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The association behavior of the terpolymers of sodium 2-acrylamido-2-methylpropanesulfonate (NaAMPS), N-dodecylmethacrylamide (DodMAm), and N-(2-(perfluorooctyl)ethyl)methacrylamide (PFOEMAm) (A/H(x)/F(y)) and their reference copolymers of NaAMPS and PFOEMAm (A/F(y)) was characterized using 19 F and 1 H NMR, steady state fluorescence, and dynamic light scattering techniques in water...
A series of block copolymers composed of a fixed length of an (ar-vinylbenzyl)trimethylammonium chloride (Q) block (the number average degree of polymerization of the Q block, DP n,Q =57) and varying lengths of an N,N-dimethylvinylbenzylamine (A) block (the number average degrees of polymerization of the A blocks, DP n,A , ranging 11–50) were prepared by reversible addition-fragmentation...
Association properties of hydrophobically modified water-soluble polymers bearing the same (or similar) hydrophobic and charged groups at different relative positions (with respect to the polymer main chain) were compared. Two types of surfactant monomers (surfmers) were synthesized; a cationic surfactant was linked to the p-position of styrene at the surfactant charged head (dimethyldodecyl-4-vinylbenzylammonium...
The dissociation of multipolymer aggregates of a cholesterol-bearing polyanion by surfactant micelles in water and the formation of polymer-micelle complexes were investigated using fluorescence techniques. Interchain aggregates of cholesterol residues in a random terpolymer of sodium 2-(acrylamido)-2-methylpropanesulfonate (94mol%), cholesteryl 6-methacryloyloxyhexanoate (5mol%), and N-(1-pyrenylmethyl)methacrylamide...
The micelle formation of random copolymers of sodium acrylate (NaAA) and a methacrylate substituted with HO(CH 2 CH 2 O) m C 12 H 25 (C 12 E m ) where m=2, 6 or 25 (DEmMA) in 0.1M NaCl aqueous solutions at pH=10 was investigated in comparison with that of random copolymers of sodium 2-(acrylamido)-2-methylpropanesulfonate (NaAMPS)...
A commercial poly(acrylic acid) (PAA, M v = 150 000) has been labelled with low levels (0.4 to 3.1 mol%) of either pyrene, naphthalene or both chromophores introduced randomly along the chain. The photophysical properties of the polymers have been investigated by steady-state and time-resolved fluorescence spectroscopy. The pH-behaviour of the polymers has been examined by non-radiative...
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