| 摘要 |
PURPOSE:A reactive polymer useful as a resist having high resolving power, etc., which is a reactive polymer containing a specific monomer unit, and causes extremely easily a crosslinking reaction by irradiation with ionizing radiation. CONSTITUTION:A hydrogen halide is brought into contact with a solution of a vinyl group-containing polymer obtained by copolymerizing divinylbenzene with a polymerizable vinyl group-containing monomer, to give a reactive polymer containing a monomer unit shown by the formula (X is halogen). Preferably the polymerization reaction is carried out usually at 5-100% monomer concentration and at a molar ratio of divinylbenzene to the whole monomer of 0.02-0.50.
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