| 摘要 |
There is disclosed a process for purifying a styrene polymer which comprises treating a highly syntiotactic styrene polymer which is produced by using a catalyst composition of (A) an aluminoxane or a specific coordination complex compound and (B) a transition metal compound with a swelling agent (e.g. ethylbenzene) and a deactivating agent (e.g. methanol, ethanol). The process is capable of efficiently purifying the styrene polymer produced by polymerizing a styrene monomer at a high concentration with a high conversion efficiency. Accordingly, the process greatly improves the industrial productivity of highly pure styrene polymer.
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