the head groups by a spacer group which can be hydrophilic The adsorption on silica of four alkanediyl-a,v-bis(dodecyldior hydrophobic, flexible or rigid (1-3). They constitute a methylammonium bromide) dimeric surfactants with the alkanenew class of surfactants that is arousing considerable interes
Adsorption and Association in Aqueous Solutions of Dissymmetric Gemini Surfactant
✍ Scribed by Maja Sikirić; Ines Primožič; Nada Filipović-Vinceković
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 167 KB
- Volume
- 250
- Category
- Article
- ISSN
- 0021-9797
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Dimeric (gemini) surfactants are made up of two amphiphilic moieties connected at the level of, or very close to, the head groups by a spacer group of varying nature: hydrophilic or hydrophobic, rigid or flexible. These surfactants represent a new class of surfactants that is finding its way into su
The physical interactions occurring between members of the N,N -bis (dimethyldodecyl)-α,ω-alkanediammonium dibromide (m-s-m, m = 12, s = 3 and 6) series of gemini surfactants and the neutral polymers polyethylene oxide (PEO) and polypropylene oxide (PPO), and triblock copolymers of polyethylene oxid
## Abstract Raman studies are reported of conformational change in an alkyl polyoxyethylene non‐ionic surfactant associated with coordination to alkali and alkaline earth metal cations. This surfactant has a simpler mix of conformers (with TTT relatively unimportant) compared with non‐ionic surfact