| 摘要 |
The invention relates to a novel iron complex bearing a cyclic amine as ligand; and a process for the production of polymers by polymerizing a radical-polymerizable monomer in the presence of the iron complex and a radical generator. The invention aims at providing a process by which a polymer having a chemically convertible functional group at the end can be produced from a radical-polymerizable monomer and which permits the production of a block copolymer and a process for recovering, after polymerization, an iron complex into a solvent at a high recovery ratio. The aim can be solved by providing a novel iron complex, a process for producing a polymer in the presence of a radical polymerization initiator by using the iron complex as the polymerization catalyst, a process for the production of a block copolymer which is subsequent to the polymerization for producing the above polymer, and a process for recovering the iron complex easily and simply. The invention provides an iron complex useful in producing a polymer by polymerizing a radical-polymerizable monomer; and a process for the production of polymers with the iron catalyst.
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