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A weather-resistant and anti-fading organic coating for color steel plates

An organic coating and anti-fading technology, applied in the direction of coating, etc., can solve the problems that the durability cannot meet the high requirements, the scope of application and selectivity are narrow, and the cost of color steel plate is increased, so as to maintain the non-fading and adhesion fastness Good, dense coating effect

Active Publication Date: 2016-09-28
SHANDONG HUIJIN COLOR STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Color steel plate refers to color-coated steel plate, which is a steel plate with an organic coating. The color steel plate in the prior art uses weather-resistant and anti-fading organic coatings, and the base materials selected are mostly weather-resistant polyester and thermosetting fluorocarbon resin. , acrylic resin and thermoplastic PVDF fluoropolymer, the scope of application and selectivity are relatively narrow, especially after long-term use of domestic coatings, the coating layer will fall off, crack and fade, and cannot meet the high requirements in terms of durability. Relying on expensive imported coatings increases the cost of color steel plates, reduces market competitiveness, and hinders the development of color steel plates in China

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The weather-resistant and anti-fading organic coating composition for color steel plate of the present embodiment comprises the raw material composition of following parts by weight:

[0031] Polyacrylic resin 25 parts,

[0032] 20 parts of polyvinylidene fluoride resin,

[0033] 3 parts polymethicone,

[0034] 5 parts of titanium dioxide,

[0035] Aluminum powder 5 parts,

[0036] 2 parts graphite powder,

[0037] Leveling agent 2 parts,

[0038] Ti 2 AlC / TiAl composite material 4 parts,

[0039] 0.5 parts of organic bentonite,

[0040] Stabilizer 0.5 part,

[0041] Dispersant 0.2 part,

[0042] 0.5 part of defoamer,

[0043] 30 parts of solvent.

[0044] In this embodiment, the leveling agent is polydimethylsiloxane, the stabilizer is lead stearate, the dispersant is methyl methacrylate, the defoamer is polyethylene glycol ether, and the solvent is ethyl acetate.

Embodiment 2

[0046] The weather-resistant and anti-fading organic coating composition for color steel plate of the present embodiment comprises the raw material composition of following parts by weight:

[0047] 35 parts of polyacrylic resin,

[0048] 30 parts of polyvinylidene fluoride resin,

[0049] 5 parts of polymethylsiloxane,

[0050] 8 parts of titanium dioxide,

[0051] 7 parts aluminum powder,

[0052] 3 parts graphite powder,

[0053] Leveling agent 3 parts,

[0054] Ti 2 AlC / TiAl composite material 5 parts,

[0055] 2 parts organic bentonite,

[0056] 1 part stabilizer,

[0057] 1 part of dispersant,

[0058] 1 part of defoamer,

[0059] 40 parts of solvent.

[0060] In this embodiment, the leveling agent is polyether-modified polysiloxane, the stabilizer is calcium stearate, the dispersant is polyacrylamide, the defoamer is polyoxypropylene glyceryl ether, and the solvent is butyl acetate.

Embodiment 3

[0062] The weather-resistant and anti-fading organic coating composition for color steel plate of the present embodiment comprises the raw material composition of following parts by weight:

[0063] 30 parts of polyacrylic resin,

[0064] 28 parts of polyvinylidene fluoride resin,

[0065] 4 parts polymethicone,

[0066] 7 parts of titanium dioxide,

[0067] Aluminum powder 6 parts,

[0068] 2 parts graphite powder,

[0069] Leveling agent 3 parts,

[0070] Ti 2 AlC / TiAl composite material 6 parts,

[0071] 1 part organic bentonite,

[0072] Stabilizer 0.8 part,

[0073] Dispersant 0.5 part,

[0074] 0.8 part of defoamer,

[0075] 35 parts of solvent.

[0076] In this embodiment, the leveling agent is polyether modified silicone oil, the stabilizer is lead stearate, the dispersant is methyl methacrylate, the defoamer is polyoxypropylene glyceryl ether, and the solvent is xylene.

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Abstract

The invention provides a weather-resistant fadeproof organic paint for colored steel plates, which is characterized by comprising the following raw materials in parts by weight: 20-35 parts of polyacrylic resin, 20-30 parts of polyvinylidene fluoride resin, 3-5 parts of polymethyl siloxane, 5-8 parts of titanium white, 5-8 parts of aluminum powder, 2-3 parts of graphite powder, 2-3 parts of leveling agent, 4-6 parts of Ti2AlC / TiAl composite material, 0.5-2 parts of organobentonite, 0.5-1 part of stabilizer, 0.2-1 part of dispersing agent, 0.5-1 part of defoaming agent and 30-40 parts of solvent. The paint has the advantages of high coating adhesion firmness, high flexibility, high binding force, high impact resistance, high acid / alkali resistance, high aging resistance, high glossiness, high curing rate, high water resistance, high durability, high compatibility, favorable weather resistance, small influence of film thickness difference on color difference, and the like, and thus, is a weather-resistant fadeproof organic paint for colored steel plates with excellent comprehensive properties.

Description

technical field [0001] The invention belongs to the field of coatings for color steel plates, in particular to a weather-resistant and anti-fading organic coating for color steel plates. Background technique [0002] Coatings used outdoors must withstand the test of climate, such as comprehensive damage caused by light, cold and heat, wind and rain, bacteria, etc., and its tolerance is weather resistance. With the development of society and technological progress, the requirements for the decoration, weather resistance, chemical resistance, water resistance and stain resistance of coatings are getting higher and higher. Color steel plate refers to color-coated steel plate, which is a steel plate with an organic coating. The color steel plate in the prior art uses weather-resistant and anti-fading organic coatings, and the base materials selected are mostly weather-resistant polyester and thermosetting fluorocarbon resin. , acrylic resin and thermoplastic PVDF fluoropolymer,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/02C09D127/16C09D183/04C09D7/12
Inventor 高鹏文张剑锋
Owner SHANDONG HUIJIN COLOR STEEL
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