Comparison of six ester components in nitrocellulose lacquer thinner from the aspects of dissolution rates, explosion characteristics and environmental influence

•Paid attention to the efficiency, safety using and environmental influence of ester components in nitrocellulose lacquer thinner.•Six ester components in nitrocellulose lacquer thinner were compared by three experiments.•Methyl acetate is a relatively better ester component in nitrocellulose lacque...

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Bibliographic Details
Published in:Progress in organic coatings 2020-02, Vol.139, p.105426, Article 105426
Main Authors: Xu, Wenbin, Liang, Liang, Luo, Quanbing, He, Zili, Liang, Minghua, Shen, Hao, Liang, Dong
Format: Article
Language:English
Subjects:
Cellulose esters
Cellulose nitrate
Dissolution
Dissolution rate
Dunaliella
Ester
Esters
Ethyl acetate
Ethyl butyrate
Ethyl propionate
Flammability
Flammability limits
IC50
Lower explosive limit
Nitrocellulose lacquer thinner
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Summary:•Paid attention to the efficiency, safety using and environmental influence of ester components in nitrocellulose lacquer thinner.•Six ester components in nitrocellulose lacquer thinner were compared by three experiments.•Methyl acetate is a relatively better ester component in nitrocellulose lacquer thinner. Methyl Acetate (MA), Ethyl Acetate (EA), n-Propyl Acetate (PA), n-Butyl Acetate (BA), Ethyl Propionate (EP) and Ethyl Butyrate (EB) are common ester components for Nitrocellulose (NC) lacquer thinner. They exhibit good solubility for NC lacquer, but they are flammable and explosive and could also bring negative effect on environment. In this paper, their dissolution rates, lower explosive limits (LELs) and the half maximal inhibitory concentrations (IC50) (on Dunaliella bardawil) were studied. Their dissolution rates for NC lacquer are about 39.64, 32.81, 23.56, 19.76, 26.50 and 19.36 mg/min, respectively. Their LELs are about 3.145%, 2.060%, 1.845%, 1.540%, 1.740% and 1.425%, respectively. And their IC50 are about 20.47, 11.35, 3.18, 1.00, 3.37 and 1.98 g/L, respectively. Considering from the three aspects, MA is a better ester component for NC lacquer thinner than other five esters, while BA and EB are relative worse components for NC lacquer thinner.
ISSN:0300-9440
1873-331X
DOI:10.1016/j.porgcoat.2019.105426