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Free-Radical Terpolymerization of Styrene and Two Methacrylates in a Homogeneous Phase Containing Supercritical CO<INF>2</INF>
- Source :
- Industrial & Engineering Chemistry Research; December 2003, Vol. 42 Issue: 25 p6338-6342, 5p
- Publication Year :
- 2003
-
Abstract
- Styrene−methyl methacrylate−glycidyl methacrylate terpolymers to be used as binders in powder coating materials were synthesized in a homogeneous fluid phase containing 20 wt % CO<INF>2</INF>. Reactions carried out at 120 °C and 350 bar yield almost complete monomer conversion. The molecular weights were around 3000 g·mol<SUP>-1</SUP> with a polydispersity index of 1.7. Molecular weight control was achieved by n-dodecyl mercaptan or by a catalytic chain-transfer agent. Simulations of the cumulative and differential copolymer composition are in excellent agreement with experimentally derived values.
Details
- Language :
- English
- ISSN :
- 08885885 and 15205045
- Volume :
- 42
- Issue :
- 25
- Database :
- Supplemental Index
- Journal :
- Industrial & Engineering Chemistry Research
- Publication Type :
- Periodical
- Accession number :
- ejs5477389