Macromolecular engineering by anionic methods

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Abstract

The contribution of anionic “living” polymerization techniques to macromolecular engineering has been decisive. The synthesis of well defined polymers of known structure, of low compositional heterogeneity, and of narrow molecular weight distribution are the major applications of anionic processes involving neither transfer nor spontaneous termination. It is necessary, however, to be aware of the limitations of these powerful methods, to avoid misgivings. If adequate systems are selected, and proper experimental conditions are chosen, a large variety of model macromolecules can be obtained anionically in good yields. Accurate characterization of these polymers is necessary to check for the efficiency of these methods.