CN109880414A - A kind of preparation method of chromium plating stainless steel surface anti-fingerprint paint - Google Patents
A kind of preparation method of chromium plating stainless steel surface anti-fingerprint paint Download PDFInfo
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- CN109880414A CN109880414A CN201910137656.0A CN201910137656A CN109880414A CN 109880414 A CN109880414 A CN 109880414A CN 201910137656 A CN201910137656 A CN 201910137656A CN 109880414 A CN109880414 A CN 109880414A
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- stainless steel
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- chromium plating
- steel surface
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Abstract
This application discloses a kind of preparation methods of chromium plating stainless steel surface anti-fingerprint paint, the modified gas phase sio2 in surface is added to after being uniformly dispersed in solvent, after successively base resin, modified resin, crosslinking agent, catalyst are mixed, it is eventually adding self-control moistening flatting agent, chromium plating stainless steel surface anti-fingerprint paint is made.The advantage of the invention is that can significantly improve coating can can't be affected to the adhesive force of plating straight-chromiun stainless steel, the performance of itself such as hardness, three proofings and fingerprint resistance.
Description
Technical field
The present invention relates to stainless steel surfaces to protect field, in particular to a kind of system of chromium plating stainless steel surface anti-fingerprint paint
Preparation Method.
Background technique
With the quickening of urban development progress, the change of design concept, house decoration, household appliance appearance etc. to it is high-grade not
The demand of rust steel ornament materials is increasing.
The decoration of traditional stainless steel mainly using the true qualities of stainless steel, the modes such as is etched, polishes on surface and obtain
Certain texture, decorative effect color is single, and class sense is insufficient；And it is commonly difficult in the mode of stainless steel surface coat coating
It is easy to cover stainless steel itself texture, it is difficult to reach the unified effect of texture color.
And the stainless steel surface chromium plating of current rise, titanizing technology can be in the covering of stainless steel surface uniformly, fine and smooth
One layer of colour coating, not only color shade degree is good, will not cover stainless steel texture, and greatly improves the corrosion-resistant of stainless steel
Property；But this coating surface compatibility is poor, and traditional stainless steel anti-fingerprint paint and its poor adhesive force are being processed in stainless steel,
The problems such as being easy to produce cracking in impact, bending process, falling off.
In view of the above problems, the present invention reduces coating by introducing flexible resin on the basis of traditional stainless steel coating
The rigidity of segment, while coating is improved to the wellability of coating stainless steel, to improve the adhesive force to coating；And in coating
Middle introducing modified white carbon black overcomes the influence for introducing flexible resin to coating hardness, protective performance.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of chromium plating stainless steel surface anti-fingerprint paint, can obviously mention
To the adhesive force of plating straight-chromiun stainless steel, the performance of itself such as hardness, three proofings and fingerprint resistance can can't be affected high coating.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of preparation method of chromium plating stainless steel surface anti-fingerprint paint, successively includes as follows
Step:
S1 prepares raw material: the fumed silica of 1-4 mass fraction, the base resin of 30-45 mass fraction, 5-10 mass
The modified resin of number, the crosslinking agent of 10-20 mass fraction, the dimethyl silicone polymer of 2-6 mass fraction, 1-1.5 mass parts
Several polyethylene glycol oxide alkanisation ether, the glycerine of 3-6 mass fraction, the n-butanol of 20-30 mass fraction, 10-15 mass fraction
Ethyl alcohol, the silane coupling agent of 0.2-0.5 mass fraction, 3-5 mass fraction water；
Above-mentioned fumed silica is added in above-mentioned ethyl alcohol and water mixed liquid by S2 under high speed dispersion, and above-mentioned silicon is added
Alkane coupling agent is warming up to 50 DEG C of dispersion 10min with salt acid for adjusting pH between 3-4；
Above-mentioned dimethyl silicone polymer, polyethylene glycol oxide alkanisation ether are dissolved in above-mentioned glycerine by S3, high speed dispersion
15min obtains moistening flatting agent；
The obtained modification liquid of step S2 is added in above-mentioned n-butanol by S4, is successively slowly added under low speed dispersion above-mentioned
Base resin, modified resin, crosslinking agent and catalyst stir 20min, then improve revolving speed to 1000r/min addition step
The moistening flatting agent of S3 preparation, disperses 20min, obtains chromium plating stainless steel surface anti-fingerprint paint.
Preferably, in the preparation method of above-mentioned chromium plating stainless steel surface anti-fingerprint paint, in the step S2 and S3, institute
The revolving speed for stating high speed dispersion is 5000r/min.
Preferably, described low in the step S4 in the preparation method of above-mentioned chromium plating stainless steel surface anti-fingerprint paint
The revolving speed of speed dispersion is 1000r/min.
Preferably, in the preparation method of above-mentioned chromium plating stainless steel surface anti-fingerprint paint, the base resin is propylene
Acid ester resin, viscosity are 2000-3000mPa.s/25 DEG C, acid value≤8mgKOH/g, degree of functionality≤2.
Preferably, in the preparation method of above-mentioned chromium plating stainless steel surface anti-fingerprint paint, the modified resin is ring
Oxygen resin, epoxide equivalent 200-250g/eq.
Preferably, in the preparation method of above-mentioned chromium plating stainless steel surface anti-fingerprint paint, the crosslinking agent is described
The oligomer and divinylbenzene of base resin or the mixture of N,N methylene bis acrylamide.
The present invention has the advantages that coating can be significantly improved to the adhesive force of plating straight-chromiun stainless steel, the performance of itself is for example hard
Degree, three proofings and fingerprint resistance can can't be affected.
Specific embodiment
The preparation method of chromium plating stainless steel surface anti-fingerprint paint is illustrated below in conjunction with embodiment.
Embodiment 1:
S1 prepares raw material: the fumed silica of 1 mass fraction, 30 mass fractions acrylate (viscosity is
2000mPa.s/25 DEG C, acid value 6mgKOH/g, degree of functionality 1), the epoxy resin (epoxide equivalent 200g/eq) of 5 mass fractions, 10
The crosslinking agent (divinylbenzene of acrylate oligomer, 7 mass fractions including 3 mass fractions) of mass fraction, 2 mass parts
Several dimethyl silicone polymer, the polyethylene glycol oxide alkanisation ether of 1 mass fraction, the glycerine of 3 mass fractions, 20 mass fractions
N-butanol, the ethyl alcohol of 10 mass fractions, the silane coupling agent of 0.2 mass fraction, 3 mass fractions water；
Above-mentioned fumed silica is added to above-mentioned ethyl alcohol and water mixed liquid at high speed dispersion (5000r/min) by S2
In, above-mentioned silane coupling agent is added, with salt acid for adjusting pH to 3, is warming up to 50 DEG C of dispersion 10min；
Above-mentioned dimethyl silicone polymer, polyethylene glycol oxide alkanisation ether are dissolved in above-mentioned glycerine by S3, high speed dispersion
(5000r/min) 15min, obtains moistening flatting agent；
The obtained modification liquid of step S2 is added in above-mentioned n-butanol by S4, successively in the case where low speed disperses (1000r/min)
It is slowly added to above-mentioned acrylate, epoxy resin, crosslinking agent and catalyst, stirs 20min, then improves revolving speed extremely
The moistening flatting agent of step S3 preparation is added in 1000r/min, disperses 20min, obtains chromium plating stainless steel surface anti-fingerprint paint.
Embodiment 2
S1 prepares raw material: the fumed silica of 2 mass fractions, 40 mass fractions acrylate (viscosity is
2000mPa.s/25 DEG C, acid value 6mgKOH/g, degree of functionality 1), the epoxy resin (epoxide equivalent 250g/eq) of 7 mass fractions, 15
Crosslinking agent (N of acrylate oligomer, 10 mass fractions including 5 mass fractions, the N- methylene bisacrylamide acyl of mass fraction
Amine), the dimethyl silicone polymer of 4 mass fractions, the polyethylene glycol oxide alkanisation ether of 1.5 mass fractions, 5 mass fractions the third three
Alcohol, the n-butanol of 25 mass fractions, the ethyl alcohol of 13 mass fractions, the silane coupling agent of 0.4 mass fraction, 4 mass fractions water；
Above-mentioned fumed silica is added to above-mentioned ethyl alcohol and water mixed liquid at high speed dispersion (5000r/min) by S2
In, above-mentioned silane coupling agent is added, with salt acid for adjusting pH to 3, is warming up to 50 DEG C of dispersion 10min；
Above-mentioned dimethyl silicone polymer, polyethylene glycol oxide alkanisation ether are dissolved in above-mentioned glycerine by S3, high speed dispersion
(5000r/min) 15min, obtains moistening flatting agent；
The obtained modification liquid of step S2 is added in above-mentioned n-butanol by S4, successively in the case where low speed disperses (1000r/min)
It is slowly added to above-mentioned acrylate, epoxy resin, crosslinking agent and catalyst, stirs 20min, then improves revolving speed extremely
The moistening flatting agent of step S3 preparation is added in 1000r/min, disperses 20min, obtains chromium plating stainless steel surface anti-fingerprint paint.
Embodiment 3
S1 prepares raw material: the fumed silica of 4 mass fractions, 45 mass fractions acrylate (viscosity is
2000mPa.s/25 DEG C, acid value 6mgKOH/g, degree of functionality 2), the epoxy resin (epoxide equivalent 250g/eq) of 10 mass fractions, 20
Crosslinking agent (N of acrylate oligomer, 13 mass fractions including 7 mass fractions, the N- methylene bisacrylamide acyl of mass fraction
Amine), the dimethyl silicone polymer of 6 mass fractions, the polyethylene glycol oxide alkanisation ether of 1.5 mass fractions, 6 mass fractions the third three
Alcohol, the n-butanol of 30 mass fractions, the ethyl alcohol of 15 mass fractions, the silane coupling agent of 0.5 mass fraction, 5 mass fractions water；
Above-mentioned fumed silica is added to above-mentioned ethyl alcohol and water mixed liquid at high speed dispersion (5000r/min) by S2
In, above-mentioned silane coupling agent is added, with salt acid for adjusting pH to 3, is warming up to 50 DEG C of dispersion 10min；
Above-mentioned dimethyl silicone polymer, polyethylene glycol oxide alkanisation ether are dissolved in above-mentioned glycerine by S3, high speed dispersion
(5000r/min) 15min, obtains moistening flatting agent；
The obtained modification liquid of step S2 is added in above-mentioned n-butanol by S4, successively in the case where low speed disperses (1000r/min)
It is slowly added to above-mentioned acrylate, epoxy resin, crosslinking agent and catalyst, stirs 20min, then improves revolving speed extremely
The moistening flatting agent of step S3 preparation is added in 1000r/min, disperses 20min, obtains chromium plating stainless steel surface anti-fingerprint paint.
Above-described embodiment is applied to chromium plating stainless steel surface, is compared with traditional coating, performance indicator such as following table institute
Show:
The present invention can significantly improve coating to the adhesive force of plating straight-chromiun stainless steel, the performance of itself such as hardness, three proofings and anti-
Fingerprint performance can't be affected.
This embodiment is just an exemplary description of this patent and does not limit its protection scope, and those skilled in the art are also
Local change can be carried out to it, as long as it does not exceed the essence of this patent, all be considered as the equivalent replacement to this patent, all
Within the protection scope of this patent.
Claims (6)
1. a kind of preparation method of chromium plating stainless steel surface anti-fingerprint paint, which is characterized in that in turn include the following steps:
S1 prepares raw material: the fumed silica of 1-4 mass fraction, the base resin of 30-45 mass fraction, 5-10 mass parts
Several modified resin, the crosslinking agent of 10-20 mass fraction, the dimethyl silicone polymer of 2-6 mass fraction, 1-1.5 mass fraction
Polyethylene glycol oxide alkanisation ether, the glycerine of 3-6 mass fraction, the n-butanol of 20-30 mass fraction, 10-15 mass fraction
Ethyl alcohol, the silane coupling agent of 0.2-0.5 mass fraction, 3-5 mass fraction water；
Above-mentioned fumed silica is added in above-mentioned ethyl alcohol and water mixed liquid by S2 under high speed dispersion, and above-mentioned silane is added
Coupling agent is warming up to 50 DEG C of dispersion 10min with salt acid for adjusting pH between 3-4；
Above-mentioned dimethyl silicone polymer, polyethylene glycol oxide alkanisation ether are dissolved in above-mentioned glycerine by S3, and high speed dispersion 15min is obtained
To moistening flatting agent；
The obtained modification liquid of step S2 is added in above-mentioned n-butanol by S4, is successively slowly added to above-mentioned base under low speed dispersion
Plinth resin, modified resin, crosslinking agent and catalyst stir 20min, then improve revolving speed to 1000r/min addition step S3
The moistening flatting agent of preparation disperses 20min, obtains chromium plating stainless steel surface anti-fingerprint paint.
2. the preparation method of chromium plating stainless steel surface anti-fingerprint paint according to claim 1, which is characterized in that the step
In rapid S2 and S3, the revolving speed of the high speed dispersion is 5000r/min.
3. the preparation method of chromium plating stainless steel surface anti-fingerprint paint according to claim 1, which is characterized in that the step
In rapid S4, the revolving speed of the low speed dispersion is 1000r/min.
4. the preparation method of chromium plating stainless steel surface anti-fingerprint paint according to claim 1, which is characterized in that the base
Plinth resin is acrylate, and viscosity is 2000-3000mPa.s/25 DEG C, acid value≤8mgKOH/g, degree of functionality≤2.
5. the preparation method of chromium plating stainless steel surface anti-fingerprint paint according to claim 1, which is characterized in that described
Modified resin is epoxy resin, epoxide equivalent 200-250g/eq.
6. the preparation method of chromium plating stainless steel surface anti-fingerprint paint according to claim 1, which is characterized in that described
Crosslinking agent is the oligomer of the base resin and the mixture of divinylbenzene or N,N methylene bis acrylamide.
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| CN201910137656.0A CN109880414A (en) | 2019-02-25 | 2019-02-25 | A kind of preparation method of chromium plating stainless steel surface anti-fingerprint paint |
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| CN201910137656.0A CN109880414A (en) | 2019-02-25 | 2019-02-25 | A kind of preparation method of chromium plating stainless steel surface anti-fingerprint paint |
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| CN1303421A (en) * | 1998-03-30 | 2001-07-11 | 日本帕卡濑精株式会社 | Metallic material with organic composite coating excellent in corrosion resistance and coatability and reduced in finger mark adhesion and process for producing the same |
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| WO2009072738A1 (en) * | 2007-12-05 | 2009-06-11 | Lg Electronics Inc. | Anti-fingerprint coating material for stainless steel outer case of home appliance |
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| CN103740255A (en) * | 2013-12-27 | 2014-04-23 | 上海涂料有限公司技术中心 | Aqueous colorful chromium-free anti-fingerprint coating for coating surface of metal material and construction method thereof |
| CN105400353A (en) * | 2015-12-29 | 2016-03-16 | 奎克化学（中国）有限公司 | Chromium-free fingerprint resistant liquid |
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| CN1303421A (en) * | 1998-03-30 | 2001-07-11 | 日本帕卡濑精株式会社 | Metallic material with organic composite coating excellent in corrosion resistance and coatability and reduced in finger mark adhesion and process for producing the same |
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Application publication date: 20190614 |