Preparation method of environment-friendly negative oxygen ion waterproof latex paint
By combining tourmaline@ZIF-8 core-shell structure with silicone-acrylic block copolymer emulsion, the problems of performance degradation and construction defects of negative ion coatings in high humidity environments are solved, achieving a synergistic unity of waterproof performance and release performance of negative ion coatings.
Patent Information
- Application Number
- CN202610579390.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-29
- Publication Date
- 2026-06-02
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In existing technologies, the release performance of negative ion coatings decreases sharply in high humidity environments, the waterproof function and the negative ion release function are difficult to be compatible, and pinholes and blistering defects are easily generated when applying to high humidity walls.
By combining tourmaline powder with a ZIF-8 core-shell structure, the hydrophobic channels of ZIF-8 are used to protect the surface of tourmaline. A silicone-acrylic block copolymer emulsion is prepared by combining reversible addition-fragmentation chain transfer polymerization technology to form a hydrophobic-hydrophilic dual continuous network structure. With the help of a closed isocyanate crosslinking agent, the synergistic effect of negative oxygen ion release and waterproof performance is achieved.
It maintains a stable and efficient negative oxygen ion release capacity in high humidity environments, possesses excellent waterproof performance, and solves the problems of pinholes and blistering during construction on high humidity walls, achieving a synergistic unity between waterproof and negative ion release functions.