奧源201* 7陰離子交換樹脂
陰離(li)(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)(huan)樹(shu)(shu)(shu)脂是(shi)在分子(zi)(zi)(zi)(zi)中(zhong)含(han)有(you)堿(jian)(jian)(jian)(jian)性基團(tuan)的離(li)(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)(huan)樹(shu)(shu)(shu)脂。在水(shui)(shui)或極性溶劑中(zhong)能溶脹,在水(shui)(shui)中(zhong)具有(you)堿(jian)(jian)(jian)(jian)性,能以其氫氧(yang)(yang)根(gen)離(li)(li)(li)子(zi)(zi)(zi)(zi)或非金(jin)屬離(li)(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)(huan)溶液中(zhong)的陰離(li)(li)(li)子(zi)(zi)(zi)(zi)。含(han)有(you)氫氧(yang)(yang)根(gen)離(li)(li)(li)子(zi)(zi)(zi)(zi)的樹(shu)(shu)(shu)脂,根(gen)據電離(li)(li)(li)常數的大小(xiao),可分為強堿(jian)(jian)(jian)(jian)性、中(zhong)等堿(jian)(jian)(jian)(jian)性和弱堿(jian)(jian)(jian)(jian)性三類。強堿(jian)(jian)(jian)(jian)性陰離(li)(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)(huan)樹(shu)(shu)(shu)脂,主要是(shi)分子(zi)(zi)(zi)(zi)中(zhong)含(han)有(you)季銨基-N(CH?)3OH的樹(shu)(shu)(shu)脂。弱堿(jian)(jian)(jian)(jian)性陰離(li)(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)(huan)樹(shu)(shu)(shu)脂,有(you)間苯二胺(an)-甲醛樹(shu)(shu)(shu)脂、三聚氰胺(an)-胍·甲醛樹(shu)(shu)(shu)脂等。
