Rate coefficients for free‐radical polymerization of butyl acrylate to high conversion
抄録
<jats:title>Abstract</jats:title><jats:p>The free‐radical polymerization of butyl acrylate is studied between 25°C and 80°C at pressures up to 2500 bar. The reaction is measured by applying excimer laser techniques in conjunction with time‐resolved high‐pressure near infrared spectroscopy. Rate coefficients of propagation, <jats:italic>k</jats:italic><jats:sub>p</jats:sub>, and termination, <jats:italic>k</jats:italic><jats:sub>t</jats:sub>, are obtained for an extended temperature, pressure, and conversion range. The dependence of <jats:italic>k</jats:italic><jats:sub>t</jats:sub> on conversion is analyzed by means of a kinetic model which considers segmental diffusion, translational diffusion, and reaction diffusion. It turns out that free‐radical termination is essentially determined by reaction diffusion.</jats:p>
収録刊行物
-
- Die Makromolekulare Chemie
-
Die Makromolekulare Chemie 194 (10), 2875-2883, 1993-10
Wiley