A slow-release composite nanocolloid material, a preparation method and application thereof

By combining molybdate, pyrophosphate, or phytate with cationic polyelectrolytes through electrostatic self-assembly technology to form nanocolloids, the problems of insufficient comprehensive material performance and application adaptability in existing technologies are solved. This enables the controlled release of ions and multifunctional adaptability, simplifies the preparation process, and is applicable to fields such as electroplating, catalysis, and agriculture.

CN122399686APending Publication Date: 2026-07-17SHANDONG JINLIT NEW MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANDONG JINLIT NEW MATERIAL CO LTD
Filing Date
2026-03-02
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, single-functional materials cannot simultaneously meet the comprehensive requirements of sustained release, stable dispersion, and multifunctional compatibility. They also suffer from problems such as complex preparation processes, limited applicable scenarios, and poor compatibility with complex systems.

Method used

By using electrostatic self-assembly technology, molybdate, pyrophosphate, or phytate are combined with cationic polyelectrolytes to form nanocolloids. By controlling the mass ratio of anions and cations in the electrostatic self-assembly reaction, a dynamically electrostatically balanced nanocolloid is formed, enabling intelligent release and multifunctional adaptation.

Benefits of technology

It achieves controlled release of ions, improves the sustained-release effect of materials, adapts to the needs of multiple application fields, simplifies the preparation process, is easy to scale up production, and has multiple functions such as pH buffering, catalysis, and corrosion inhibition.

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Abstract

本发明提供一种缓释型复合纳米胶体材料及其制备方法与应用,涉及纳米复合材料领域,以含有所述阴离子的溶液S1和阳离子聚电解质的水溶液S2为原料,在搅拌条件下,将溶液S1、S2中的一种在持续搅拌下缓慢加入另一种溶液中,进行静电自组装反应,形成纳米胶体。其中,所述阴离子为钼酸根、焦磷酸根或植酸根。本发明首次提出并构建了基于“动态静电平衡”的纳米缓释胶体体系,阴离子和阳离子聚电解质通过静电相互作用、自组装形成动态平衡的纳米胶体,该胶体在静止状态下稳定储存离子,在使用时能响应环境刺激(稀释、pH、竞争离子)智能可控释放。
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