CN104109450B - A kind of Graphene anti-corrosive powder paint and preparation method thereof - Google Patents
A kind of Graphene anti-corrosive powder paint and preparation method thereof Download PDFInfo
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- CN104109450B CN104109450B CN201410377861.1A CN201410377861A CN104109450B CN 104109450 B CN104109450 B CN 104109450B CN 201410377861 A CN201410377861 A CN 201410377861A CN 104109450 B CN104109450 B CN 104109450B
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Abstract
The present invention relates to a kind of Graphene anti-corrosive powder paint, the mass fraction of its each component consists of: epoxy resin 25 70 parts, 25 70 parts of polyester resin, titanium dioxide 5 40 parts, 5 40 parts of barium sulfate, auxiliary agent 3 10 parts, Graphene 0.5 10 parts, and remaining is other pigment.This powdery paints has excellent antiseptic property, and the upper powder penetration power of powder is good, and surface scratch resistance reaches more than 2H.And preparation technology is simple, coating process is convenient, excellent combination property.
Description
Technical field
The invention belongs to paint field, relate to a kind of anti-corrosive powder paint and preparation technology thereof, be specifically related to
Mixture to Graphene and epoxy resin, polyester resin etc..
Background technology
Metal erosion not only brings loss economically to the mankind, and is unfavorable for the guarantor of natural resources and enviroment
Protect and sometimes even jeopardize personal safety.In order to prevent and slow down corrosion, open in production practices and scientific experiment
Many anti-corrosion methods are sent out.Wherein convenient, economical with coating protection, thus obtain and widely should
With.
Chinese patent CN103589281A discloses a kind of improved metal anti-corrosive paint, by mass percentage
Content is composed of the following components: GHNK high temperature resistant binder 30-40 part, polyaniline/graphene composite material
For 15-20 part, coloring pigment is 15-20 part, and superfine talcum powder is 5-10 part, and ultrafine mica powder is 5-10
Part, kaolin is 5-10 part, and SN-612 levelling agent is 0.2-0.5 part, and wetting agent X-405 is 0.3-0.5
Part, dimethylethanolamine is 0.1-0.3 part, and preservative 981 is 0.1-0.3 part, GHP101 thickener
For 0.5-1 part, tributyl phosphate is 0.1-0.3 part, and water is 4-13 part.The coating tool that this invention prepares
Have splendid waterproof anti-corrosion, high temperature resistant, alkali resistance, weatherability, scrub resistance and artificial ageing resistance etc.
Advantage, it is possible to achieve the passivation of metal base and inhibition, avoids the chromium etc. that can cause environmental pollution simultaneously
The use of heavy metal.But its main component polyaniline/graphene composite material complicated process of preparation, and main
The characteristics such as to be utilized is polyaniline high conductivity, raw material is cheap, be readily synthesized, but research shows polyaniline
The antisepsis do not mutually promoted with Graphene, polyaniline and Graphene do not realize its real work
With.
Chinese patent CN103265881A discloses a kind of high-temperature resistant anti-corrosive comprising poly-aryl organic siliconresin
Coating, is made up of according to weight ratio following component: poly-aryl organic siliconresin 40～50 parts, para hydroxybenzene
Formic acid ethylene oxidic ester 20～30 parts, acrylic resin 5～10 parts, mica powder 10～15 parts, Graphene
10～15 parts, ethyl acetate 5～10 parts, diluent 10～20 parts；Diluent is butanol or dimethylbenzene.
The anticorrosive paint made can reach 400～500 DEG C with tolerable temperature, has good antiseptic effect simultaneously.
Peace but improved method relates to substantial amounts of dimethylbenzene as solvent, to the pollution of environment and coating decoration people
Congruence has very big harm.
Content of the invention
The invention aims to overcome some shortcoming and defect of existing Graphene coating, use simplicity side
Formula realize important function in anticorrosive paint for the Graphene.
The present invention is achieved by the following technical solutions:
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
20-50 part, polyester resin 20-50 part, titanium dioxide 5-30 part, barium sulfate 5-26 part, auxiliary agent 2-10
Part, Graphene 0.5-5 part, colorant 0-4 part.
Further, a kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent:
Epoxy resin 25-30 part, polyester resin 25-30 part, titanium dioxide 10-30 part, barium sulfate 10-26 part,
Auxiliary agent 3-5 part, Graphene 1-3 part, colorant 1-2 part.
Further, a kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent:
Epoxy resin 28 parts, 28 parts of polyester resin, titanium dioxide 10-26 part, barium sulfate 10-26 part, auxiliary agent
3-5 part, Graphene 1-3 part, colorant 1-2 part.
Described polyester resin is selected from the group of one or more in saturated polyester resin or unsaturated polyester resin
Close.
Described Graphene be the Graphene of eigenstate, graphene oxide, the functionalization graphene of remodeling or its
Mixture.
The functionalization graphene of described remodeling is the Graphene that surface contains amino, sulfydryl or similar functions group.
Described auxiliary agent is levelling agent, degasser, dispersant, modifying agent, toughener, antioxidant, promotion
One or more combinations in agent, fluffy powder or UV absorbers.
Described colorant is one or both combinations in dyestuff or pigment.
The preparation method of a kind of Graphene anti-corrosive powder paint, comprises the following steps:
First, prepare Graphene auxiliary agent, Graphene and epoxy resin are stirred being blended, to guarantee mixing
Full and uniform and dispersion；
Secondly, extrusion after in proportion the component preparing Graphene being carried out being blended；
Finally, compressing tablet is carried out, abrasive material, separate and prepare finished product.
The invention has the beneficial effects as follows:
The present invention uses Graphene to be directly blended and is incorporated in epoxy resin, obtains a kind of etch-proof powder and applies
Material, combines the advantage in construction and environmental sound for the powdery paints.
Utilize graphene dispersion can form similar labyrinth-like structure in the coating, so that permeability factor oozes
Resistance to substrate surface increases thoroughly, substantially increases the Corrosion Protection of this coating.
Brief description
Fig. 1 is salt spray test contrast picture.
Detailed description of the invention
Describing technical scheme by the following examples in detail, below example is only exemplary
, it is only capable of for explaining and illustrate technical scheme, and be not to be construed as to the technology of the present invention side
The restriction of case.
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
20-50 part, polyester resin 20-50 part, titanium dioxide 5-30 part, barium sulfate 5-26 part, auxiliary agent 2-10
Part, Graphene 0.5-5 part, colorant 0-4 part.
In this application, polyester resin is selected from the one or many in saturated polyester resin or unsaturated polyester resin
The combination planted.Selection to polyester resin, those skilled in the art can determine according to actual conditions.
Graphene is the Graphene of eigenstate, graphene oxide, the functionalization graphene of remodeling or its mixing
Thing.The functionalization graphene of described remodeling is the Graphene that surface contains amino, sulfydryl or similar functions group.
Described auxiliary agent is levelling agent, degasser, dispersant, modifying agent, toughener, antioxidant, promotion
One or more combinations in agent, fluffy powder or UV absorbers.In this application, above-mentioned auxiliary agent is equal
For prior art, and being used in as required in powdery paints, therefore, the concrete structure of each auxiliary agent is in this Shen
It is not described in detail in please.
Described colorant is one or both combinations in dyestuff or pigment.In this application, the look face kind of dyestuff
Class is prior art, and the species of pigment is also prior art, as those skilled in the art as required, logical
Cross that to carry out joining the color obtaining to one or more of dyestuff or pigment be not the model that this application claims
Enclose, i.e. the powdery paints of the application can be any color.
The preparation method of a kind of Graphene anti-corrosive powder paint, comprises the following steps:
First, prepare Graphene auxiliary agent, Graphene and epoxy resin are stirred being blended, to guarantee mixing
Full and uniform and dispersion；
Secondly, extrusion after in proportion the component preparing Graphene being carried out being blended；
Finally, compressing tablet is carried out, abrasive material, separate and prepare finished product.
The component proportion of Graphene anti-corrosive powder paint is joined according to above-mentioned Graphene anti-corrosive powder paint composition
Ratio, in present embodiments, in addition to the component proportion of Graphene anti-corrosive powder paint is different,
Preparation method is all identical, therefore, in the following embodiment of the application, just no longer individually introduces preparation side
Method.
Embodiment 1
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
28 parts, 28 parts of polyester resin, titanium dioxide 10 parts, 26 parts of barium sulfate, auxiliary agent 5 parts, Graphene 2 parts,
1 part of colorant.
Graphene and epoxy resin are carried out be stirred vigorously blended, to guarantee full and uniform and dispersion, then enter
The preparation technology of row powdery paints, first carries out blending extrusion according to aforementioned proportion, then compressing tablet, segmentation from,
The operations such as inspection, metering, packaging, obtain finished product graphene powder coating.
Embodiment 2
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
28 parts, 28 parts of polyester resin, titanium dioxide 26 parts, 10 parts of barium sulfate, auxiliary agent 4 parts, Graphene 2 parts,
2 parts of colorant.
Embodiment 3
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
20 parts, 50 parts of polyester resin, titanium dioxide 5 parts, 17 parts of barium sulfate, auxiliary agent 2 parts, Graphene 4 parts,
2 parts of colorant.
Embodiment 4
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
50 parts, 23 parts of polyester resin, titanium dioxide 17 parts, 5 parts of barium sulfate, auxiliary agent 2 parts, Graphene 1 part,
2 parts of colorant.
Embodiment 5
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
25 parts, 30 parts of polyester resin, titanium dioxide 20 parts, 15 parts of barium sulfate, auxiliary agent 5 parts, Graphene 3 parts,
2 parts of colorant.
Embodiment 6
A kind of Graphene anti-corrosive powder paint, composed of the following components according to mass percent: epoxy resin
30 parts, 30 parts of polyester resin, titanium dioxide 17 parts, 15 parts of barium sulfate, auxiliary agent 5 parts, Graphene 1 part,
2 parts of colorant.
Above-described embodiment is passed through salt spray test, as it is shown in figure 1, wherein comparative sample 1 is not for adding stone
Dim alkene coating, the amount that another two sample is selection addition Graphene is the sample 2 of 1% and and adds Graphene
Amount be 2% the salt spray test photo of sample 3, can be obtained by Fig. 1, add Graphene to have
, without destroyed part, there is not corrosion phenomenon in the suppression diffusion at cut for the coating corrosion of effect.
While there has been shown and described that embodiment of the present utility model, for those of ordinary skill in the art
For, it is possible to understand that can be to these embodiments in the case of without departing from principle of the present utility model and spirit
Carry out multiple change, modification, replacement and modification, scope of the present utility model by claims and etc.
With restriction.
Claims (3)
1. a Graphene anti-corrosive powder paint, it is characterised in that: in parts by weight by following components
Composition: epoxy resin 20 parts, 50 parts of polyester resin, titanium dioxide 5 parts, 17 parts of barium sulfate, auxiliary agent 2
Part, Graphene 4 parts, 2 parts of colorant；
Described Graphene is the Graphene of eigenstate, the functionalization graphene of remodeling or its mixture；
The functionalization graphene of described remodeling is the Graphene that surface contains amino, sulfydryl.
2. Graphene anti-corrosive powder paint according to claim 1, it is characterised in that: described auxiliary agent
For levelling agent, degasser, dispersant, modifying agent, toughener, antioxidant, accelerator, fluffy powder or
One or more combinations in UV absorbers.
3. the preparation method of Graphene anti-corrosive powder paint according to claim 1 and 2, its feature
It is: comprise the following steps:
First, Graphene and epoxy resin are stirred being blended, to guarantee to mix full and uniform and dispersion,
Obtain Graphene auxiliary agent；
Secondly, by Graphene auxiliary agent and the ratio by each component in any one of the claims 1 to 2 of preparation
Extrusion after remaining component carries out being blended after example removing Graphene and epoxy resin；
Finally, compressing tablet is carried out, abrasive material, separate and prepare finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410377861.1A CN104109450B (en) | 2014-08-01 | 2014-08-01 | A kind of Graphene anti-corrosive powder paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410377861.1A CN104109450B (en) | 2014-08-01 | 2014-08-01 | A kind of Graphene anti-corrosive powder paint and preparation method thereof |
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| CN104109450B true CN104109450B (en) | 2016-11-09 |
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Address after: 315145 Zhejiang city of Ningbo province Yinzhou District Liansheng Road Economic Development Zone No. 258 Applicant after: Ningbo Partner Powder Coatings Co., Ltd. Address before: 315145 Zhejiang city of Ningbo province Yinzhou District Binhai investment center Liansheng Road No. 258 Applicant before: Ningbo Partner Powder Coatings Co.,Ltd. |
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