PVA superabsorbent composite resin containing diatomite was synthesized by suspension polymerization using maleic anhydride as cross-linking agent.

• 摘要采用悬浮聚合法，以顺丁烯二酸酐为交联剂，添加硅藻土，制得硅藻土-聚乙烯醇高吸水性树脂。