| 摘要 |
<p>The present invention relates to a process for devolatilization of a polymer of an aromatic alkylene, such as styrene, and in particular, to an improved process using water as a stripping agent (i) in which the total amount of water to be disposed of can be reduced, (ii) which allows at least a portion of the water to be recycled as stripping agent, reducing make-up requirements for the stripping agent, and (iii) which allows at least a portion of the aromatic alkylene monomer in the water to be recycled to the polymerisation process (via the devolatilization steps) rather than disposed of</p> |
