Results 101 to 110 of about 6,875 (165)
The Role of TRPV1 Channel in Cosmetic Safety Evaluation. [PDF]
ACS OmegaZhang C, Zhou Y, Wang X, Wang F.
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Role of Surfactant Micelles on the Degradation of Reactive Azo Dyes from Dyeing Effluents by the Fenton Advanced Oxidation Process. [PDF]
ACS OmegaMorshed AMA +5 more
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Development of a Predictive Classification Model for Surfactant-Induced Skin Irritation. [PDF]
ACS OmegaLechuga M +4 more
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Nonionic Fluorosilicone Surfactants
Journal of Colloid and Interface Science, 1993Abstract New fluorosilicone surfactants have been prepared. The focus has been on branched disiloxane and trisiloxane hydrophobes having 3,3,3-trifluoropropyl and 3,3,4,4,5,5,6,6,6-nonafluorohexyl radicals with poly(oxyethylene) hydrophiles. Their performance as aqueous surfactants was evaluated and compared to conventional methylsiloxane surfactants
Hideki Kobayashi, Michael J. Owen
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Nonionic surfactants from fluoroalkenes
Journal of Fluorine Chemistry, 1985Abstract Perfluorinated alkenes obtained by degradation of PTFE [1] are easily attacked by nucleophiles. The reaction with poly(oxyethylenes) yields nonionic fluorosurfactants [2]: The F-nonionics I (RH) were transformed into the corresponding sulfates by sulfatation with chlorosulfonic acid.
Jürgen Schulze, Dietrich Prescher
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Nonionic Surfactants: An Overview
Tenside Surfactants Detergents, 2010Abstract Nonionic surfactants do not produce ions in aqueous solution. As a consequence, they are compatible with other types of surfactants and are excellent candidates to enter complex mixtures, as found in many commercial products. Nonionic surfactants are found today in a large variety of domestic and industrial products, such as ...
D. Bajpai, V. K. Tyagi
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Journal of the American Oil Chemists' Society, 1978
AbstractOver one billion pounds of nonionic surface‐active agents are produced per year in the U.S. alone. The oxyethylene derivatives of alcohols and alkylphenols account for 71% of this production. Methods of making these surfactants, along with descriptions of their properties and main uses in various detergents, are described.
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AbstractOver one billion pounds of nonionic surface‐active agents are produced per year in the U.S. alone. The oxyethylene derivatives of alcohols and alkylphenols account for 71% of this production. Methods of making these surfactants, along with descriptions of their properties and main uses in various detergents, are described.
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2017
Distribution of the polyoxyethylene chain polyoxyethylene alkylphenols polyoxyethylene alcohols polyoxyethylene esters of fatty acids polyoxyethylene mercaptans polyoxyethylene alkylmines nonionic surfactants containing an amide group polyol ester surfactants nonionics as intermediate for ionic surfactants.
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Distribution of the polyoxyethylene chain polyoxyethylene alkylphenols polyoxyethylene alcohols polyoxyethylene esters of fatty acids polyoxyethylene mercaptans polyoxyethylene alkylmines nonionic surfactants containing an amide group polyol ester surfactants nonionics as intermediate for ionic surfactants.
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Novel nonionic siloxane surfactants
Applied Organometallic Chemistry, 1992AbstractA new method for ethoxylation without application of pressure is described. Butynediololigo(oxyethylene) [H(OCH2CH2)nOCH2CCCH2O(CH2CH2O)nH with n=1–16] has been prepared in the presence of an electrophilic catalyst in a specially developed reciruculating apparatus. The products have been characterized by NMR and IR spectroscopy.New nonionic
R Wersig, G Sonnek, C Niemann
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Clouding of nonionic surfactants
Current Opinion in Colloid & Interface Science, 2016Nonionic surfactants have broad applications such as cleaning and dispersion stabilization, which frequently are hampered by strong temperature sensitivities. As manifested by clouding and decreased solubility with increasing temperature, the interaction between water and the oligo(oxyethylene) head-groups is becoming less favorable.
Lindman, Bjorn +2 more
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