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Low temperature antibacterial heavy-duty fusion-bonded epoxy powder coating and preparation method thereof

A fusion-bonded epoxy powder and heavy-duty anti-corrosion technology, which is applied in powder coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of not being able to inhibit bacterial reproduction, affect transportation efficiency, increase transportation costs, etc., and achieve excellent physical and chemical properties. Improving transmission efficiency and saving energy

Active Publication Date: 2012-07-11
XIAN XINYU FINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The same kind of fusion-bonded epoxy powder coating needs to preheat the pipeline to 230°C before spraying, the curing temperature is high, and the curing time is as long as 10min to 20min, which consumes a lot of energy; and ordinary heavy-duty anti-corrosion powder coating It cannot inhibit the reproduction of bacteria, so that the diameter of the coated pipe will shrink due to the continuous reproduction of bacteria, which will affect the transportation efficiency and increase the transportation cost

Method used

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  • Low temperature antibacterial heavy-duty fusion-bonded epoxy powder coating and preparation method thereof

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Effect test

Embodiment 1

[0028] The low-temperature antibacterial and heavy-duty anti-corrosion fusion bonded epoxy powder coating of this embodiment is formed by mixing component A and component B according to the mass ratio of 17:3; the component A is composed of the following raw materials in mass percentage: phenolic modified 8.5% permanent epoxy resin, 43.4% bisphenol A epoxy resin, 11.2% curing agent, 0.5% accelerator, 2.7% leveling agent, 2.2% pigment, and 31.5% filler; the B component consists of the following mass percentages Composition of raw materials: epoxy resin 86%, antioxidant 10%, nano antibacterial agent 4%; the bisphenol A type epoxy resin is E12 type bisphenol A type epoxy resin, and the epoxy resin is phenolic modified permanent epoxy resin, the curing agent is PSG-01 phenolic curing agent, the accelerator is pharmaceutical grade dimethylimidazole, the leveling agent is leveling agent H88, and the filler is BaSO 4 , CaCO 3 , mica powder and SiO 2 The mixture is mixed according t...

Embodiment 2

[0036]The present embodiment is the same as embodiment 1, wherein the difference is: the epoxy resin is E12 type bisphenol A type epoxy resin or is phenolic modified epoxy resin and E12 type bisphenol A type epoxy resin, so The curing agent is PSG-02 phenolic curing agent or PSG-03 phenolic curing agent, the leveling agent is leveling agent H99, and the antioxidant is composite antioxidant JY-220 or composite antioxidant JY -561, the nano-antibacterial agent is nano-silver inorganic antibacterial agent RHA-T3.

[0037] The powder coating of this embodiment only needs to be preheated to 180° C. before spraying, and then kept warm for 1 to 1.5 minutes to completely solidify and form a film.

[0038] The powder coating of this embodiment has not only good anticorrosion performance, but also antibacterial function. The antibacterial effect has passed the British WRAS water sanitation and safety certification. The powder coating can be applied to urban water pipes, sewage pipes, oi...

Embodiment 3

[0040] The low-temperature antibacterial and heavy-duty anti-corrosion fusion bonded epoxy powder coating of this embodiment is formed by mixing component A and component B according to the mass ratio of 4:1; the component A is composed of the following raw materials in mass percentage: phenolic modified 20% permanent epoxy resin, 30% bisphenol A epoxy resin, 20% curing agent, 1% accelerator, 4% leveling agent, 5% pigment, and 20% filler; the B component consists of the following mass percentages Composition of raw materials: epoxy resin 92%, antioxidant 5%, nano antibacterial agent 3%; the bisphenol A type epoxy resin is E12 type bisphenol A type epoxy resin, and the epoxy resin is E12 type Bisphenol A type epoxy resin, the curing agent is PSG-03 phenolic curing agent, the accelerator is industrial grade dimethylimidazole, the leveling agent is leveling agent H99, and the filler is BaSO 4 , CaCO 3 , mica powder and SiO 2 The mixture is mixed according to the mass ratio of 1...

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Abstract

The invention discloses a low temperature antibacterial heavy-duty fusion-bonded epoxy powder coating which is formed by mixing a component A and a component B according to a mass ratio of 4 to 8:1, wherein the component A comprises raw materials with the mass percentages as follows: 5 to 20 percent of phenolic modified epoxy resin, 30 to 60 percent of bisphenol A epoxy resin, 5 to 20 percent of curing agents, 0.1 to 1 percent of accelerating agents, 1 to 5 percent of flow agents, 1 to 5 percent of pigment and 20 to 40 percent of filler; the component B comprises raw materials with the mass percentages as follows: 75 to 92 percent of epoxy resin, 5 to 15 percent of antioxidants and 1 to 10 percent of nano-antibacterial agents. Besides, the invention further provides a preparation method of the coating. The powder coating disclosed by the invention has excellent physical and chemical performance, chemical corrosion resistance and microbial corrosion resistance, simultaneously has the characteristic of low temperature rapid solidification, can reduce the production cost, can save energy resources and is easy to popularize and apply.

Description

technical field [0001] The invention belongs to the technical field of pipeline anticorrosion coatings, and in particular relates to a low-temperature antibacterial and heavy anticorrosion fusion bonded epoxy powder coating and a preparation method thereof. Background technique [0002] Heavy anti-corrosion powder coatings mainly refer to fusion bonded epoxy powder coatings. As an important part of powder coatings, heavy-duty anti-corrosion powder coatings are more and more valued and well-known by the anti-corrosion industry. Once they appear, they are very popular and enjoy the reputation of "4E coatings". They are one of the most promising powder coating varieties. The field of application continues to expand, from initially being used as a pipeline anti-corrosion material to building steel bars, steel structure pipe fittings, etc. With the continuous development of new materials and the continuous development of coating technology, its application prospects will be broad...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D163/04C09D163/02C09D5/03C09D5/14C09D5/08C09D7/12B29C47/92B29C48/92
Inventor 苏治果
Owner XIAN XINYU FINE CHEM
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