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Environmentally-friendly metal primer

A metal and primer technology, applied in epoxy resin coatings, coatings, anti-corrosion coatings, etc., can solve the problems of environmental protection and poor anti-rust performance of anti-rust primer, and improve the anti-rust function, process formula and Simple process effect

Inactive Publication Date: 2018-11-13
合肥炫升环保材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides an environmentally friendly metal primer, which solves the problems that most antirust primers are not conducive to environmental protection and poor antirust performance, and also solves the problem of graphite dispersion stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of environment-friendly metallic primer comprises the steps:

[0025] (1) Add 10 parts of 200 mesh graphite to 100 parts of water, stir at 1200r / min, add 3 parts of sodium carboxymethylcellulose, and continue stirring to prepare graphite solution A;

[0026] (2) Add 20 parts of epoxy resin, 15 parts of polyethylene glycol modified amino resin, and 2 parts of polyacrylic acid polydimethylsiloxane into 40 parts of ethanol, stir at 1000r / min until the solid dissolves, and then add 0.5 1 part of zinc yellow, 5 parts of 100 mesh carbon black and 3 parts of 800 mesh fumed silica, and continue to stir evenly to prepare solution B;

[0027] (3) Under the stirring condition of 1500r / min, slowly add solution A to solution B, stir evenly, and prepare slurry;

[0028] (4) The slurry is ground and filtered to obtain a primer.

Embodiment 2

[0030] A kind of preparation method of environment-friendly metallic primer comprises the steps:

[0031] (1) Add 15 parts of 500 mesh graphite to 110 parts of water, stir at 1400r / min, add 4 parts of sodium carboxymethyl cellulose, continue stirring to prepare graphite solution A;

[0032] (2) Add 25 parts of epoxy resin, 20 parts of polyethylene glycol modified amino resin, and 3 parts of polyacrylic acid polydimethylsiloxane into 50 parts of ethanol, stir at 1000r / min until the solid dissolves, and then add 1 Part zinc yellow, 8 parts of 200 mesh carbon black and 4 parts of 1000 mesh fumed silica, continue to stir to prepare solution B evenly;

[0033] (3) Under the stirring condition of 1500r / min, slowly add solution A to solution B, stir evenly, and prepare slurry;

[0034] (4) The slurry is ground and filtered to obtain a primer.

Embodiment 3

[0036] A kind of preparation method of environment-friendly metallic primer comprises the steps:

[0037] 20-30 parts of epoxy resin, 15-30 parts of polyethylene glycol modified amino resin, 10-20 parts of graphite, 3-5 parts of sodium carboxymethyl cellulose, 0.5-2 parts of zinc yellow, 3-5 parts of polyacrylic acid 5-10 parts of carbon black, 2-5 parts of polydimethylsiloxane, 3-5 parts of fumed silica, 100-120 parts of water, and 40-60 parts of ethanol.

[0038] (1) Add 20 parts of 500 mesh graphite to 120 parts of water, stir at 1500r / min, add 5 parts of sodium carboxymethyl cellulose, continue stirring to prepare graphite solution A;

[0039] (2) Add 30 parts of epoxy resin, 30 parts of polyethylene glycol modified amino resin, and 5 parts of polyacrylic acid polydimethylsiloxane into 60 parts of ethanol, stir at 1000r / min until the solid dissolves, and then add 2 1 part of zinc yellow, 10 parts of 300 mesh carbon black and 5 parts of 1000 mesh fumed silica, and continue...

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PUM

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Abstract

The invention discloses an environmentally-friendly metal primer. A preparation method of the metal primer includes: (1) adding graphite to water, stirring at 1200-1500r / min, adding sodium carboxymethyl cellulose and continuing to stir to prepare a graphite solution A; (2) adding epoxy resin, polyethylene glycol modified amino resin and polyacrylic acid polydimethylsiloxane to ethanol, stirring at1000r / min till the solid dissolves, then adding zinc yellow, carbon black and fumed silica and continuing stirring evenly to prepare a solution B; (3) adding the solution A slowly to the solution B under the stirring condition of 1500r / min and stirring uniformly to prepare slurry; (4) grinding and filtering the slurry to obtain the primer. The primer has simple process, the adopted solvents are environmentally friendly, the graphite and the zinc yellow in the process formula achieve an anti-corrosive effect, and the graphite has good dispersion stability. The prepared primer is an effective anti-corrosive primer, and can be widely applied to the field of metal corrosion prevention.

Description

technical field [0001] The invention relates to the technical field of environmental protection paint, in particular to an environmental protection metal primer. Background technique [0002] In addition to the basic performance of the primer, the antirust primer can also protect the metal from natural medium corrosion. Traditional antirust primers contain a large amount of heavy metals such as lead and hexavalent chromium, which are not suitable for the human body and the environment, so their use is limited. Therefore, it is necessary to prepare environmentally friendly and effective antirust primers. [0003] Graphite is crystalline carbon of the hexagonal system, chemically inert, has good electrical and thermal conductivity, high corrosion resistance and thermal stability, and is widely used in refractory materials, ceramics, coatings and other industries. Therefore, the metal primer prepared with graphite should have good acid, alkali, chemical and solvent corrosion ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D161/32C09D5/08C09D7/61C09D7/65
CPCC09D163/00C08K2201/003C08K2201/014C08L2201/08C08L2205/035C09D5/084C09D5/18C09D7/61C09D7/65C09D161/32C08L61/32C08L83/10C08L1/286C08K3/04C08K3/36C08L33/02C08L83/04C08L63/00
Inventor 董成
Owner 合肥炫升环保材料科技有限公司
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