3- propanesulfonates structure

Chemical Name 3-(Acetylamino)-l-propanesulfonic, calsium salt (2 1) Common Name Acamprosate N-Acetylhomotaurine Structural Formula ... 

Fig. 2 Response of various PECs (first polyelectrolytes in initial solutions) to subsequent addition of salt a particle mass Mw b particle radius am (corrected for polydispersity, obeying the relation Mw=(4/r/3) p am3), c structure density p 1( ) - NaPSS/PDADMAC, X=0.3, 2(0) - NaPSS/PDADMAC, X=0.6, 3(B) - DADMAC-acrylamide copolymer (47 mol% DADMAC)/NaPMA X=0.6, 4(V) - DHP2 (block copolymer of poly(2-acry-lamido-2-methyl-1-propanesulfonic acid) and poly(ethylene glycol), PEG block length 10 kda)/PDADMAC, X=0.6,1-4 addition of NaCl, 5(A) - DADMAC-acrylamide copolymer (47 mol% DADMAC)/Na-PMA, X=0.6, addition of CaCl2...

Figure 3 shows some polymer structures of other sulfonic-acid-based materials and Fig. 4 shows the conductivity of propanesulfonated polybenzimidazole, showing the strong decrease in conductivity of PFSA above 80 °C and the much more thermally stable PBI derivative. 

Typical polymeric pseudostationary phases include micelle polymers, polymeric surfactants, water-soluble anionic siloxanes and dendrimers [223-231]. Micelle polymers [e.g. poly(sodium 10-undecylenate), poly (sodium 10-undecenylsulfate), poly(sodium undeconylvalinate), etc.] are synthesized from polymerizable surfactant monomers at a concentration above their critical micelle concentration. These polymers have similar structures to micelles without the dynamic nature of the micelle structure. Polymeric surfactants are polymers with surfactant properties [e.g. acrylate copolymers, such as 2-acrylamide-2-methyl-l-propanesulfonic acid and alkyl methacrylamide, alkyl methacrylate or alkyl acrylate, poly (ally lamine)-supported phases, poly(ethyleneimine), etc]. Water-soluble anionic siloxane polymers are copolymers of alkylmethylsiloxane... 

The channel-type structure is formed with a variety of guest molecules. Generally, anionic guests, such as, acetate [91], 1-propanesulfonate [92], benzenesulfo-nate [93], y-aminobutyrate [94], and Methyl Orange [95] 14 are preferentially included in positively charged cylindrical channels. In contrast, metal cations are... 

Figure 2.5 Structures of poIy(aniIine-co-N-propanesulfonic acid-aniline) (A) and its sodium salt (B) (Reprinted with permission from Journal of the American Chemical Society, 116, 7939. Copyright (1994) American Chemical Society.)...

Collard et al. [57] reported the self-assembly of monomers, potassium 3-(3-alkylpyrrol-l-yl)propanesulfonates (Figure 5.14), and their subsequent electrochemical synthesis on gold electrodes to form lamellar structures of substituted polypyrrole. The fact that 3-(3-alkylpyrrol-l-yl)propanesulfonates possess amphiphilic character by virtue of the hydrophobic alkyl chain and hydrophilic ionic sulfonate head group, was used to form micellar solutions above critical concentrations. A... 

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