On-line monitoring and control of the solution polymerization of n-butyl acrylate in dioxane by Raman spectroscopy

H.J.T. van den Brink, A.M. Herk, van, A.L. German

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

During the solution polymerization of n-butyl acrylate in dioxane, the monomer concentration was monitored by on-line Raman spectroscopy. It was shown that it is quite possible to control the monomer to solvent ratio by a feedback monomer addition strategy, when the spectroscopic data is analyzed in real-time. A semi-continuous polymerization which was purposely subjected to disturbances, was controlled without abrupt changes in the monomer to solvent ratio and the monomer flow rate. Further, it was shown that controlling the process leads to more narrow molecular weight distributions.
Original languageEnglish
Pages (from-to)265-275
Number of pages11
JournalProcess Control and Quality
Volume11
Issue number4
DOIs
Publication statusPublished - 1999

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