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Organic silicon foaming connecting coating and preparation method thereof

A technology of organosilicon and hydroxyorganosilicon, which is applied in the direction of antifouling/underwater coatings, coatings, paints containing biocide, etc., can solve the problems of increasing material costs and increasing construction costs, so as to prolong service life and increase coating Layer thickness, the effect of reducing the number of construction passes

Inactive Publication Date: 2021-08-06
725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the construction process, generally at least 2 or more layers are required to effectively increase the thickness of the antifouling coating, which will increase both material costs and construction costs

Method used

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  • Organic silicon foaming connecting coating and preparation method thereof
  • Organic silicon foaming connecting coating and preparation method thereof
  • Organic silicon foaming connecting coating and preparation method thereof

Examples

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Effect test

preparation example Construction

[0025] A preparation method for silicone foam connection coating, comprising the following preparation steps:

[0026] Step 1. Preparation of Component A: Component A is composed of the following components in parts by mass: 10-60 parts of hydroxy silicone resin, 1-5 parts of monobasic organic acid, 10-20 parts of pigment and filler, thixotropic agent 0.5~1 part, 10~20 parts of solvent I; the preparation method of component A is: calculated by mass parts, add 10~60 parts of hydroxyl silicone resin, 1~5 parts of monobasic organic acid, 10 ~20 parts of solvent Ⅰ, the reactor can be a dispersing tank, disperse at a high speed for 15~25 minutes, then add 10~20 parts of pigments and fillers and continue to disperse at a high speed for 3~6 hours, then add 0.5~1 part of thixotropic agent, continue Disperse at high speed for 1~3h, when the fineness of the coating drops to 60~80μm, filter the material;

[0027] Step 2, preparation of component B: component B is composed of the followi...

Embodiment 1

[0042] The ingredients of the A, B and C components of this embodiment are shown in Table 1. The high-speed dispersion method is used to prepare the A and B components. When using, the A, B and C components are blended according to the batching ratio in Table 1. The construction can be carried out after stirring evenly. The connecting paint can be constructed by brush coating, roller coating, high-pressure airless spraying, air spraying and other construction techniques.

Embodiment 2

[0044] The ingredients of the A, B and C components of this embodiment are shown in Table 1. The high-speed dispersion method is used to prepare the A and B components. When using, the A, B and C components are blended according to the batching ratio in Table 1. The construction can be carried out after stirring evenly. The connecting paint can be constructed by brush coating, roller coating, high-pressure airless spraying, air spraying and other construction techniques.

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Abstract

The invention provides an organic silicon foaming connecting coating and a preparation method thereof, and the preparation method comprises the following preparation steps: preparing a component A and a component B by adopting a high-speed dispersion method, then blending the component A, the component B and a component C, and uniformly stirring to obtain a finished product, according to the anti-fouling matched foaming connecting coating with the hydroxyl organic silicon resin as the main base material, the interlayer adhesive force between an anti-rust bottom coating and a low-surface-energy anti-fouling coating is improved through the interface bonding design, meanwhile, the connecting coating is foamed in a chemical foaming mode, the elastic modulus of the connecting coating is adjusted, the coating thickness is increased, and the antifouling property of the coating is improved.

Description

technical field [0001] The invention relates to the technical field of chemical materials, in particular to an organic silicon foaming connection coating and a preparation method thereof. Background technique [0002] Traditional antifouling coatings mainly use the release of antifouling agents to inhibit the adhesion of fouling organisms, but antifouling agents have a certain destructive effect on marine ecology. With the strengthening of environmental protection awareness in various countries around the world, the development of low-toxic or non-toxic antifouling Coatings have become the development trend of antifouling coatings in the future, and new environmentally friendly antifouling coatings represented by fouling release antifouling coatings are widely used because of their excellent antifouling properties. However, due to the large difference in the structure and performance of the resins used in the base coat and the top coat, the matching connection performance be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/16C09D183/04
CPCC09D5/1675C09D5/1687C09D183/04
Inventor 邓冰锋谢志鹏王晶晶张弛
Owner 725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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