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Variation of the propagation rate coefficient with pressure and temperature in the free-radical bulk polymerization of styrene

✍ Scribed by Michael Buback; Frank-Dieter Kuchta


Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
530 KB
Volume
196
Category
Article
ISSN
1022-1352

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✦ Synopsis


Abstract

The propagation rate coefficient K~p~ of the free‐radical bulk polymerization of styrene is determined between 30 and 90Β°C up to a maximum pressure of 2800 bar. The data from pulsedlaser polymerizations and product analyses by gel‐permeation chromatography (PLP‐GPC) are adequately represented by the expression:

The conseaquences of deducing activation volumes and activation energies from k~p~/(L Β· mol^βˆ’1^ Β· s^βˆ’1^) or from__k__*~p~/(kg Β· mol^‐1^ Β·. S^βˆ’1^) are outlined.


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