Anti-corrosion antibacterial nano coating

An antibacterial nano-coating and corrosion-resistant technology, used in anti-corrosion coatings, anti-fouling/underwater coatings, coatings, etc., can solve the problems of easy shedding, poor environmental performance, human injury, etc., to improve anti-corrosion hardness, anti-bacterial Performance and long-lasting, corrosion-resistant effect

Inactive Publication Date: 2016-03-09
唐伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, the antibacterial agents currently used in antibacterial coatings are mainly inorganic salts such as mercury salts, which will cause certain harm to the human body due to their own toxicity.
Although the existing nano-coatings have antibacterial properties, the antibacterial time is short, and it is easy to be contaminated with dust, easy to absorb water and deteriorate, has low hardness and is easy to be damaged, easy to fall off, and has poor environmental performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A nano-coating with wear-resistant and antibacterial properties, made of the following raw materials in parts by weight: 18 parts of zinc oxide, 5 parts of butyral, 10 parts of graphite powder, 2 parts of dispersant, 7 parts of carboxymethyl cellulose, iso 4 parts of propanol, 20 parts of nano titanium dioxide, 12 parts of acrylic acid, 8 parts of lauric acid.

[0014] Nano-titanium dioxide is prepared by the following method: Weigh 25kg of metatitanic acid (equivalent to TiO 2 In total, the raw material TiO 2 content is about 28%), placed in a reactor equipped with a stirrer, add about 250kg deionized water to make the slurry TiO 2 The content is about 8%, stir for 0.5h; add ammonia water to the slurry to adjust the pH value to 6, heat the slurry to 70°C with steam, keep warm and stir for 2.0h, and at the same time add an appropriate amount of ammonia water to maintain the pH of the slurry at 6; Add 0.125kg of ammonium citrate to the mixture and stir for 1 hour; pres...

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PUM

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Abstract

The invention provides a nano coating with anti-corrosion and antibacterial properties. The nano coating is prepared from the following materials in parts by weight: 55 to 70 parts of polyurethane, 40 to 80 parts of water, 5 to 10 parts of wetting dispersant, 1 to 5 parts of hydroxyl terminated polybutadiene, 15 to 20 parts of nanometer titania, 10 to 15 parts of acrylic acid and 6 to 10 parts of lauric acid. Compared with the prior art, the nano coating provided by the invention has the following benefits: through adding the wetting dispersant, hydroxyl terminated polybutadiene and acrylic acid, the nano coating has good wear-resisting property, and through adding the nanometer titania, the nano coating has antibacterial property.

Description

technical field [0001] The invention relates to a corrosion-resistant and antibacterial nano-coating. Background technique [0002] Known coatings are used in large quantities in construction, vehicles, military, decoration, and shipbuilding industries, and are closely related to people's lives. On the one hand, in view of the interweaving effects of biological pollution, erosion wear and electrochemical corrosion faced by ships and port facilities at sea, regular cleaning and maintenance of ships is very necessary. Even in some cases, parts need to be replaced, and this process requires a lot of money, so different countries apply different technologies to solve this problem. The application of anti-pollution and anti-corrosion coatings is a simple and effective method, but there is no anti-pollution and anti-corrosion coating that can effectively deal with biofouling, erosion wear and electrochemical corrosion at the same time. On the other hand, many paints do not h...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D7/12C09D5/14C09D5/08
CPCC09D4/06C09D5/08C09D5/14C09D7/61C08F251/02
Inventor 唐伟王东
Owner 唐伟
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