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Room-temperature-curable aqueous anticorrosion primer used for coating external surface of construction crane and preparation method of primer

A room temperature curing, anti-corrosion primer technology, used in anti-corrosion coatings, coatings, epoxy resin coatings, etc. The film cannot be cured at room temperature, etc., to achieve the effect of strong corrosion resistance and initial water resistance, large-scale production, and rapid increase in the strength of the paint film

Active Publication Date: 2013-12-11
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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  • Room-temperature-curable aqueous anticorrosion primer used for coating external surface of construction crane and preparation method of primer
  • Room-temperature-curable aqueous anticorrosion primer used for coating external surface of construction crane and preparation method of primer

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 BENTONE EW while stirring, and then add 1 / 3 of the defoamer TEGO810, at a high speed of 2000-3000rpm / min Disperse for 20 minutes to activate the organic bentonite; then add dispersant Orotan 731A, wetting agent surfynol 104 under stirring conditions, and finally add micaceous iron oxide red, precipitated barium sulfate, talcum powder, fumed silica AEROSIL A200, zinc phosphate ZP -10, after stirring 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.

[0044] (2) Preparation of water-based paint: Add water-based resin Waterpoxy 1455 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...

Embodiment 2

[0046] (1) Preparation of water-based color paste: Add all the deionized water into the mixing tank, add organic bentonite BENTONE LT while stirring, and then add 1 / 3 of the defoamer TEGO810, at a high speed of 2000-3000rpm / min Disperse for 20 minutes to activate the organic bentonite; then add dispersant Orotan 731A, wetting agent surfynol 104 under stirring conditions, and finally add micaceous iron oxide red, precipitated barium sulfate, talcum powder, fumed silica AEROSIL A200, phosphosilicate Zinc SZP-391 and aluminum tripolyphosphate K-white 140W, stir evenly, add the remaining defoamer TEGO810, disperse at a speed of 2000-3000rpm / min for 20 minutes, then transfer to a sand mill to grind to a fineness of less than 15 microns, Obtain water-based color paste.

[0047] (2) Preparation of water-based paint: Add water-based resin Waterpoxy 1455 into the mixing tank, then grind the above-mentioned fine water-based color paste under the condition of stirring, add film-forming a...

Embodiment 3

[0049] (1) Preparation of water-based color paste: Add all the deionized water into the mixing tank, add organic bentonite BENTONE EW while stirring, and then add 1 / 3 of the defoamer TEGO810, at a high speed of 2000-3000rpm / min Disperse for 20 minutes to activate the organic bentonite; then add the dispersant Orotan165A and Lutensit? Beads Zeeosphere400, fumed silica AEROSIL A200, zinc phosphomolybdate ZPM and aluminum tripolyphosphate K-white 140W, after stirring evenly, add the remaining defoamer TEGO810, disperse at 2000-3000rpm / min for 20 minutes, and then transfer to Grinding to a fineness of less than 15 microns with a sand mill to obtain a water-based color paste.

[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 the condition of stirring, and finally add film-forming aid TEXANOL, wetting and leveling agent VXW-6503 and BYK333 in order , anti-flash corrosion...

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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 Applications(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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