Tribological performance and lubrication mechanism of new gemini quaternary phosphonium ionic liquid lubricants
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2020.114522
Abstract: Abstract This paper presents the synthesis and characterization of two types of halogen-free ionic liquids (ILs) that incorporate long-chain phosphate, diisooctyl phosphate (EDHPA), and dibutyl phosphate (DBHPA) as the anions, and the gemini quaternary phosphonium… read more here.
Keywords: microscopy; quaternary phosphonium; gemini quaternary; spectroscopy ... See more keywords
Green Synthesis, Surface Activity, Micellar Aggregation, and Corrosion Inhibition Properties of New Gemini Quaternary Ammonium Surfactants
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Chemical & Engineering Data"
DOI: 10.1021/acs.jced.7b00911
Abstract: A new series of gemini quaternary ammonium surfactants containing amide groups with the formula CnH2n+1CONH(CH2)2N+(CH3)2(CH2)2 N+(CH3)2(CH2)2NHCOCnH2n+1·2CH3CO3– (n = 11, 13, 15, 17) have been synthesized by the using green reagent dimethyl carbonate. The structures of… read more here.
Keywords: aggregation; ammonium surfactants; surface; gemini quaternary ... See more keywords
Gemini quaternary ammonium salt waterborne biodegradable polyurethanes with antibacterial and biocompatible properties
Sign Up to like & getrecommendations! Published in 2017 at "Materials Chemistry Frontiers"
DOI: 10.1039/c6qm00039h
Abstract: In this study, a series of waterborne biodegradable polyurethanes with antibacterial and biocompatible properties were developed. To obtain these polyurethanes, lysine-derivative gemini quaternary ammonium salt (GQAS) chain extenders with different hydrophobic alkyl chain lengths (named… read more here.
Keywords: biodegradable polyurethanes; gemini quaternary; polyurethanes antibacterial; waterborne biodegradable ... See more keywords
The surface adsorption, aggregate structure and antibacterial activity of Gemini quaternary ammonium surfactants with carboxylic counterions
Sign Up to like & getrecommendations! Published in 2019 at "Royal Society Open Science"
DOI: 10.1098/rsos.190378
Abstract: A group of Gemini quaternary ammonium surfactants with the formula CnH2n+1CONH(CH2)2N+(CH3)2(CH2)2N+(CH3)2(CH2)2 NHCOCnH2n+1 · 2Y (n = 11, 13 and 15, Y = HCOO−, CH3COO− and CH3CHOHCOO−) have been synthesized by a counterion conversion process and… read more here.
Keywords: carboxylic counterions; gemini quaternary; antibacterial activity; quaternary ammonium ... See more keywords