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Nano-antibacterial epoxy resin coating for stainless steel water supply pipes as well as preparation method and application of nano-antibacterial epoxy resin coating

An epoxy resin coating, epoxy resin technology, applied in epoxy resin coatings, antifouling/underwater coatings, coatings, etc., can solve the problem of losing nano-size effect antibacterial function, etc., to improve the surface modification effect, The effect of improving uniform dispersion and good compatibility

Active Publication Date: 2021-12-03
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the preparation process of inorganic non-metallic nano-antibacterial agents, the agglomeration of inorganic non-metallic nano-fillers is a very serious problem, because the agglomeration of nanoparticles will make them lose their unique nano-size effect and corresponding antibacterial function.

Method used

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  • Nano-antibacterial epoxy resin coating for stainless steel water supply pipes as well as preparation method and application of nano-antibacterial epoxy resin coating
  • Nano-antibacterial epoxy resin coating for stainless steel water supply pipes as well as preparation method and application of nano-antibacterial epoxy resin coating
  • Nano-antibacterial epoxy resin coating for stainless steel water supply pipes as well as preparation method and application of nano-antibacterial epoxy resin coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1: the preparation of the nanometer antibacterial epoxy resin coating that is used for stainless steel water supply pipe

[0041] (1) Prepare raw materials according to the following parts by mass:

[0042]

[0043]

[0044] (2) While stirring and dispersing, nano-SiO 2 Added to ethanol aqueous solution, nano-SiO 2 Stir for 1 minute after addition to obtain nano-SiO 2 / ethanol aqueous suspension; use ultrasonic nanomaterial disperser (model: JH, Hangzhou Jinghao Machinery Co., Ltd.) to the nano-SiO 2 / Ethanol aqueous suspension is processed and added γ-glycidyl etheroxypropyl trimethoxysilane coupling agent through the automatic quantitative feeding system (model: LS series, Jiangsu Lisheng Measurement and Control Instrument Co., Ltd.), the specific method is: ultrasonic oscillation 30s, pause for 30s, cycle 10 times, divide the γ-glycidyl etheroxypropyl trimethoxysilane coupling agent evenly into 10 parts according to the number of cycles, before ul...

Embodiment 2

[0047] Embodiment 2: the preparation of the nanometer antibacterial epoxy resin coating that is used for stainless steel water supply pipe

[0048] (1) Prepare raw materials according to the following parts by mass:

[0049]

[0050]

[0051] (2) While stirring and dispersing, the nano-TiO 2 Added to ethanol aqueous solution, nano-TiO 2 Stir for 1 minute after addition to obtain nano-TiO 2 / ethanol aqueous suspension; use an ultrasonic nanometer material disperser (model: JH, Hangzhou Jinghao Machinery Co., Ltd.) to the nano TiO 2 / Ethanol aqueous suspension is processed and 3-aminopropyltriethoxysilane coupling agent is added through the automatic quantitative feeding system (model: LS series, Jiangsu Lisheng Measurement and Control Instrument Co., Ltd.), the specific method is: ultrasonic oscillation for 30s, Pause for 30s, cycle 8 times, divide 3-aminopropyltriethoxysilane coupling agent evenly into 8 parts according to the number of cycles, add 1 part every time y...

Embodiment 3

[0054] Embodiment 3: the preparation of the nano antibacterial epoxy resin coating that is used for stainless steel water supply pipe

[0055] (1) Prepare raw materials according to the following parts by mass:

[0056]

[0057]

[0058](2) Add nano-ZnO to the aqueous ethanol solution while stirring and dispersing, and then stir for 1 minute after adding the nano-ZnO to obtain a nano-ZnO / ethanol aqueous suspension; use an ultrasonic nanomaterial disperser (model: JH, Hangzhou Jinghao Machinery) Co., Ltd.) to process the nano-ZnO / ethanol aqueous suspension and add γ-(methacryloyloxy)propyltrimethoxysilane through the automatic quantitative feeding system (model: LS series, Jiangsu Lisheng Measurement and Control Instrument Co., Ltd.) Coupling agent, the specific method is: ultrasonic oscillation for 30s, pause for 30s, cycle operation 12 times, divide the γ-(methacryloyloxy)propyltrimethoxysilane coupling agent evenly into 12 parts according to the number of cycle operati...

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Abstract

The invention discloses a nano-antibacterial epoxy resin coating for a stainless steel water supply pipe and a preparation method and application thereof. According to the preparation method, an ultrasonic dispersion treatment method and an inorganic non-metal nano-filler surface modification method are combined, so inorganic non-metal nano-filler is always kept in a nano-size dispersion state, the agglomeration phenomenon of the inorganic non-metal nano-filler in the subsequent production process of preparing the nano-antibacterial epoxy resin coating is prevented, and the nano size effect and the corresponding antibacterial property of the nano-antibacterial epoxy resin coating are maintained. The nano-antibacterial epoxy resin coating prepared by the invention has the characteristics of high stability, good antibacterial effect, antibacterial durability, excellent broad-spectrum property, simplicity in production, convenience in use and the like; and the nano-antibacterial epoxy resin coating does not generate adverse effects on the performance of the stainless steel water supply pipe, and can also play a certain role in enhancing the corrosion resistance of the stainless steel water supply pipe.

Description

technical field [0001] The invention belongs to the field of stainless steel water supply pipes, and in particular relates to a nanometer antibacterial epoxy resin coating for stainless steel water supply pipes and its preparation method and application. Background technique [0002] Stainless steel pipe, as a profile with excellent mechanical properties and high chemical stability, has been widely used in papermaking, shipbuilding, nuclear industry, chemical industry and other industrial production as well as in all aspects of daily life. Stainless steel water supply pipe is its in life an important application. At present, the biggest problem in the practical application of water supply and drainage building materials is the secondary pollution of water quality. Generally speaking, the water from the waterworks meets the national drinking water quality standards, but after being transported by the main network and building branch pipes, end users often use "secondary poll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D5/14
CPCC09D163/00C09D5/14C08K2003/2241C08K2003/2296C08K2201/011C08K9/06C08K7/26C08K3/22
Inventor 牟文杰李经林赵良知
Owner SOUTH CHINA UNIV OF TECH
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