STRONGLY ACIDIC CATION EXCHANGER AND METHOD FOR PRODUCING THE SAME

To provide a strongly acidic cation exchanger that has a large strongly acidic cation exchange capacity and a high molecular weight.SOLUTION: Provided is a strongly acidic cation exchanger, which is a strongly acidic cation exchanger in which a polymer segment having a sulfonic acid group is grafted...

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Bibliographische Detailangaben
Hauptverfasser:	INOUE HIROSHI, TOGO HIDEKAZU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a strongly acidic cation exchanger that has a large strongly acidic cation exchange capacity and a high molecular weight.SOLUTION: Provided is a strongly acidic cation exchanger, which is a strongly acidic cation exchanger in which a polymer segment having a sulfonic acid group is grafted to a polysaccharide, has a weight average molecular weight of 30,000 to 3,000,000, and has a strongly acidic cation exchange capacity of 2.5 to 4.9 meq/g.SELECTED DRAWING: Figure 3 【課題】強酸性陽イオン交換容量が大きく、かつ高分子量の強酸性陽イオン交換体の提供。【解決手段】多糖類にスルホン酸基を有するポリマーセグメントがグラフトした強酸性陽イオン交換体であり、重量平均分子量が３０，０００〜３，０００，０００であり、強酸性陽イオン交換容量が２．５〜４．９ｍｅｑ／ｇである強酸性陽イオン交換体。【選択図】図３