Single-component water-based natural drying finishing coat for construction crane and preparation method thereof

A crane, one-component technology, applied in the direction of anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., to achieve the effects of strong construction adaptability, excellent water resistance, and excellent aging resistance

Inactive Publication Date: 2014-05-14
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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  • Single-component water-based natural drying finishing coat for construction crane and preparation method thereof
  • Single-component water-based natural drying finishing coat for construction crane and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] (1) Add part of deionized water, dispersant Dispersogen DIP, wetting agent and leveling agent surfynol 104DPM, 1 / 2 neutralizing agent ammonia water into the stirring tank, and then add colored pigment titanium dioxide and filler precipitated barium sulfate under stirring conditions , glass powder, anti-sedimentation agent fumed silica N20, after stirring evenly, add some defoamer GS-D101, disperse at high speed, then transfer to a sand mill to grind to a fineness of less than 15 microns, and obtain a pH value of 8.0-9.0 Water-based color paste.

[0047] (2) Add water-based self-crosslinking acrylic emulsion MAINCOTE into the stirring tank TM 1100A and auxiliary water-based polyurethane resin U4190, stir evenly, and dilute the film-forming aids dipropylene glycol butyl ether and propylene glycol butyl ether (ratio 7:3) with some deionized water, and then add it to the above water-based resin mixture under stirring conditions , then add 1 / 2 of the thixotropic agent SAMAS...

Embodiment 2

[0049] (1) Take part of deionized water, dispersant Solsperse 47000 and ZETASPERSE 3700 (mixing ratio 2:1), wetting agent leveling agent GS-850DPM, 1 / 2 neutralizing agent ammonia water into the stirring tank, and then stir Under the conditions, add coloring pigment organic scarlet F3RK and PR02, filler precipitated barium sulfate, glass powder, wollastonite, anti-sedimentation agent fumed silica T40, stir evenly, add part of defoamer GS-D101, disperse at high speed, and then transfer to Grinding with a sand mill to a fineness of less than 15 microns to obtain a water-based color paste with a pH value of 8.0-9.0.

[0050] (2) Add water-based self-crosslinking acrylic emulsion MAINCOTE into the stirring tank TM 1100A and auxiliary water-based polyurethane resin U4190, stir evenly, dilute the film-forming aids dipropylene glycol butyl ether and propylene glycol butyl ether (ratio 7:3) with the remaining deionized water, and then add it to the above water-based resin mixture under...

Embodiment 3

[0052] (1) Take part of deionized water, dispersant Dispersogen PTS and ZETASPERSE 3400 (mixing ratio 2:1), wetting agent leveling agent GS-850DPM, neutralizer AMP-95 into the stirring tank, and then under stirring conditions Next, add coloring pigment organic rhubarb PO-1304 and PY-1238, filler precipitated barium sulfate, glass powder, wollastonite, anti-sedimentation agent fumed silica AEROSIL 200, stir well, add defoamer GS-D101, and disperse at high speed , and then transferred to a sand mill to grind to a fineness of less than 15 microns to obtain a water-based color paste with a pH value of 8.0-9.0.

[0053] (2) Add water-based self-crosslinking acrylic emulsion YG A-51 and auxiliary water-based polyurethane resin CPT8240 into the stirring tank, stir evenly, and dilute the film-forming aids dipropylene glycol butyl ether and propylene glycol butyl ether with the remaining deionized water (ratio 7 : 3), and then added to the above water-based resin mixture under stirring...

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Abstract

The invention discloses a single-component water-based natural drying finishing coat for a construction crane and a preparation method thereof. The raw material formula of the single-component water-based natural drying finishing coat comprises the following components by weight percent: 40-50% of water-based resin, 1-3% of dispersant, 4-20% of coloring pigment, 8-15% of filler, 0.5-1.5% of anti-settling agent, 0.5-1% of leveling wetting agent, 1-2% of thixotropic agent, 0.5-1% of defoamer, 0.1-0.8% of mildew preventive, 1-5% of coalescing agent, 0.5-1% of neutralizer and 10-20% of deionized water. The invention also discloses the preparation method of the single-component water-based finishing coat. The film of the water-based natural drying finishing coat is curable at the room temperature, energy-saving and environmental friendly, and capable of meeting the requirements of safe production of enterprises; in the meantime, the film is good in closure to a primer, and has excellent early-stage waterproofness and ageing resistance; the single-component water-based finishing coat is matched with a room temperature curable water-based double-component epoxy primer in use, so that the film formed is excellent in corrosion resistance, and the comprehensive properties of the single-component water-based natural drying finishing coat are up to the property indexes of similar solvent type finishing coats.

Description

technical field [0001] The invention relates to water-based coatings, in particular to a one-component water-based self-drying finish paint for engineering cranes. The invention also relates to a method for preparing the topcoat. 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, aging resistance, and solvent resistance. At present, the anti-corrosion primers for domestic engineering crane equipment generally use solvent-based alkyd primers, two-component epoxy iron red paints, and epoxy zinc-rich primers, etc., while the matching topcoats are based on aging resistance and solvent resistance. Different properties, generally divided into solvent-based alkyd enamel, acrylic paint, two-component polyurethane paint, etc., because solvent-based paint contains a larg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D7/02C09D7/06C09D7/12C09D5/08C09D7/45C09D7/47
Inventor 许奕祥姚煌禹汉文张红谢唯
Owner GUANGZHOU KINTE IND
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