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  • Pyridinium based dicationic ionic liquids as base lubricants or lubricant additives
    Mahrova, Maria ...
    A series of eight new dicationic ionic liquids incorporating polyethylene glycol chains linking two N-alkylpyridinium moieties through rings position 2, were synthesized and investigated for their ... potential use as lubricants or lubricant additives. Alkylsulfate and bis(trifluoromethanesulfonyl)imide [NTf2] were selected as anions. Dicationic ionic liquids containing [NTf2] anion demonstrated good properties as neat lubricants showing low coefficient of friction and wear comparable with the reference lubricant (glycerol). Even more interesting could be their use as friction modifier additives since an important decrease in the coefficient of friction was achieved with a really low concentration of ionic liquid. The thermal analysis of all ionic liquids by thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC) is also described.
    Source: Tribology international. - ISSN 0301-679X (Vol. 82, pt. A, Feb. 2015, str. 245-254)
    Type of material - article, component part
    Publish date - 2015
    Language - english
    COBISS.SI-ID - 14118427
    DOI

source: Tribology international. - ISSN 0301-679X (Vol. 82, pt. A, Feb. 2015, str. 245-254)
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