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Bisimidazolium Ionic Liquids as the High-Performance Antiwear Additives in Poly(ethylene glycol) for Steel#Steel Contacts

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ABSTRACT
Bisimidazolium ionic liquids [C10(m2im)2(NTf2)2, C10(m2im)2(PF6)2, and C10(m2im)2(BF4)2] with different anions were evaluated as the antiwear additives in poly(ethylene glycol) at room temperature. Results showed that they could effectively reduce the friction and wear of sliding pairs compared with the cases without these additives. Especially, C10(m2im)2(NTf2)2 showed better antiwear properties with an optimum concentration of 3 wt %, by which a significant improvement of its antiwear property by dozens of times with respect to the base oil was achieved. The excellent tribological properties are attributed to the formation of high-quality physical adsorption films and tribochemical product during friction and the good miscibility of ionic liquids with base oil.

KEYWORDS: friction • antiwear • additive • ionic liquid • tribology

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Informasi Detail

Judul Seri

ACS Applied Materials & Interfaces

No. Panggil

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Penerbit

Washington, DC : American Chemical Society., 2009

Deskripsi Fisik

ACS Appl. Mater. Interfaces, 2009, 1 (2), 467-471

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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