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Waterborne paint for car chassis protection and preparation method thereof

An automotive chassis, water-based technology, used in antifouling/underwater coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of wear, adhesion and antibacterial properties to be improved, shorten production time, thermal expansion The effect of reducing the coefficient and improving the sterilization performance

Inactive Publication Date: 2019-05-31
GUANGZHOU JIAJIE MACHINERY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the abrasion resistance, adhesion and antibacterial properties of existing automotive coatings need to be improved.

Method used

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  • Waterborne paint for car chassis protection and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A water-based coating for automobile chassis protection, which is composed of the following raw material components in parts by mass: 65 parts of water-soluble epoxy acrylic resin, 30 parts of polyacrylate emulsion, 17 parts of zinc isooctanoate, 8 parts of sodium alginate, six sub- 14 parts of methyl diisocyanate, 10 parts of nano-silicon carbide, 17 parts of talc powder, 13 parts of hydroxyethyl methacrylate phosphate, 12 parts of tourmaline powder, 8 parts of negative ion powder, 5.5 parts of anti-rust pigment, 1.5 parts of dispersant , 2.0 parts of film-forming aid, 2.0 parts of leveling agent, 2.0 parts of defoamer and 17 parts of deionized water.

[0026] The antirust pigment is zinc phosphate.

[0027] The dispersant is triethylhexyl phosphoric acid.

[0028] The film-forming aid is selected from propylene glycol methyl ether acetate.

[0029] The leveling agent is ethylene glycol monobutyl ether.

[0030] The defoamer is polyoxypropylene glyceryl ether.

[0...

Embodiment 2

[0039] A water-based coating for automobile chassis protection, which is composed of the following raw material components in parts by mass: 60 parts of water-soluble epoxy acrylic resin, 35 parts of polyacrylate emulsion, 15 parts of zinc isooctanoate, 10 parts of sodium alginate, six sub- 12 parts of methyl diisocyanate, 12 parts of nano-silicon carbide, 15 parts of talc powder, 15 parts of hydroxyethyl methacrylate phosphate, 10 parts of tourmaline powder, 8.5 parts of negative ion powder, 5 parts of antirust pigment, 1.6 parts of dispersant , 1.8 parts of film-forming aid, 2.2 parts of leveling agent, 1.8 parts of defoamer and 20 parts of deionized water.

[0040] Zinc yellow is selected as the anti-rust pigment.

[0041] The dispersant is fatty acid polyethylene glycol ester.

[0042] The film-forming aid is selected from propylene glycol methyl ether acetate.

[0043] The leveling agent is acrylic acid copolymer.

[0044] The defoamer is polyoxyethylene polyoxypropylene...

Embodiment 3

[0053] A water-based coating for automobile chassis protection, which is composed of the following raw material components in parts by mass: 75 parts of water-soluble epoxy acrylic resin, 38 parts of polyacrylate emulsion, 20 parts of zinc isooctanoate, 12 parts of sodium alginate, six sub- 18 parts of methyl diisocyanate, 13 parts of nano-silicon carbide, 20 parts of talcum powder, 17 parts of hydroxyethyl methacrylate phosphate, 15 parts of tourmaline powder, 9 parts of negative ion powder, 7 parts of anti-rust pigment, 1.7 parts of dispersant , 2.4 parts of film-forming aid, 2.4 parts of leveling agent, 2.5 parts of defoamer and 23 parts of deionized water.

[0054] The antirust pigment is zinc phosphate.

[0055] The dispersant is triethylhexyl phosphoric acid.

[0056] The film-forming aid is selected from propylene glycol methyl ether acetate.

[0057] The leveling agent is ethylene glycol monobutyl ether.

[0058] The defoamer is polyoxypropylene glyceryl ether.

[...

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Abstract

The invention relates to the technical field of paint preparation, in particular to waterborne paint for car chassis protection and a preparation method thereof. The waterborne paint comprises water-soluble epoxy acrylic resin, polyacrylate emulsion, zinc isoocatanoate, sodium alginate, hexamethylene diisocyanate, nano silicon carbide, talcum powder, hydroxyethyl methacrylate phosphate, tourmalinepowder, anion powder, antirust pigment, a dispersing agent, a film forming agent, a levelling agent, a defoaming agent and deionized water. The waterborne paint and the preparation method thereof have the advantages that the prepared paint is good in corrosion resistance; the hydroxyethyl methacrylate phosphate, the epoxy acrylic resin and the hexamethylene diisocyanate are allowed to have crosslinking reaction under the effect of potassium persulfate to generate a stable three-dimensional network structure, the hydroxyethyl methacrylate phosphate, the epoxy acrylic resin and the hexamethylene diisocyanate are connected through covalent bonds, the adhesive force of the paint to metal is evidently enhanced by grafting the hydroxyethyl methacrylate phosphate, and paint film falling off canbe reduced.

Description

technical field [0001] The invention relates to the technical field of paint preparation, in particular to a water-based paint for automobile chassis protection and a preparation method thereof. Background technique [0002] Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with or without adding pigments, fillers, adding The corresponding additives are viscous liquids prepared with organic solvents or water. The authoritative book "Painting Technology" in the Chinese coatings industry defines: "Painting is a material that can be coated on the surface of an object by different construction techniques to form a solid adhesion, a certain strength, and a continuous state. Thin film. The film formed in this way is commonly called coating film, also known as paint film or coating.” In the early days, most of the paints used vegetable oi...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D133/08C09D5/08C09D5/14C09D7/63C09D7/61C09D7/65
Inventor 向德志杨磊
Owner GUANGZHOU JIAJIE MACHINERY EQUIP
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