more efficient. Meanwhile, the promotion mechanism of ionic liquid for the decomposition ratio was analyzed. The decomposition kinetics study of the E-51/MeTHPA system showed that the reaction order of the resin system without ionic liquids was 0.8301 in subcritical water conditions, while with the addition of 20 wt% [Bmim]BF 4 and [Bmim]Cl/ x ZnCl 2 ( x = 0.67), the reaction order n was 0.6727 and 0.6602, respectively. The [Bmim]BF 4 and [Bmim]Cl/ x ZnCl 2 ( x = 0.67) ionic liquids could improve the decomposition ratio, which was attributed to the ionized H + from [Bmim] + . Meanwhile, the decomposition kinetics of resin system in subcritical water was also studied.
ISSN:2046-2069
2046-2069
DOI:10.1039/c4ra14898c