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Low-density water-based workshop primer and preparation method thereof

A shop primer and low-density technology, applied in anti-corrosion coatings, alkali metal silicate coatings, coatings, etc., can solve the problems of high coating density and unfavorable construction, reduce zinc fog and weld pores, and have excellent anti-corrosion performance , Improve the effect of corrosion resistance

Inactive Publication Date: 2021-09-24
XIAMEN SUNRUI SHIP COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the existing shop primer paint mentioned in the above background technology has a high density and is not conducive to construction, the present invention provides a low-density water-based shop primer, including component A and component B;

Method used

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  • Low-density water-based workshop primer and preparation method thereof
  • Low-density water-based workshop primer and preparation method thereof
  • Low-density water-based workshop primer and preparation method thereof

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preparation example Construction

[0034] The invention provides a method for preparing a low-density water-based shop primer, comprising the preparation of component A and component B, and the specific preparation steps are as follows:

[0035] The preparation method of described A component is:

[0036] (1) adding aqueous silicate solution and aqueous graphene slurry to the reaction vessel and stirring;

[0037] Wherein, the stirring speed is preferably 500-800 rpm, and the stirring time is preferably 10-20 min;

[0038] (2) Packaging to obtain the finished product.

[0039] Wherein, the mass fraction added to the aqueous silicate solution is preferably 55-80 parts, more preferably 70-80 parts; the mass fraction added to the aqueous graphene slurry is preferably 20-45 parts, more preferably 20 to 30 servings.

[0040] The preparation method of described B component is:

[0041] (1) Add zinc powder, filler and organically modified zinc phosphate into a preparation container for mixing, sieve and package to...

Embodiment 1

[0047] For Example 1, in its component A raw material: the aqueous silicate solution is a potassium silicate solution; the aqueous graphene slurry adopts the aqueous graphene slurry of GRF-HCGW-01, wherein the graphene slurry The mass solid content of the material is 8%;

[0048] The stirring speed is 500-700rpm, and the stirring time is 10min; among the raw materials of component B, the zinc powder is spherical zinc powder with a fineness of 800 mesh; the filler is talcum powder, wollastonite powder, and ferrophosphorus powder; The organic modified zinc phosphate salt adopts 702 organic modified zinc phosphate salt.

Embodiment 2

[0049] For Example 2, in its component A raw material: the aqueous silicate solution is a potassium silicate solution; the aqueous graphene slurry adopts the aqueous graphene slurry of GRF-HCGW-01, wherein the graphene slurry The mass solid content of the material is 10%;

[0050] The stirring speed is 500-700rpm, and the stirring time is 10min;

[0051] Among the raw materials of component B, the zinc powder is spherical zinc powder with a fineness of 800 mesh; the filler is talcum powder, wollastonite powder, and ferrophosphorus powder; the organic modified zinc phosphate is 702 organically modified Zinc phosphate salt.

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Abstract

The invention relates to the technical field of anticorrosive paint, in particular to low-density water-based workshop primer and a preparation method thereof. The low-density water-based workshop primer comprises a component A and a component B, the component A comprises a water-based silicate solution and water-based graphene slurry; the component B comprises zinc powder, filler and organic modified zinc phosphate. The low-density water-based workshop primer provided by the invention is simple and convenient in preparation process, low in density, free of continuous stirring in the construction process and not easy to block a spray gun, effectively solves the problems of inconvenience in construction of the water-based workshop primer and the like, is lower in cost compared with a commercially available water-based workshop primer, and has a wide market application prospect.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion coatings, in particular to a low-density water-based shop primer and a preparation method thereof. Background technique [0002] The shop primer is a temporary anti-rust primer for steel (plate or profile) after shot blasting pretreatment to remove rust. At present, inorganic zinc silicate coatings are generally used as pretreatment shop primers for large steel components such as ships and offshore oil drilling platforms. Due to the country's continuous increase in environmental protection, water-based inorganic zinc silicate shop primers have become a future development trend. However, the current commercially available water-based inorganic zinc silicate shop primer contains a large amount of high-density materials such as zinc powder and iron phosphorus powder, resulting in a high density of the coating, and the product is prone to sedimentation during construction, and continuous stirr...

Claims

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Application Information

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IPC IPC(8): C09D1/02C09D7/61C09D5/10C09D5/08
CPCC09D1/02C09D7/61C09D5/106C09D5/084
Inventor 魏金伯苏雅丽杨名亮宋志生
Owner XIAMEN SUNRUI SHIP COATING
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