Modified inorganic particle, preparation method thereof and application of modified inorganic particle in super-hydrophobic material

An inorganic particle and modification technology, applied in the field of coatings, can solve the problems of many preparation steps, unfriendly environment, cumbersome process, etc., and achieve the effect of good biocompatibility and environmental friendliness
CN114479520AActive Publication Date: 2022-05-13INST OF CHEM ENG GUANGDONG ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF CHEM ENG GUANGDONG ACAD OF SCI
Publication Date
2022-05-13

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Abstract

The invention belongs to the technical field of coatings, and provides a modified inorganic particle, a preparation method of the modified inorganic particle and application of the modified inorganic particle in a super-hydrophobic material.The modified inorganic particle is prepared by conducting hydrophobic modification on inorganic nano-particles containing hydroxyl through rosin or rosin derivatives with the antibacterial function. The super-hydrophobic coating with the antibacterial function can be prepared by further combining the super-hydrophobic coating with low-surface-energy resin, coating the surfaces of different substrates with the super-hydrophobic coating and curing, use of organic fluorine compounds, metal ions or organic matter quaternary ammonium salt is avoided in the preparation process, the coating is environmentally friendly, biodegradable and good in biocompatibility, and the super-hydrophobic coating has the antibacterial function. The contact angle of water is not less than 152.3 degrees, the antibacterial efficiency is not less than 94.6%, and the antibacterial property on escherichia coli and staphylococcus is achieved.
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Description

technical field

[0001] The invention relates to the technical field of coatings, more specifically, to a modified inorganic particle and its preparation method and application in superhydrophobic materials. Background technique

[0002] Superhydrophobic coatings have important uses in industry, agriculture, national defense and real life because of their waterproof, anti-fouling, anti-icing and other functions. Superhydrophobic coating refers to a coating with a water contact angle greater than 150°. The coating is usually composed of substances with low surface energy and micro-nano structures. The micro-nano structures are mainly some inorganic nanoparticles, such as SiO 2 、Al 2 o 3 、TiO 2 etc., obtained by hydrophobic modification, and low surface energy substances refer to resins with low surface energy. Mixing micro-nano structure and low surface energy resins, spraying and curing can obtain super water-based coatings. At present, most of the hydrophobic modificatio...

Claims

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