To provide a method for efficiently and smoothly producing a radically polymerized polymer of narrow molecular weight distribution in a short time by radical polymerization of a radically polymerizable monomer, and to provide a microreactor that is manufacturable easily.
The method for producing the radically polymerized polymer comprises the following process: A radical polymerization initiator and a radically polymerizable monomer are introduced into reaction tubes each ≤2 mm in inner diameter with the sectional area enlarged stepwise in the reaction liquid flow direction and a polymerization reaction is conducted in a flow type in a homogeneous liquid state in the reaction tubes. The microreactor includes a jacket through which a temperature-controlling fluid can be made to flow and the plurality of reaction tubes arranged in parallel in the jacket each ≤2 mm in inner diameter with the sectional area enlarged stepwise in the reaction liquid flow direction. In this microreactor, by making the temperature-controlling fluid flow through the jacket, the reaction temperatures in the plurality of reaction tubes can be controlled.
YOSHIDA JUNICHI
HASEBE SHINJI
| JP2002512272A | 2002-04-23 | |||
| JPH08193101A | 1996-07-30 |
| WO2005010055A1 | 2005-02-03 |
Masamichi Tohei