By Andrew B. Lowe, Charles L. McCormick
This booklet goals to focus on sleek equipment on the subject of the synthesis and aqueous answer habit of ion-containing (co)polymers together with either polyelectrolytes and polyzwitterions. From an artificial point of view, emphasis is put on tools for getting ready those fabrics in a managed model, i.e. with pre-determined molecular weights, compositions, and slender molecular weight distributions. recommendations together with atom move radical polymerization, reversible addition-fragmentation chain move polymerization and ring-opening metathesis polymerization are mentioned. also, we spotlight the guidance of excessive molecular weight amphiphilic polyelectrolytes. The aqueous resolution homes of either polyelectrolytes and polyzwitterions are likewise mentioned. Emphasis is put on these positive aspects distinctive to specific polymer sessions akin to the anti-polyelectrolyte impact exhibited by way of polymeric betaines. eventually sure purposes for those ion-containing polymers are highlighted.
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Extra info for Polyelectrolytes and Polyzwitterions. Synthesis, Properties, and Applications
Springer-Verlag: Berlin, 1994, pp 33. 2. Stimuli-Responsive Water Soluble and Amphiphilic Polymers; McCormick, C. ; A C S Symposium Series 780, American Chemical Society: Washington, D C , 2001. ; ACS Symposium Series; American Chemical Society: Washington, DC, 2006. ch002 43 3. ; Eisenberg, A . Macromolecules 1991, 24, 5779. 4. ; Nozakura, S. J. Polym. , Polym. Chem. Ed. 1982, 20, 299. 5. ; Matyjaszewski, K . J. Am. Chem. Soc. 1995, 117, 5614. 6. ; Chong, Y. K . ; Le, T. P. ; Mayadunne, R. T.
Chemical Modification. Strauss and Jackson (12) were the first to synthesize "polysoaps" by quaternization of poly(2-vinylpyridine) with «-dodecyl bromide (Chart 6), and they demonstrated that the polymer adopted a compact conformation due to aggregation of the long aliphatic side chains in water. Amphiphilic polyelectrolytes based on polyssacharides have been synthesized by polymer reaction. In Chart 6 are presented some of the examples of anionic and cationic celluloses modified with hydrophobic molecules.
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