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Anionic ring‐opening polymerization of cyclodisilazanes, 2. Influence of additives on the kinetics of polymerization by Stéphane Bruzaud; Anne‐Françoise Mingotaud; Alain Soum is a Materials Science article available to read on EtoBox.

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## Abstract The kinetics of the anionic ring‐opening polymerization of the DD~NMe~ cyclodisilazane, initiated by benzyllithium, has been investigated in different experimental conditions. In non‐polar solvents, the active centers are aggregated ion pairs which are in equilibrium with a small amount of monomeric species. In the presence of additives such as THF, dioxane or tetramethyl‐ethylenediamine, there is only one type of active center. The aggregates are dissociated into light ion pairs externally solvated by the additive. The paper demonstrates also that the kinetics of the polymerization (i.e., rate constant of propagation __k__~p~) is a function of both the nature and the amount of additives.

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Author

Stéphane Bruzaud; Anne‐Françoise Mingotaud; Alain Soum

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1022-1352)

Published

1997

Language

EN

Field

Materials Science (Physical Sciences)