| 摘要 |
<p>An anion-exchange resin made of a crosslinked copolymer which comprises repeating units of the general formula (2) as the main constituent with the content of the constituent of the formula (1) in the copolymer being less than 0.5 wt.% [In the general formula (2), A is C3-8 alkylene; R1, R2 and R3 are each independently hydrogen, alkyl having 4 or fewer carbon atoms, or alkanol having 4 or fewer carbon atoms; and X is a counter anion coordinating to the ammonium group, with the proviso that all of R1, R2 and R3 must not be hydrogen.]</p> |
