A mathematical model of two-phase synthesis

The synthesis of a polymer in solution, where the reaction proceeds both in the solution phase and in the precipitate, has been studied by computer simulation. By varying the conditions of two-phase synthesis one can influence the width of the polymer molecular weight distribution. A narrow-distribu...

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Bibliographic Details
Published in:Polymer science USSR 1989, Vol.31 (3), p.704-710
Main Authors: Pavlova, S.-S.A., Ronova, I.A.
Format: Article
Language:English
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Summary:The synthesis of a polymer in solution, where the reaction proceeds both in the solution phase and in the precipitate, has been studied by computer simulation. By varying the conditions of two-phase synthesis one can influence the width of the polymer molecular weight distribution. A narrow-distribution product is obtained when the polymer growing in the solution phase precipitates as a separate phase as soon as its molar mass exceeds a certain limit, provided the reaction cannot proceed in the precipitate. If however the reaction continues also in the separated phase, the distribution width increases with increasing reaction rate.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(89)90255-4