Molecular Weight Distribution of Polymers Produced by Anionic Polymerization Enables Mixability Evaluation

Published on 2019-01-25T17:10:00Z (GMT) by
In the anionic polymerization of styrene using a flow microreactor, there was a strong correlation between the molecular weight distribution (<i><i>M</i></i><sub>w</sub>/<i><i>M</i></i><sub>n</sub>) of the polymer and the mixing speed. By taking advantage of this relationship, a new type of mixability evaluation was developed using the flow microreactor system. The new method allowed the mixability to be evaluated at 0 °C or a lower temperature with high accuracy. With the ability to be applied for a wider range of reaction conditions, it offers a great advantage over other evaluation procedures such as the Dushman reaction, which requires reaction temperatures to be above 0 °C. The presented method is a promising alternative as a new evaluation technique for mixing efficiency.

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Endo, Yuta; Furusawa, Mai; Shimazaki, Toshiya; Takahashi, Yusuke; Nakahara, Yuichi; Nagaki, Aiichiro (2019): Molecular Weight Distribution of Polymers Produced

by Anionic Polymerization Enables Mixability Evaluation. ACS Publications. Collection.