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Ion‐pair structure in anionic polymerization. Effect of temperature and association on an allylic lithium compound in two polar solvents
Author(s) -
Bywater Stanley,
E. Black Paul
Publication year - 1994
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.19940850118
Subject(s) - tetrahydrofuran , lithium (medication) , polymerization , anionic addition polymerization , ion , polar , diethyl ether , chemistry , ether , polymer chemistry , materials science , organic chemistry , solvent , polymer , medicine , physics , astronomy , endocrinology
13 C NMR studies are reported on enriched samples of a one‐unit model of the active centres present in butadiene polymerization. Concentrations between 2 × 10 3 M and 1M, and temperatures between −120° and 50° were investigated. The effect of ion‐pair association on charge distributions in diethyl ether solutions is described. The effect of temperature on the overall structure in tetrahydrofuran solutions is discussed.

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