| 摘要 |
A method for producing poly(p-t-butoxystyrene), which comprise polymerizing p-t-butoxystyrene in a hydrocarbon type reaction solvent in the presence of a polymerization initiator, and, after termination of the polymerization reaction, conducting a separation of the hydrocarbon type reaction solvent layer containing poly(p-t-butoxystyrene) and the water layer in the presence of 1-50 parts by weight of a polar solvent per 100 parts by weight of the hydrocarbon type reaction solvent layer, wherein the separation efficiency, after termination of the polymerization reaction, of the hydrocarbon type reaction solvent layer containing poly(p-t-butoxystyrene) and the water or acidic water layer conspicuously improves.
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