Surfactants macromolecules

Chrambach, A Rodbard, D, Polyacrylamide Gel Electrophoresis, Science 172, 440, 1971. Chu, B Yeh, F Sokolov, EL Starodoubtsev, SG Khokhlov, AR, Interaction of Slightly Cross-linked Gels of Poly(diallyldimethylammonium chloride) with Surfactants, Macromolecules 28, 8447, 1995. 

One may assume that slow conformational transformations in the surfactant macromolecules may affect considerably the adsorption-desorption equilibria at the surface of the semiconductor particles under consideration and thus affect the course of redox processes generated by these particles under the action of light. We present below an attempt in a semiquantitative description of the observed processes. 

Canilho N, Scholl M, Klok H et al (2007) Thermotropic ionic liquid crystals via self-assembly of cationic hyperbranched polypeptides and anionic surfactants. Macromolecules 40 8374-8383... 

The type of emulsion stabilized by polymeric surfactants, charged or uncharged, was not investigated in detail, although it has long been understood that it was dependent of the structure of the surfactant macromolecules. In a series of papers, Riess and his coworkers [143-145] have investigated the effect of the composition and architecture of PS-PEO-based block copolymers (PS polystyrene PEO polyethylene oxide) on stability and emul-... 

Lee CT Jr., Smith KA, Hatton TA. 2004. Photoreversible viscosity changes and gelation in mixtures of hydrophobically modified polyelectrolytes and photosensitive surfactants. Macromolecules 37 5397 5405. 

S. Siripurapu, et al, Controlled foaming of polymer films through restricted surface diffusion and the addition of nanosilica particles or C02-phihc surfactants. Macromolecules 38 (6) (2005) 2271-2280. 

The FRRPP process also involves related polymeric materials to the multifunctional multipolymeric surfactants, which are produced in the same mixture with the surfactant normally these related macromolecules have slightly deviated chemical features and/or compositions compared to the surfactant macromolecules in such a way that the whole mixture would be compatible in water. 

Figure 5.2.4 shows a network surface structure of a VA/AA-based emulsion with 6.6 wt% soiids. The repeat unit in the network structure is between 5 and 10 jtm. The formation of the network or bicontinuous surfactant structure is well established in relatively high molecular weight ethylene oxide/propylene oxide segmented block copolymer nonionic surfactants, and it has been ascribed to the formation of liquid crystalline macromolecular assemblies. Upon dilution, the emulsion showed 5-10 ttm spherical domains that could form aggregates up to about 60p.m in size (Fig. 4.4.5). In Fig. 5.2.5, bubble surfaces are shown with the network surfactant structure, even in the diluted emulsion. Apparently, the surfactant macromolecules tend to concentrate on bubble surfaces and form a more viscous and probably elastic polymer surface layer. 

Nystrom B, Lindman B. Dynamic and viscoelastic properties during the thermal gelation process of a nonionic ceUulose ether dissolved in water in the presence of ionic surfactants. Macromolecules 1995 28 967-974. 

Tanaka R, Meadows J, Williams PA, Phillips GO. Interaction of hydrophobically modified (hydroxyethyl) cellulose with various added surfactants. Macromolecules 1992 25 1304-1310. 

Gohy JF, Mores S, Varshney SK, Jerome R (2003) Self-organization of water-soluble complexes of a poly(2-vinylpyridinium)-block-poly(ethylene oxide) diblock with fluorinated anionic surfactants. Macromolecules 36 2579-2581. doi 10.1021/ma025665v... 

Oikonomou EK, Bokias G, Iliopoulos I, Kallitsis JK (2013) Sequential association of anionic/ thermosensitive diblock copolymers with cationic surfactants. Macromolecules 46 1082-1092. doi 10.1021/ma302535k... 

Jang, B.N. Wang, D. Wilkie, C.A. The relationship between the solubility parameter of polymers and the clay-dispersion in polymer-clay nanocomposites and the role of the surfactant. Macromolecules 2005, 38, 6533-6543. 

FAE Faes, H., De Schryver, F.C., Sein, A., Bijma, K., Kevelam, J., and Engberts, J.B.F., Study of self-associating amphiphiUc copolymers and their interaction with surfactants. Macromolecules, 29, 3875, 1996. 

Kjoniksen, A.-L. Nystrom, B. Lindman, B. (1998) Dynamic Viscoelasticity of Gelling and Nongelling Aqueous Mixtures of Ethyl(hydroxyethyl)cellulose and an Ionic Surfactant, Macromolecules, Vol.31(6), 1852-1858. 

Chang K, Macosko CW, Morse DC (2007) Ultralow interfacial tensions ofpolymer lymer interfaces with diblock copolymer surfactants. Macromolecules 40 3819-3830... 

DA Canelas, DE Betts, JM DeSimone. Dispersion polymerizations of styrene in supercritical carbon dioxide importance of effective surfactants. Macromolecules 29 2818-2821, 1996. 

Ydens I, Rutot D, Degee P, Six J-L, Dellacherie E, Dubois P. Controlled synthesis of poly(e-caprolactone)-grafted dextran copoly mers as potential environmentally friendly surfactants. Macromolecules 2000 33(18) 6713-21. 

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