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A kind of room-temperature-curable water-based anti-corrosion primer for external surface coating of engineering cranes and preparation method thereof

A room temperature curing, anti-corrosion primer technology, applied in the direction of anti-corrosion coatings, coatings, epoxy resin coatings, etc., can solve the problems of corrosion resistance, initial water resistance and poor mechanical properties, and can not be applied to engineering crane surface anti-corrosion coatings, paints, etc. The film cannot be cured at room temperature, etc., to achieve strong corrosion resistance and initial water resistance, to achieve large-scale production, and to quickly increase the strength of the paint film.

Active Publication Date: 2016-04-20
GUANGZHOU KINTE IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the current water-based anti-corrosion coatings have poor corrosion resistance, initial water resistance and mechanical properties, and the paint film cannot be cured at room temperature, and the construction adaptability is low. Therefore, it cannot be applied to anti-corrosion coatings on the surface of engineering cranes.

Method used

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  • A kind of room-temperature-curable water-based anti-corrosion primer for external surface coating of engineering cranes and preparation method thereof
  • A kind of room-temperature-curable water-based anti-corrosion primer for external surface coating of engineering cranes and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] (1) Preparation of water-based color paste: Add all the deionized water into the mixing tank, add organic bentonite BENTONEEW while stirring, then add 1 / 3 of the defoamer TEGO810, and disperse at a high speed of 2000-3000rpm / min 20 minutes to activate the organic bentonite; then add dispersant Orotan731A, wetting agent surfynol104 under stirring condition, finally add micaceous iron oxide red, precipitated barium sulfate, talcum powder, fumed silica AEROSILA200, zinc phosphate ZP-10, stir After uniformity, add the remaining defoamer TEGO810, disperse at a speed of 2000-3000rpm / min for 20 minutes, and then transfer to a sand mill to grind to a fineness of less than 15 microns to obtain a water-based color paste.

[0044] (2) Preparation of water-based paint: Add water-based resin Waterpoxy1455 into the mixing tank, then add the above-mentioned finely ground water-based color paste under stirring conditions, add film-forming aid TEXANOL, wetting and leveling agent BYK349 ​...

Embodiment 2

[0046] (1) Preparation of water-based color paste: Add all the deionized water into the mixing tank, add organic bentonite BENTONELT while stirring, then add 1 / 3 defoamer TEGO810, and disperse at a high speed of 2000-3000rpm / min 20 minutes to activate the organic bentonite; then add dispersant Orotan731A, wetting agent surfynol104 under stirring condition, and finally add mica iron oxide red, precipitated barium sulfate, talcum powder, fumed silica AEROSILA200, zinc phosphosilicate SZP-391 Mix with aluminum tripolyphosphate K-white 140W, stir evenly, add the remaining defoamer TEGO810, disperse at a speed of 2000-3000rpm / min for 20 minutes, and then transfer to a sand mill to grind to a fineness of less than 15 microns to obtain a water-based color paste.

[0047] (2) Preparation of water-based paint: add water-based resin Waterpoxy1455 into the mixing tank, then add the above-mentioned finely ground water-based color paste under stirring conditions, add film-forming aid TEXANO...

Embodiment 3

[0049] (1) Preparation of water-based color paste: Add all the deionized water into the mixing tank, add organic bentonite BENTONEEW while stirring, then add 1 / 3 of the defoamer TEGO810, and disperse at a high speed of 2000-3000rpm / min 20 minutes to activate the organic bentonite; then add the dispersant Orotan165A and Lutensit? A-EP under stirring conditions, the wetting agent AD-01, and finally add mica iron oxide red, wollastonite 10ESWOLLASTOCOAT, ceramic microbeads Zeeosphere400 , fumed silica AEROSILA200, zinc phosphomolybdate ZPM and aluminum tripolyphosphate K-white140W, after stirring evenly, add the remaining defoamer TEGO810, disperse for 20 minutes at a speed of 2000-3000rpm / min, and then transfer to a sand mill for grinding When the fineness is less than 15 microns, water-based color paste is obtained.

[0050] (2) Preparation of water-based paint: Add water-based resin AR555 into the mixing tank, then grind the above-mentioned fine water-based color paste under s...

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Abstract

The invention discloses a room-temperature-curable aqueous anticorrosion primer used for coating the external surface of a construction crane. The primer comprises the following components by weight: 35-45% of an aqueous resin, 5-8% of a curing agent, 1-3% of a dispersant, 5-12% of an antirust pigment, 20-35% of a pigment filling material, 1-2% of an anti-settling agent, 0.5-1% of a wetting agent, 0.5-1% of a thixotropic agent, 0.5-1% of an antifoaming agent, 0.1-0.8% of a flash etching inhibitor, 0.1-0.8% of a mildew inhibitor, 1-3% of a film-forming auxiliary agent and 10-20% of deionized water. The invention also discloses a preparation method of the aqueous anticorrosion primer. The aqueous anticorrosion primer has a room-temperature-curable paint film, is energy-saving and environment friendly, and can satisfy safe production requirements of enterprises; the primer is high in solidity, low in viscosity, convenient for construction; and the coating of the primer has good corrosion resistance and water proofness, and the comprehensive properties of the coating reach performance indexes of same-type oiliness products.

Description

technical field [0001] The invention relates to a water-based paint, in particular to a room-temperature-curable water-based anticorrosion primer for coating the outer surface of an engineering crane. The invention also relates to a preparation method of the water-based anticorrosion primer. Background technique [0002] Engineering cranes are mainly divided into port cranes, construction cranes, general factory cranes and other mobile cranes. According to different application environments, there are different standards for anti-corrosion requirements. At present, the anti-corrosion primers for domestic engineering crane equipment generally use solvent-based alkyd primers, epoxy ester primers, polyurethane primers, two-component epoxy iron red paint, and epoxy zinc-rich primers. The environment is harsh, and the content of organic volatile gases in the air is high. Due to the large area occupied by engineering cranes, it is impossible to set up a separate spraying workshop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D163/04C09D133/00C09D175/14C09D7/12C09D5/08C08G59/56
Inventor 许奕祥姚煌禹汉文张红许振阳
Owner GUANGZHOU KINTE IND
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