Amphotere Tenside — durch Alkylierung mit 1.2-Glykolsulfit

Distler, H.; Widder, Rudi

doi:10.1515/tsd-1969-060501

Tenside Surfactants Detergents

1969

DOI: 10.1515/tsd-1969-060501

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Amphotere Tenside — durch Alkylierung mit 1.2-Glykolsulfit

H. Distler¹,

Rudi Widder²

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1985

2023

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Cited by 3 publications

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The synthesis and properties of selected derivatives of oligo‐ and polybetaines

Bielowski

Sosada

1985

Acta Polymerica

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Acta Polyrnerica 36 (1985) Nr. 7 369 spruch zu den hoheren Schmelzpunktbereichen der erstgenannten Reihe. Strukturuntersuchungen wurden noch nicht vorgenommen, so daB die alternierende Anordnung der Monomerbausteine n u r angenommen wird. I m Gegensatz zu KOROSI [17] wurden die reinen, absolut trockenen Amidinsauren bei Temperaturen oberhalb des Schmelzpunktes zu makromolekularen Substanzen umgesetzt. Es bilden sich also nicht unter Wasseraufnahme die entsprechenden Aminosauren, und es wird auch kein Wasser abgespalten.Fur d e n Reaktionsablauf erscheint eine intermolekulare Reaktion zwischen der Carboxylgruppe m i t einer Amidingruppe a m wahrscheinlichsten, die bei den niederen Amidinsauren vorzugsweise intramolekular ablaufen diirfte. ,I Cf -NH( CHZ) .COO-C+-NH( CHZ).COO---> -[IUH (CHZ) 4:s -CO -NH -(CHz) -CO) 2-Die Bildung alternierender Copolyamide ist nach bilden nur mit n 2 5 Polymere, Caproamidinsauren bereits mit n 2 3. Reihe der Valeroamidinsauren. Die Autoren danken Fraulein ZONEWA fur Ergebnisse in der 4* Acta Polymerica 36 (1985) Nr. 7 370 BIELOWSKI and SOSADA: The synthesis and properties of selected derivatives of oligo-and polybetaines

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The synthesis and properties of selected derivatives of oligo‐ and polybetaines

Bielowski

Sosada

1985

Acta Polymerica

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Synthèse et structure des sulfites cycliques d'éthylène F-alkylés; précurseurs de nouveaux tensioactifs amphotères fluorés

Benomar

Rouvier

Fayn

et al. 1996

Journal of Fluorine Chemistry

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Novel cationic surfactants: synthesis, surface, antimicrobial studies and applicability as an extracting agent for interested element from monazite mineral concentrate

Abdel-Salam

Abdellah

Taher

et al. 2023

Tenside Surfactants Detergents

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Two novel cationic surfactants based on palmitic acid were prepared to extract uranium from its fluids. The chemical structures of the surfactants prepared were confirmed spectroscopically. The surface activity of these surfactants was evaluated by measuring their surface tension. The cationic surfactants prepared were also tested for their biological activity against Gram-positive and Gram-negative bacteria and fungi. Subsequently, an attempt was made to use these surfactants to remove uranium from the hydrous oxide cake produced after the alkaline degradation of monazite mineral concentrate. To achieve this goal, several experiments were conducted to determine the optimal conditions for uranium extraction and stripping. Under these optimal conditions, the experimental capacity fitted the pseudo-second order kinetic model. Under the investigated optimal stripping factors of 1 M NaCl, acidified with 0.2 M conc. H2SO4, an A:O ratio of 1:1 and a contact time of 15 min, an uranium stripping efficiency of 83% was obtained for the case study. After the complete stripping process, the marketable uranium concentrate was percipitated using hydrogen peroxide as UO4 H2O with an uranium content of approximately 76%, which was chemically determined and confirmed by EDAX analysis.

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Amphotere Tenside — durch Alkylierung mit 1.2-Glykolsulfit

Cited by 3 publications

References 0 publications

The synthesis and properties of selected derivatives of oligo‐ and polybetaines

The synthesis and properties of selected derivatives of oligo‐ and polybetaines

Synthèse et structure des sulfites cycliques d'éthylène F-alkylés; précurseurs de nouveaux tensioactifs amphotères fluorés

Novel cationic surfactants: synthesis, surface, antimicrobial studies and applicability as an extracting agent for interested element from monazite mineral concentrate

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