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High-solid-content polyamine-adduct-modified epoxy resin coating combination for ballast tank

A technology of epoxy resin and composition, applied in the direction of epoxy resin coating, coating, etc., can solve the problems of inconvenient operation, high VOC content, construction and environmental hazards, etc., and achieve the effect of long service life and convenient cleaning work

Inactive Publication Date: 2013-06-12
DAKE TAIZHOU NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Epoxy anti-corrosion coatings can be divided into solvent-based, solvent-free and water-based coatings. Solvent-based coatings contain a large amount of solvents and high VOC content, causing certain harm to construction and the environment. Solvents are required for equipment cleaning, which does not meet environmental protection requirements.
Water-based heavy-duty anti-corrosion coatings are an inevitable trend in the development of coatings. They have the advantages of non-toxic environmental protection and easy construction and cleaning. However, due to their high technical content, they are only in the research and development and testing stage, and have not been widely promoted and applied.
Solvent-free epoxy coatings for ship ballast water tanks have the characteristics of low VOC and no solvent, and are favored by various construction units. However, solvent-free anti-corrosion coatings still need thinners or solvents for equipment cleaning after construction. It will also cause environmental pollution and inconvenient operation.

Method used

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  • High-solid-content polyamine-adduct-modified epoxy resin coating combination for ballast tank
  • High-solid-content polyamine-adduct-modified epoxy resin coating combination for ballast tank
  • High-solid-content polyamine-adduct-modified epoxy resin coating combination for ballast tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The formula of component A (parts by weight) is as follows:

[0036]

[0037] Component B: BECKOPOX VEH2106 model product produced by Cytec.

[0038] Preparation of component A: bisphenol A epoxy resin, bisphenol F epoxy resin, diluent, wetting and dispersing agent, defoamer, leveling agent, zinc phosphate, titanium dioxide, barium sulfate, anti-settling Add the agent to a 100-liter stainless mixing tank, stir and mix evenly at high speed, then grind to a fineness within 40um with a three-roller, disperse at high speed for 30 minutes, then add mica powder and silver-aluminum paste, disperse evenly, and pack out Get A component.

[0039] The B component can be divided directly.

[0040] How to use: Mix component A and component B according to a weight ratio of 5:2, stir well, and mature for about 15 minutes. If the viscosity is too high, it can be diluted with a small amount of distilled water, and the amount added should not exceed the total amount. 5%, using high-pressure ai...

Embodiment 2

[0042] The formula of component A (parts by weight) is as follows:

[0043]

[0044] Component B: BECKOPOX VEH2177 model product produced by Cytec.

[0045] Preparation of component A: bisphenol A epoxy resin, bisphenol F epoxy resin, diluent, wetting and dispersing agent, defoamer, leveling agent, zinc phosphate, titanium dioxide, talcum powder, anti-settling Add the agent to a 100-liter stainless mixing tank, stir and mix evenly at high speed, then grind to a fineness within 40um with a three-roller, disperse at high speed for 30 minutes, then add mica powder and silver-aluminum paste, disperse evenly, and pack out Get A component.

[0046] The B component can be divided directly.

[0047] How to use: Mix A component and B component according to the weight ratio of 5:1, stir well, and mature for about 15 minutes. If the viscosity is too high, it can be diluted with a small amount of distilled water, and the amount added should not exceed the total amount. 5%, using high-pressure a...

Embodiment 3

[0049] The formula of component A (parts by weight) is as follows:

[0050]

[0051] Component B: BECKOPOX VEH2189 model product produced by Cytec.

[0052] Preparation of component A: bisphenol A epoxy resin, bisphenol F epoxy resin, diluent, wetting and dispersing agent, defoamer, leveling agent, zinc phosphate, titanium dioxide, barium sulfate, anti-settling Add the agent to a 100-liter stainless mixing tank, stir and mix evenly at high speed, then grind to a fineness within 40um with a three-roller, disperse at high speed for 30 minutes, then add mica powder and silver-aluminum paste, disperse evenly, and pack out Get A component.

[0053] The B component can be divided directly.

[0054] How to use: Mix A component and B component according to the weight ratio of 5:1, stir well, and mature for about 15 minutes. If the viscosity is too high, it can be diluted with a small amount of distilled water, and the amount added should not exceed the total amount. 5%, using high-pressure ...

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Abstract

The invention provides a high-solid-content polyamine-adduct-modified epoxy resin coating combination for a ballast tank, and devices coated with the composition can be cleaned by tap water. The coating combination is composed of component A and component B, wherein the component A comprises bisphenol A type epoxy resin, bisphenol F type epoxy resin, pigment fillers and additives, and the component B comprises an addition type curing agent which is an adduct of epoxy resin and polyamine. The coating combination provided by the invention has characteristics of long using time, and thus time is long enough for cleaning the coated devices by water during a construction process, thereby being safe and environmental protective, and providing convenience for cleaning work after the construction. The coating combination can be used in shipbuilding, steel structures, bridges and other fields of anticorrosion and heavy anti-corrosion, and especially used as anticorrosion coating on surfaces of ballast water tanks of ships.

Description

Technical field [0001] The invention relates to a coating composition, in particular to a high-solid content polyamine adduct modified epoxy resin ballast tank coating composition. The coating equipment used in the coating can be cleaned with tap water. Background technique [0002] Due to its excellent anti-corrosion, mechanical properties and chemical resistance, two-component epoxy heavy-duty anti-corrosion coatings have been widely used in steel structures and ships. Epoxy anticorrosive coatings can be divided into solvent-based, solvent-free and water-based coatings. Solvent-based coatings contain a large amount of solvents and have high VOC content, which cause certain hazards to the construction and environment. The cleaning of equipment requires solvents and does not meet environmental protection requirements. Water-based heavy-duty anti-corrosion coatings are an inevitable trend in the development of coatings. They have the advantages of non-toxic, environmentally friend...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D163/02C09D7/12
Inventor 孟彦宾汪培庆汪国庆
Owner DAKE TAIZHOU NEW MATERIALS
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