| 摘要 |
NEW MATERIAL:A compound expressed by formula I [R1 is H, 1-17C alkyl or 6-8C aryl; R2 and R3 are H or 1-3C alkyl; X<-> is halide ion, hydroxide ion, 1/2(sulfate ion), nitrate ion or RCOO<-> (R is 1-3C alkyl)]. EXAMPLE:A compound expressed by formula II. USE:A crosslinking agent having strong basicity (imidazolium base), readily copolymerizable and capable of giving a polymer by radical polymerization by itself or with another monomer and readily producing ion exchange resins (membranes) having high ion exchange capacity particularly when using a vinyl monomer having strong basicity as another monomer. PREPARATION:A 1-vinylimidazole expressed by formula II is reacted with a xylylene dihalide, preferably p-isomer in a solvent, e.g. methanol, etc., at 10-120 deg.C for 1-30hr and, as necessary, halogen ions are converted into X<-> to afford the aimed compound expressed by formula I.
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