| 摘要 |
PROBLEM TO BE SOLVED: To prepare a crosslinked copolymer particle which is useful for a solid-phase extracting adsorbent excellent in recovery and good in workability, and to provide a process for preparing the same. SOLUTION: The process for preparing the crosslinked copolymer particle comprises an aqueous suspension polymerization of 20-70 pts.wt. of (a) a monomer expressed by formula (I) (wherein, R1 through R8 are each independently hydrogen atom, a 1-20C alkyl group, hydroxyl group, or a halogen atom) and 30-80 pts.wt. of (b) a polyhydric alcohol poly(meth) acrylate.
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