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Eine neue methode zur ermittlung kinetischer und kalorischer daten einer radikalischen copolymerisation durch differentialthermoanalyse

✍ Scribed by Fink, Johannes Karl

Book ID: 102481052
Publisher: Wiley (John Wiley & Sons)
Year: 1981
Weight: 397 KB
Volume: 182
Category: Article
ISSN: 0025-116X
DOI: 10.1002/macp.1981.021820721

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✦ Synopsis

Abstract

The heats of copolymerization of styrene and methyl methacrylate were measured by means of differential thermal analysis (DTA). Extrapolating the DTA curves to time zero, monomer reactivities and the ratio of the rate constants of termination can be obtained by a new method of evaluation. Calibration is not necessary for this procedure. With calibration, however, the rates and the heats of polymerization can also be measured. The data agree well with those reported in the literature.

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✍ Fink, Johannes Karl 📂 Article 📅 1981 🏛 Wiley (John Wiley & Sons) ⚖ 141 KB

## Abstract The monomer reactivity ratios and the ratio of the rate constants of termination in the 2‐hydroxyethyl methacrylate/methyl methacrylate system were measured by differential thermal analysis. The data for the monomer reactivity ratios agree well with data calculated from the __Q__‐__e__