Free-radical dispersion polymerization of methyl methacrylate in supercritical carbon dioxide: A parametric analysis with reaction calorimetry

被引：10

作者：

Mantelis, Charalampos A. ^{[1
]}

Barbey, Raphaeel ^{[1
]}

Fortini, Sophie ^{[1
]}

Meyer, Thierry ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, EPFL ISIC GPM, Grp Procedes Macromol, CH-1015 Lausanne, Switzerland

来源：

MACROMOLECULAR REACTION ENGINEERING | 2007年 / 1卷 / 01期

关键词：

calorimetry; carbon dioxide; methyl methacrylate; polymerization; supercritical;

D O I：

10.1002/mren.200600011

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In an attempt to reduce the emission of hazardous VOCs, SCFs have been intensively investigated as alternative solvents during the last two decades. In this study, the application of reaction calorimetry, an efficient tool to obtain kinetic and safety data, is presented on the free radical dispersion polymerization of MMA in scCO(2). The effect of three major parameters with respect to the reaction evolution are studied, namely of stirrer type and stirring speed, the monomer and CO2 concentration and the stabilizer concentration. The effective formation of the dispersion as well as the balance between the polymer formed in the continuous phase or inside the particles are key features of this analysis.

引用

页码：78 / 85

页数：8

共 17 条

[1]

Barrett KEJ, 1975, DISPERSION POLYM ORG

[2] Impact of "free" monomer concentration on the phase behavior of supercritical carbon dioxide-polymer mixtures [J].