| 摘要 |
A plug flow reactor having an inner shell (27) surrounded by outer shell (21) and having at least one annular flow passage (35) therebetween can be used to prepare compositions, including polymers. The plug flow reactor also includes inlet port (36), an outlet port (37) and a plurality of exchanger tubes (26) wherein the exchanger tubes are in fluid communication to the at least one annular flow passage. Polystyrene and high impact polystyrene can be prepared using the reactor.
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