✦ LIBER ✦

Penultimate Propagation Kinetics of Butyl Methacrylate, Butyl Acrylate, and Styrene Terpolymerization

✍ Scribed by Deheng Li; Robin A. Hutchinson

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 146 KB
Volume: 28
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.200700149

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✦ Synopsis

Abstract

The pulsed‐laser polymerization technique is used to determine the composition‐averaged free‐radical propagation rate coefficient (k~p,ter~) for terpolymerization of butyl methacrylate, butyl acrylate, and styrene between 60 and 120 °C. A significant deviation from terminal model predictions is observed for the ternary system, indicating that penultimate kinetics are important at these industrially relevant temperatures. The implicit penultimate propagation model, with all the coefficients taken from previous studies of the binary systems, provides a good prediction of the experimental k~p,ter~ results.

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