A super-hydrophobic anti-icing coating and a method of making the same
By adding hydrophobic SiO2 nanoparticles and polydimethylsiloxane to a polyurethane matrix, a superhydrophobic anti-icing coating was prepared, which solved the problems of insufficient hydrophobicity and wear resistance of existing coatings, and achieved efficient anti-icing effect and low-cost preparation.
CN118185465BActive Publication Date: 2026-01-23NORTHEAST AGRICULTURAL UNIVERSITY
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Patent Information
- Application Number
- CN202410383159.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2044-04-01
AI Technical Summary
Technical Problem
Existing hydrophobic coatings are difficult to simultaneously possess both good hydrophobic properties and good wear resistance, and their preparation processes are complex and costly.
Method used
Using polyurethane as the matrix system, hydrophobic SiO2 nanoparticles and polydimethylsiloxane are added, and a superhydrophobic anti-icing coating is prepared through dispersion and curing treatment to construct a rough surface structure to improve hydrophobicity and wear resistance.
Benefits of technology
The prepared superhydrophobic anti-icing coating has excellent hydrophobicity, wear resistance and chemical stability, reduces the adhesion strength of ice layer on substrate, and the preparation method is simple and low cost.
✦ Generated by Eureka AI based on patent content.
Abstract
The application relates to the technical field of super-hydrophobic coating, in particular to a super-hydrophobic anti-icing coating and a preparation method thereof; the method comprises the following steps: dispersing hydrophobic SiO2 nanoparticles in a polyurethane solution to obtain a dispersion liquid; mixing polydimethylsiloxane and a curing agent, and then adding the mixture into the dispersion liquid to perform first dispersion treatment, so as to obtain a first mixed liquid; adding polyurethane resin into the first mixed liquid to perform second dispersion treatment, so as to obtain a second mixed liquid; coating the second mixed liquid on a substrate, and performing curing treatment, so as to obtain the super-hydrophobic anti-icing coating. The prepared super-hydrophobic anti-icing coating not only has excellent hydrophobicity and wear resistance, but also has good chemical stability.
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