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Article
Spacer length effect on the aggregation behaviours of gemini surfactants in EAN
As the symbol of gemini surfactants, the spacer group connects two surfactant monomers and plays an important role in the self-assembling of gemini surfactants. Recent attention has been paid to the effects of...
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Article
Synthesis, Characterization, Thermal Analyses, and Spectroscopic Properties of Novel Naphthyl-Functionalized Imidazolium Ionic Liquids
A series of novel ionic liquids based on naphthyl-functionalized imidazolium cation have been prepared. Their structure was characterized by NMR. The thermal stabilities of the prepared liquids were studied by...
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Article
Thermal-responsive poly(N-isopropyl acrylamide)/sodium alginate hydrogels: preparation, swelling behaviors, and mechanical properties
Temperature-responsive hydrogels with enhanced mechanical properties are desirable in areas such as intelligent device. In this contribution, a poly(N-isopropyl acrylamide)/sodium alginate (PNIPAM/Ca-alginate)...
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Article
Green Ionic Liquid Lubricants Prepared from Anti-Inflammatory Drug
1-Alkyl-3-methylimidazolium ibuprofen ionic liquids (ILs, L-Ibu104, L-Ibu106 and L-Ibu108) were synthesized from an anti-inflammatory drug, sodium ibuprofen. The physicochemical and tribological properties of...
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Article
The Influences of Methyl Group at C2 Position in Imidazolium Ring on Tribological Properties
Tribological properties of two kinds of imidazolium ionic liquids (ILs) of 1,2-dimethyl-3-hexylimidazolium bis(trifluoromethylsulfonyl)imide (L-F116) and 1-dimethyl-3-hexylimidazolium bis(trifluoromethylsulfon...
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Article
High-Temperature Tribological Properties of 2-Substituted Imidazolium Ionic Liquids for Si3N4-Steel Contacts
Novel ionic liquid lubricants based on monocationic and dicationic 2-substituted imidazolium ionic liquids were synthesized and evaluated as lubricants at 250 °C. Results showed that both monocationic and dica...