首页|Effectively improving the extreme-pressure capacity of a class of intercalated zirconium phosphate materials
Effectively improving the extreme-pressure capacity of a class of intercalated zirconium phosphate materials
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We studied different long-chain ammonium ions intercalated zirconium phosphate α-ZrP,methylamine intercalated ZrP(MA-ZrP),tetramethylammonium hydroxide intercalated ZrP(TMAH-ZrP),dodecyltrimethylammonium bromide intercalated ZrP(DTAB-ZrP),and stearyl trimethyl ammonium bromide intercalated ZrP(STAB-ZrP)as grease co-additives in combination with isobutylene sulfide(SIB).The grease with co-additives displayed excellent extreme-pressure and anti-wear performance.Moreover,the combination of the longest chain ammonium ion intercalated zirconium phosphate,STAB-ZrP/SIB,had the best tribological properties.In comparison to α-ZrP,the advantage of STAB-ZrP was that it did not form a large area of the dense physical film like α-ZrP on the worn surface,but rather gave the SIB a chance to contact with the fresh metal surface to generate a chemical film.Therefore,the sub-micron physical film and nanoscale chemical film always exist side by side on the contact surface during the friction process.This intercalated α-ZrP/SIB additive has great potential for use in harsh operating conditions.
Shanxi Key Laboratory of Chemical Product Engineering,College of Chemical Engineering and Technology,Taiyuan University of Technology,Taiyuan 030024,China
School of Chemical and Environmental Engineering,Pingdingshan University Pingdingshan 467000,China
国家自然科学基金国家自然科学基金Fund for Shanxi"1331"ProjectPingdingshan University s Ph.D.Research Startup Fund Project
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