Issue 35, 2016

A complete kinetic study of a versatile functional monomer: acetoacetoxyethyl methacrylate (AAEMA)

Abstract

The current study reports the complete kinetic analysis of acetoacetoxyethyl methacrylate (AAEMA). The temperature dependent propagation rate coefficient, kp, was accessed by pulsed laser polymerization-size exclusion chromatography (PLP-SEC), affording the following Arrhenius parameters: A = 2.13 × 106 L mol−1 s−1 and Ea = 19.69 kJ mol−1. For the SEC-analysis, the Mark–Houwink–Kuhn–Sakurada (MHKS) parameters of the corresponding polymer were determined (K = 0.0250 mL g−1; α = 0.547) via multiple detection SEC. Furthermore, reactivity ratios for the copolymerization with methyl methacrylate (MMA) at 75 °C in ethyl 3-ethoxypropionate (EEP) were obtained by the Meyer–Lowry method (rMMA = 0.89; rAAEMA = 0.98), supported by a detailed kinetic simulation using the PREDICI simulation package. In addition, copolymerization was carried out at ambient temperature with a bicomponent dibenzoyl peroxide (BPO)/dihydroxyethyl-p-toluidine (DHEPT) initiator system, demonstrating a strong increase of the rate of copolymerization with increasing AAEMA content (i.e. 40% decrease of the gel time by adding 10 mol% of AAEMA).

Graphical abstract: A complete kinetic study of a versatile functional monomer: acetoacetoxyethyl methacrylate (AAEMA)

Supplementary files

Article information

Article type
Paper
Submitted
27 Jun 2016
Accepted
29 Jul 2016
First published
01 Aug 2016

Polym. Chem., 2016,7, 5518-5525

A complete kinetic study of a versatile functional monomer: acetoacetoxyethyl methacrylate (AAEMA)

A. Zoller, K. B. Kockler, M. Rollet, C. Lefay, D. Gigmes, C. Barner-Kowollik and Y. Guillaneuf, Polym. Chem., 2016, 7, 5518 DOI: 10.1039/C6PY01115B

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