Macromolecular electrostatic self-assembly sensing material for ion detection as well as preparation method and application of material

• Main Authors: CHEN YUYUAN, WU DUN, ZHONG JIRONG, LIU GANG, CAO ZHENG, XIONG YINGLIN, LIU CHUNLIN, LI LEI
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2017
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MEASURING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; TESTING; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention belongs to the field of macromolecular self-assembly materials and environmental ionic pollutant detection and particularly relates to a macromolecular electrostatic self-assembly sensing material for ion detection as well as a preparation method and an application of the material. The sensing material is a multi-layer film formed by micro hydrogel particles with an ionic chelation function and surface negative charges and cationic polyelectrolyte through self-assembly under the action of electrostatic force, and selective detection of heavy metal ions in water is realized with a quartz crystal microbalance technique. 本发明属于高分子自组装材料与环境离子污染物检测领域，具体涉及种离子检测用高分子静电自组装传感材料及其制备方法和其应用。传感材料是由兼具离子螯合功能、表面负电荷的微水凝胶颗粒与阳离子聚电解质经静电力作用自组装而成的多层薄膜，并通过石英晶体微天平技术，实现对水中重金属离子的选择性检测。