CN108624199A - A kind of Heat Resistant Powder Coatings and preparation method thereof - Google Patents
A kind of Heat Resistant Powder Coatings and preparation method thereof Download PDFInfo
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- CN108624199A CN108624199A CN201810576110.0A CN201810576110A CN108624199A CN 108624199 A CN108624199 A CN 108624199A CN 201810576110 A CN201810576110 A CN 201810576110A CN 108624199 A CN108624199 A CN 108624199A
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- graphene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/032—Powdery paints characterised by a special effect of the produced film, e.g. wrinkle, pearlescence, matt finish
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention relates to a kind of Heat Resistant Powder Coatings and preparation method thereof, are made of graphene modified resin, curing agent, mica powder, talcum powder, cenosphere, antifoaming agent, levelling agent, high-temperature resisting pigment and other auxiliary agents.The technical program in coating by being added cenosphere, the characteristics of using cenosphere good fluidity so that the mobile performance of Heat Resistant Powder Coatings is greatly improved, and effectively raises the high temperature resistance of powdery paints；By using graphene modified resin, especially with the graphene modified resin of different amounts, that is graphene modified epoxy and graphene modified polyester resin, so that unordered structure can be formed in the coating of coating, it can prevent reassociating for graphene, and the resistance that permeability factor penetrates into substrate surface is increased, substantially increase the Corrosion Protection of this coating.
Description
Technical field
The invention belongs to powder coating technology field, a kind of Heat Resistant Powder Coatings and preparation method thereof are particularly related to.
Background technology
Metal erosion not only brings economic loss to the mankind, but also is unfavorable for the protection of natural resources and enviroment sometimes
Even jeopardize personal safety.In order to prevent and slow down corrosion, many anticorrosion sides are developed in production practices and scientific experiment
Method.It is wherein the most convenient, economical with coating protection, thus have been widely used.
It is more for the improved technology in terms of coating in order to improve the antiseptic property of coating under circumstances, such as
The components such as graphene are added in coating, improve the performance of coating, but in the prior art, the anti-corrosive properties of coating in the high temperature environment
Big breakthrough can be never had, and uses dimethylbenzene as solvent in composition, environment is generated and pollutes and endangers construction personnel
Safety.
Invention content
The object of the present invention is to provide a kind of Heat Resistant Powder Coatings and preparation method thereof, to solve the coating of the prior art
The not high problem of corrosion resistance in the high temperature environment.
The present invention is achieved by the following technical solutions：
A kind of Heat Resistant Powder Coatings, it is composed of the following components by weight percentage：
The graphene modified resin is graphene modified epoxy and graphene modified polyester resin；
The graphene in graphene and the graphene modified polyester resin in the graphene modified epoxy is equal
For the graphene with vinyl pyrrolidone base.
Graphene with vinyl pyrrolidone base, specific preparation method are：
Monomer vinyl pyrrolones is dissolved in the vinyl pyrrole ketone ethanol solution that concentration 3%-5% is prepared in ethyl alcohol,
Hydrogen peroxide catalyzed dose and azodiisobutyronitrile initiator are added under stirring condition, graphene is added under agitation, 50
After DEG C being stirred to react 1-3 hours, the graphene with vinyl pyrrolidone base is obtained by drying.
The preparation method of graphene with vinyl pyrrolidone base is：
Monomer vinyl pyrrolones is dissolved in the vinyl pyrrole ketone ethanol solution that concentration 35%-60% is prepared in ethyl alcohol,
Hydrogen peroxide catalyzed dose and azodiisobutyronitrile initiator are added under agitation, polymerisation prepares polyethylene at 50 DEG C
The polyvinylpyrrolidine ketone of preparation is mixed and is dried with graphene by base pyrrolones, is obtained with vinyl pyrrolidone base
Graphene.
Vinyl pyrrolidone base is the 1% of the graphene of the vinyl pyrrolidone base by weight percentage.
Graphene accounts for the 1% of the graphene modified resin total weight in the graphene modified resin；The graphene
Graphene accounts for the 2% of the graphene modified polyester resin total weight in modified polyester resin.
One or more combinations of the polyester resin in saturated polyester resin or unsaturated polyester resin.
The weight ratio of graphene modified epoxy and graphene modified polyester resin is 1：3-1：5.
The cenosphere is hollow aluminosilicate microballon, Mohs' hardness 5-7.
The curing agent is triglycidyl isocyanurate.
The preparation method of any of the above-described Heat Resistant Powder Coatings by weight percentage changes the graphene of 40%-50%
Property resin, the curing agent of 2%-3%, the mica powder of 10%-20%, the talcum powder of 10%-20%, 5%-15%'s is hollow micro-
Pearl, the antifoaming agent of 0.3%-0.5%, the levelling agent of 0.5%-1.0%, the high-temperature resisting pigment of 2%-3% and 0.1%-0.3%'s
Other auxiliary agents are uniformly mixed, then by obtaining high temperature resistant powder after melting extrusion, tabletting, cooling, finely pulverized, sieving, classification
Last coating.
The beneficial effects of the invention are as follows：
The technical program in coating by being added cenosphere, the characteristics of using cenosphere good fluidity so that resistance to
The mobile performance of high temperature powder coating is greatly improved, and flexibility is good, good hand touch, and antiseptic property, adhesion strength have
It significantly improves, there is matte effect when being added a certain amount of, delustering agent dosage can be reduced and substantially reduce cost, and effectively raised
The high temperature resistance of powdery paints.
The technical program is by using graphene modified resin, especially with the graphene modified resin of different amounts,
That is graphene modified epoxy and graphene modified polyester resin so that unordered structure can be formed in the coating of coating,
Reassociating for graphene can be prevented, and the resistance that permeability factor penetrates into substrate surface is increased, substantially increases this
The Corrosion Protection of kind coating.
Specific implementation mode
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used for explanation and illustration technical scheme of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of Heat Resistant Powder Coatings, composed of the following components by weight percentage：
Graphene modified resin is graphene modified epoxy and graphene modified polyester resin.
Graphene accounts for the 1% of graphene modified epoxy total weight in graphene modified epoxy；Graphene is modified
Graphene accounts for the 2% of graphene modified polyester resin total weight in polyester resin.
In the present embodiment, the preparation side of the preparation method of graphene modified epoxy and graphene modified polyester resin
Method is now prepared using by carrying out the methods of tabletting, abrasive material after being blended, i.e., is accounted for according to graphene in graphene modified epoxy
1% dispensing of graphene modified epoxy total weight is squeezed after graphene is added in epoxy resin under agitation
Go out, then carry out tabletting, abrasive material etc. to prepare graphene modified epoxy.
Equally, the preparation method of graphene modified polyester resin is accounted for according to graphene in graphene modified polyester resin
2% dispensing of graphene modified polyester resin total weight is squeezed after graphene is added in polyester resin under agitation
Go out, then carry out tabletting, abrasive material etc. to prepare graphene modified polyester resin.
One or more combinations of the polyester resin in saturated polyester resin or unsaturated polyester resin；To polyester tree
The selection of fat, those skilled in the art can determine according to actual conditions.
The weight ratio of graphene modified epoxy and graphene modified polyester resin is 1：3-1：5.
In the application, graphene is the graphene with vinyl pyrrolidone base, and specific preparation method is：
Monomer vinyl pyrrolones is dissolved in the vinyl pyrrole ketone ethanol solution that concentration 3%-5% is prepared in ethyl alcohol,
Hydrogen peroxide catalyzed dose and azodiisobutyronitrile initiator are added under stirring condition, graphene is added under agitation, 50
After DEG C being stirred to react 1-3 hours, the graphene with vinyl pyrrolidone base is obtained by drying.
Another preparation method of the graphene of vinyl pyrrolidone base is：
Monomer vinyl pyrrolones is dissolved in the vinyl pyrrole ketone ethanol solution that concentration 35%-60% is prepared in ethyl alcohol,
Hydrogen peroxide catalyzed dose and azodiisobutyronitrile initiator are added under agitation, polymerisation prepares polyethylene at 50 DEG C
The polyvinylpyrrolidine ketone of preparation is that 1% ratio is mixed and dried with graphene by weight percentage, obtained by base pyrrolones
Graphene with vinyl pyrrolidone base.
Cenosphere is hollow aluminosilicate microballon, and Mohs' hardness 5-7, in this application, the grain size of cenosphere is 10-
50 microns.
Curing agent is triglycidyl isocyanurate (TGIC).
In this application, other auxiliary agents be degasser, it is dispersant, modifying agent, toughener, antioxidant, accelerating agent, loose
One or more combinations in agent or UV absorbers.In this application, above-mentioned auxiliary agent is the prior art, and according to need
It is used in powdery paints, therefore, the concrete structure of each auxiliary agent is in this application without being described in detail.
In this application, high-temperature resisting pigment is the combination of dyestuff and pigment, and in this application, the color category of dyestuff is existing
There is technology, the type of pigment is also the prior art, as needed as those skilled in the art, passes through one to dyestuff or pigment
Kind or a variety of colors match be not this application claims range, i.e., the powdery paints of the application can be times
What color.
Embodiment 1
A kind of Heat Resistant Powder Coatings, it is composed of the following components by weight percentage：
Wherein, the weight ratio of graphene modified epoxy and graphene modified polyester resin is 1：3.
It is blended after above-mentioned each component is stirred, to ensure to be uniformly mixed, then carries out the preparation process of powdery paints,
First according to aforementioned proportion carry out blending extrusion, then tabletting, segment from, examine, metering, packaging etc. processes, obtain finished product graphite
Alkene powdery paints.
Embodiment 2
A kind of Heat Resistant Powder Coatings, it is composed of the following components by weight percentage：
Wherein, the weight ratio of graphene modified epoxy and graphene modified polyester resin is 1：5.
It is blended after above-mentioned each component is stirred, to ensure to be uniformly mixed, then carries out the preparation process of powdery paints,
First according to aforementioned proportion carry out blending extrusion, then tabletting, segment from, examine, metering, packaging etc. processes, obtain finished product graphite
Alkene powdery paints.
Embodiment 3
A kind of Heat Resistant Powder Coatings, it is composed of the following components by weight percentage：
Wherein, the weight ratio of graphene modified epoxy and graphene modified polyester resin is 1：4.
It is blended after above-mentioned each component is stirred, to ensure to be uniformly mixed, then carries out the preparation process of powdery paints,
First according to aforementioned proportion carry out blending extrusion, then tabletting, segment from, examine, metering, packaging etc. processes, obtain finished product graphite
Alkene powdery paints.
Embodiment 4
A kind of Heat Resistant Powder Coatings, it is composed of the following components by weight percentage：
Wherein, the weight ratio of graphene modified epoxy and graphene modified polyester resin is 1：3.
It is blended after above-mentioned each component is stirred, to ensure to be uniformly mixed, then carries out the preparation process of powdery paints,
First according to aforementioned proportion carry out blending extrusion, then tabletting, segment from, examine, metering, packaging etc. processes, obtain finished product graphite
Alkene powdery paints.
Embodiment 5
A kind of Heat Resistant Powder Coatings, it is composed of the following components by weight percentage：
Wherein, the weight ratio of graphene modified epoxy and graphene modified polyester resin is 1：3.
It is blended after above-mentioned each component is stirred, to ensure to be uniformly mixed, then carries out the preparation process of powdery paints,
First according to aforementioned proportion carry out blending extrusion, then tabletting, segment from, examine, metering, packaging etc. processes, obtain finished product graphite
Alkene powdery paints.
Heat Resistant Powder Coatings performance see the table below：
The powdery paints prepared by the technical program, heat resistance, the 300h at 450 DEG C, 500 DEG C or less 72h are without opening
It splits, be bubbled, color has slight change；Methyl ethyl ketone wipes 200 times without loss of gloss, softening back and forth；Acid resistance (5%HCL) 300h is without taking off
Color blisters, falls off；Alkali resistance (5%NaOH) 300h without colour fading, blister, fall off.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (10)
1. a kind of Heat Resistant Powder Coatings, which is characterized in that composed of the following components by weight percentage：
The graphene modified resin is graphene modified epoxy and graphene modified polyester resin；
The graphene in graphene and the graphene modified polyester resin in the graphene modified epoxy is band
There is the graphene of vinyl pyrrolidone base.
2. Heat Resistant Powder Coatings according to claim 1, which is characterized in that carry the graphite of vinyl pyrrolidone base
Alkene, specific preparation method are：
Monomer vinyl pyrrolones is dissolved in the vinyl pyrrole ketone ethanol solution for preparing concentration 3%-5% in ethyl alcohol, is being stirred
Under the conditions of hydrogen peroxide catalyzed dose and azodiisobutyronitrile initiator is added, graphene is added under agitation, is stirred at 50 DEG C
After mixing reaction 1-3 hours, the graphene with vinyl pyrrolidone base is obtained by drying.
3. Heat Resistant Powder Coatings according to claim 1, which is characterized in that carry the graphite of vinyl pyrrolidone base
The preparation method of alkene is：
Monomer vinyl pyrrolones is dissolved in the vinyl pyrrole ketone ethanol solution for preparing concentration 35%-60% in ethyl alcohol, is being stirred
Hydrogen peroxide catalyzed dose and azodiisobutyronitrile initiator are added under the conditions of mixing, polymerisation prepares polyvinyl pyrrole at 50 DEG C
Ketone is coughed up, the polyvinylpyrrolidine ketone of preparation is mixed and dried with graphene, obtains the graphite with vinyl pyrrolidone base
Alkene.
4. Heat Resistant Powder Coatings according to claim 2 or 3, which is characterized in that vinyl pyrrolidone base is by weight
Percentage is the 1% of the graphene of the vinyl pyrrolidone base.
5. Heat Resistant Powder Coatings according to claim 1, which is characterized in that graphene in the graphene modified resin
Account for the 1% of the graphene modified resin total weight；Graphene accounts for the graphene and changes in the graphene modified polyester resin
The 2% of property polyester resin total weight.
6. Heat Resistant Powder Coatings according to claim 1, which is characterized in that polyester resin be selected from saturated polyester resin or
One or more combinations in unsaturated polyester resin.
7. Heat Resistant Powder Coatings according to claim 1, which is characterized in that graphene modified epoxy and graphene
The weight ratio of modified polyester resin is 1：3-1：5.
8. Heat Resistant Powder Coatings according to claim 1, which is characterized in that the cenosphere is that hollow aluminosilicate is micro-
Pearl, Mohs' hardness 5-7.
9. Heat Resistant Powder Coatings according to claim 1, which is characterized in that the curing agent is three glycidyl isocyanides
Urate.
10. the preparation method of any one of claim 1 to 9 Heat Resistant Powder Coatings, which is characterized in that by weight percentage will
The graphene modified resin of 40%-50%, the curing agent of 2%-3%, the mica powder of 10%-20%, the talcum of 10%-20%
Powder, the cenosphere of 5%-15%, the antifoaming agent of 0.3%-0.5%, the levelling agent of 0.5%-1.0%, the high temperature resistant of 2%-3%
Other auxiliary agents of pigment and 0.1%-0.3% be uniformly mixed, then by melting extrusion, tabletting, cooling, it is finely pulverized, sieving,
Heat Resistant Powder Coatings are obtained after classification.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205001A (en) * | 2019-05-27 | 2019-09-06 | 常州烯源纳米科技有限公司 | Graphene-based powdery paints and its production technology |
| US10792209B2 (en) | 2018-02-23 | 2020-10-06 | Lg Electronics Inc. | Wearable assistive device that efficiently delivers assistive force |
| CN115960515A (en) * | 2022-12-29 | 2023-04-14 | 佛山市三水凤铝铝业有限公司 | Weather-resistant powder coating and preparation method thereof |
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| CN102040714A (en) * | 2010-11-02 | 2011-05-04 | 浙江大学 | Preparation method of polymer-grafted graphene |
| CN104312391A (en) * | 2014-10-14 | 2015-01-28 | 江苏华光粉末有限公司 | Graphene antistatic powder coating and preparation method of antistatic powder coating |
| CN105469858A (en) * | 2016-01-05 | 2016-04-06 | 厦门凯纳石墨烯技术股份有限公司 | Polyvinylpyrrolidone/graphene conductive slurry, preparation method and application |
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2018
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Patent Citations (3)
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| CN102040714A (en) * | 2010-11-02 | 2011-05-04 | 浙江大学 | Preparation method of polymer-grafted graphene |
| CN104312391A (en) * | 2014-10-14 | 2015-01-28 | 江苏华光粉末有限公司 | Graphene antistatic powder coating and preparation method of antistatic powder coating |
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| US10792209B2 (en) | 2018-02-23 | 2020-10-06 | Lg Electronics Inc. | Wearable assistive device that efficiently delivers assistive force |
| CN110205001A (en) * | 2019-05-27 | 2019-09-06 | 常州烯源纳米科技有限公司 | Graphene-based powdery paints and its production technology |
| CN115960515A (en) * | 2022-12-29 | 2023-04-14 | 佛山市三水凤铝铝业有限公司 | Weather-resistant powder coating and preparation method thereof |
| CN115960515B (en) * | 2022-12-29 | 2024-02-13 | 佛山市三水凤铝铝业有限公司 | Weather-resistant powder coating and preparation method thereof |
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Application publication date: 20181009 |