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Gel permeation chromatographic determination of activation rate constants in nitroxide-controlled free radical polymerization, 2. Analysis of evolution of polydispersities

✍ Scribed by Takeshi Fukuda; Atsushi Goto

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 252 KB
Volume: 18
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.1997.030180809

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✦ Synopsis

Abstract

The dissociation rate constant k~d~ of the PS‐TEMPO adduct, where PS is polystyrene and TEMPO is 2,2,6,6‐tetramethylpiperidin‐1‐oxyl, was determined by the gel permeation chromatographic tracing of the evolution of polydispersities at an early stage of styrene polymerization with a model PS‐TEMPO adduct as initiator. The results agree with those obtained by the direct method in Part 1.

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Gel permeation chromatographic determina

Gel permeation chromatographic determination of activation rate constants in nitroxide-controlled free radical polymerization, 1. Direct analysis by peak resolution

✍ Atsushi Goto; Tomoya Terauchi; Takeshi Fukuda; Takeaki Miyamoto 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 394 KB

## Abstract The dissociation rate constant __k__~d~ related to the homolytic cleavage of the CON bond formed between a polystyrene (PS) and 2,2,6,6‐tetramethylpiperidin‐1‐oxyl (TEMPO) is determined by adopting the gel permeation chromatography peak‐resolution method to the styrene polymerization w