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首页> 外文会议>Fifth International Conference on Ion Exchange Processes held on 5-9 July 1998 at Plas Coch College, The North East Wales Institute, Wrexham, UK >Properties of phosphoric acid resins derived from poly(glycidyl methacrylate)s crosslinked with dimethacrylates of oligo(ethylene glycol)s
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Properties of phosphoric acid resins derived from poly(glycidyl methacrylate)s crosslinked with dimethacrylates of oligo(ethylene glycol)s

机译：聚（甲基丙烯酸缩水甘油酯）与低聚（乙二醇）二甲基丙烯酸酯交联的磷酸树脂的性能

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Recently, we have reported properties of phosphoric acid resins (RGP), which were prepared by addition of phosphoric acid to epoxy groups in macroreticular poly(glycidyl methacrylate)s crosslinked with divinylbenzene.~(1,2) These resins have larger acid capacities compared with phosphoric acid resins so far reported.~(3-9) For example, even the RGP crosslinked with 10 nominal molpercent of divinylbenzene has an acid capacity as large as 7 meq/g. Furthermore, the metal ion selectivity of RGP is quite different from that of conventional cation exchange resins having sulfonic acid groups. For instance, RGP exhibits extremely high selectivity toward Fe(III), U(VI), and Ti(IV) even in strongly acidic media (1 - 6 M of mineral acids), which is not observed in the case of the sulfonic acid resins.~(1,2)
机译：最近，我们报道了磷酸树脂（RGP）的性能，该树脂是通过在与二乙烯基苯交联的大网状聚甲基丙烯酸缩水甘油酯中的环氧基上添加磷酸而制得的。〜（1,2） （3-9）例如，即使与10标称摩尔二乙烯基苯交联的RGP的酸容量也高达7 meq / g。此外，RGP的金属离子选择性与具有磺酸基的常规阳离子交换树脂完全不同。例如，即使在强酸性介质（1-6 M的无机酸）中，RGP对Fe（III），U（VI）和Ti（IV）表现出极高的选择性，而在磺酸中则未观察到树脂。〜（1,2）

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