The synthesis and swelling characteristics of two types of water retaining agents with high performance were researched systematically on the basis of microcomposition and macrostructure design.A water retaining agent with core-shell structure and salt-tolerating,high absorbent rate were synthesized by copolymerization and two-step crosslingking of ion-nonion monomers. Another water retaining agent with interpenetrating structure were also synthesized by introduction of functional polyvinylacohol into poly(sodium acrylate)-based superabsorbent through static solution polymerization.Such kind of water retaining agent showed high water absorbency and strength.
本研究拟通过保水剂的颗粒结构和微观组成设计,实现核-壳结构以提高耐盐性、生物降解约白酆衔⒈K阅埽剿鞅K亮W拥暮旯劢峁埂⑽⒐圩槌杉敖涣缃峁褂肫淠脱涡浴⑸锝到庑约白酆衔⒈K阅苤涞哪谠诠叵怠Q芯勘K梁?壳结构形成的热力学、动力学条件,丰富保水材料的研究方法和理论体系。
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数据更新时间:2023-05-31
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