CN108485471A - A kind of wear-resisting self-leveling coating of graphene water-base epoxy and preparation method thereof - Google Patents
A kind of wear-resisting self-leveling coating of graphene water-base epoxy and preparation method thereof Download PDFInfo
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- CN108485471A CN108485471A CN201810337915.XA CN201810337915A CN108485471A CN 108485471 A CN108485471 A CN 108485471A CN 201810337915 A CN201810337915 A CN 201810337915A CN 108485471 A CN108485471 A CN 108485471A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
To solve the deficiencies in the prior art, the present invention provides a kind of wear-resisting Self-levelings of graphene water-base epoxy to apply, and following methods is used to prepare：S1. epoxy resin, deionized water, dispersant, antifoaming agent, wetting agent and filler are added sequentially to mix in reaction kettle, grapheme material are added during stirring, the addition time of grapheme material is 20 50min, and stirring is filtered to after being uniformly dispersed；Filtrate is taken to obtain mixed liquor after filtering；S2. curing agent, deaeration agent and levelling agent are sequentially added into mixed liquor obtained by step S1,0.5 2h is to get the wear-resisting self-leveling coating of graphene water-base epoxy for stirring.The epoxy resin is component A；Other substances are component B；The mass ratio of the component A and component B is 1:3‑5.The graphene coating has high abrasion persistence, and safety and environmental protection, non-toxic and tasteless, the discharge of VOC free is environmentally protective, is free of heavy metal, the non-ignitable excellent performance such as not quick-fried.
Description
Technical field
The invention belongs to functional paint technical fields, and in particular to a kind of graphene electromagnetic screen coating and its preparation side
Method.
Background technology
With the development of modern science and technology, artificial satellite, spaceship, bullet train, steam turbine and engine leaf
Wheel, warship propeller for ship, the blade of hydrogenerator and the deck of ship, the floor of building, traffic paint etc., all by height
Fast air-flow, the washing away of sandstone and flow, the effect of mechanical force, the abrasion of material is quite serious, to prolong the service life, material table
Face needs to coat wear-resistant paint.Wear-resisting functions coating is the core in new coating field, to modern coatings industry and technology
Development plays important promotion and supporting role.In the research field of global modern coatings industry and technology, wear-resisting functions apply
Material war 25-35%, it has also become the emphasis of countries in the world new coating area research development and the industry of countries in the world modern coatings
The hot spot of Strategic Competition in developing with technology.
Graphene has special structure and performance, lamellar spacing pole as a kind of novel nanometer two-dimensional sheet material
It is thin, the ultra-thin materials of carbon atom thickness there are one, but material most hard so far, it is more than 100 times of steel, tensile strength
Up to 130GPa, Young's modulus reach 1069GPa, and elasticity modulus reaches 1TPa.Above-mentioned property graphene based on graphene therefore quilt
The fields such as enhancing, wear-resistant paint are widely used in, huge scientific research and practical utility value are shown.
Graphene coating is generally divided into water soluble paint and alcohol-soluble coating, wherein water soluble paint using water as solvent,
Still preparing price compared to alcoholic solvent either environment-friendly type has greater advantage.However, graphene itself is water-soluble very poor, in order to
Stable graphene coating is obtained, generally graphene coating is prepared using following preparation methods in the prior art：1. making stone
Black alkene dispersion liquid, 2. prepare coating base liquid, and 3. mix the two when using.Since graphene dispersing solution is after long-time is stood
Sedimentation precipitation is easy tod produce, which generally requires preserves two components of coating and storage time is not grown respectively, then makes
First graphene dispersing solution is once stirred with preceding, is used after then mixing the two, it is inconvenient for use.It is mixed even if in advance
It can cause still to need to stir before the phenomenon that standing storage occur being layered in the process and graphene is precipitated.In addition, also having
Technology carries out surface modification using modified method to graphene, its hydrophily is made to enhance.But there is also：1. modified graphite
Alkene part physical chemical property, is usually expressed as declining.2. modifying process is usually relatively complex or yield is not high, therefore,
The manufacturing cost of graphene coating has been significantly greatly increased.
Invention content
The present invention is provided for short, the inconvenient for use or high manufacturing cost problem of storage time of the existing technology
A kind of preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy, includes the following steps：
S1. epoxy resin, deionized water, dispersant, antifoaming agent, wetting agent and filler are added sequentially to mix in reaction kettle
It closes, is added grapheme material during stirring, addition time of grapheme material is 20-50min, and stirring is to being uniformly dispersed
After filter；Filtrate is taken to obtain mixed liquor after filtering；
S2. sequentially add curing agent, deaeration agent and levelling agent into mixed liquor obtained by step S1, stirring 0.5-2h to get
The wear-resisting self-leveling coating of graphene water-base epoxy；
Further, the epoxy resin is component A；The deionized water, dispersant, antifoaming agent, wetting agent, filler,
Graphene, curing agent, deaeration agent and levelling agent are component B；The mass ratio of the component A and component B is 1:3-5.
Further, according to the mass fraction, the component B includes：10-20 parts of deionized water, 0.1-1 parts of dispersant, disappears
0.1-1 parts of infusion, 0.2-1 parts of wetting agent, 5-15 parts of filler, 1-5 parts of graphene, 25-40 parts of curing agent, 0.1-1 parts of antifoaming agent,
0.1-1 parts of levelling agent.
Further, the epoxy resin is 128 resin of South Asia, a kind of or both mixture in western card resin.
Further, the dispersant is Nuo Pu sections 5040, Nuo Pu sections 5027, castor oil, at least one of sapn；
Further, the antifoaming agent is at least one of Nuo Pu sections NXZ, Nuo Pu section 154；
Further, the wetting agent is the high wetting agent of enlightening；
Further, the curing agent is aqueous epoxy curing agent；
Further, the deaeration agent is at least one of high 805, TEGO901 of enlightening；
Further, the levelling agent is Nuo Pu sections AFCONA3585, at least one of BYK333.
Further, the filler is 996 titanium dioxides, talcum powder, mica, at least one of aerosil.
Further, the number of plies of the graphene be 5 layers hereinafter, between layers by Van der Waals force combine and be in six
Angular cellular laminated structure.
Further, the process stirred described in step S1 carries out under the stirring condition of 2000-4000rpm.
Further, 0.5-2h is stirred described in step S2, is carried out under the stirring condition of 1000-2000rpm.
In addition, the present invention also provides a kind of preparation methods using the above-mentioned wear-resisting self-leveling coating of graphene water-base epoxy
The wear-resisting self-leveling coating of graphene water-base epoxy being prepared.
One of the present invention has at least the following advantages：
1. the graphene coating that the present invention is prepared is blended in what graphene was directly stablized in coating base fluid, is not necessarily to
It preserves, is directly brushed when use respectively, it is easy to use.
2. the graphene coating that the present invention is prepared, excellent stability, carrying out prolonged storage and standing not
It will appear layering or deposited phenomenon.
3. the graphene coating that the present invention is prepared has high abrasion persistence, and safety and environmental protection, non-toxic and tasteless, nothing
The discharge of VOC, it is environmentally protective, be free of heavy metal, the non-ignitable excellent performance such as not quick-fried.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below to of the invention further detailed
Explanation.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of wear-resisting self-leveling coating of graphene water-base epoxy, this coating are made of two components of AB, the mass ratio of AB components
It is 1:3, the component A be epoxy resin, 25 parts；The B component is by solvent, dispersant, antifoaming agent, wetting agent, filler, stone
Black alkene, curing agent, the following composition as mass fraction such as deaeration agent and levelling agent：25 parts of solvent deionized water, dispersant 0.3
Part, 0.5 part of antifoaming agent, 0.5 part of wetting agent, 8.5 parts of filler, 2 parts of graphene, 37.5 parts of curing agent, 0.5 part of antifoaming agent, levelling
0.2 part of agent.
Its preparation process is as follows：
S1. epoxy resin, deionized water, dispersant, antifoaming agent, wetting agent and filler are added sequentially to mix in reaction kettle
It closes, grapheme material is being added under the stirring condition of 3000rpm, the addition time of grapheme material is 30min, and stirring extremely divides
Filtering after dissipating uniformly；Filtrate is taken to obtain mixed liquor after filtering；
S2. curing agent, deaeration agent and levelling agent, then stirring in 1500rpm are sequentially added into mixed liquor obtained by step S1
1h is stirred under the conditions of mixing to get the wear-resisting self-leveling coating of graphene water-base epoxy.
Embodiment 2
A kind of wear-resisting self-leveling coating of graphene water-base epoxy, this coating are made of two components of AB, the mass ratio of AB components
It is 1:5, the component A be epoxy resin, 17 parts；The B component is by solvent, dispersant, antifoaming agent, wetting agent, filler, stone
Black alkene, curing agent, deaeration agent and levelling agent etc., as mass fraction：20 parts of deionized water, 1 part of dispersant, 1 part of antifoaming agent, profit
1 part of humectant, 15 parts of filler, 5 parts of graphene, 40 parts of curing agent, 1 part of antifoaming agent, 1 part of levelling agent.
Its preparation process is as follows：
S1. epoxy resin, deionized water, dispersant, antifoaming agent, wetting agent and filler are added sequentially to mix in reaction kettle
It closes, grapheme material is being added under the stirring condition of 4000rpm, the addition time of grapheme material is 50min, and stirring extremely divides
Filtering after dissipating uniformly；Filtrate is taken to obtain mixed liquor after filtering；
S2. curing agent, deaeration agent and levelling agent, then stirring in 2000rpm are sequentially added into mixed liquor obtained by step S1
2h is stirred under the conditions of mixing to get the wear-resisting self-leveling coating of graphene water-base epoxy.
Embodiment 3
A kind of wear-resisting self-leveling coating of graphene water-base epoxy, this coating are made of two components of AB, the mass ratio of AB components
It is 1:4, the component A be epoxy resin, 4.65 parts；The B component is by solvent, dispersant, antifoaming agent, wetting agent, filler,
Graphene, curing agent, deaeration agent and levelling agent etc., as mass fraction：10 parts of deionized water, 0.1 part of dispersant, antifoaming agent
0.1 part, 0.2 part of wetting agent, 5 parts of filler, 1 part of graphene, 2 parts of curing agent, 0.1 part of antifoaming agent, 0.1 part of levelling agent.
Its preparation process is as follows：
S1. epoxy resin, deionized water, dispersant, antifoaming agent, wetting agent and filler are added sequentially to mix in reaction kettle
It closes, grapheme material is being added under the stirring condition of 2000rpm, the addition time of grapheme material is 20min, and stirring extremely divides
Filtering after dissipating uniformly；Filtrate is taken to obtain mixed liquor after filtering；
S2. curing agent, deaeration agent and levelling agent, then stirring in 1000rpm are sequentially added into mixed liquor obtained by step S1
0.5h is stirred under the conditions of mixing to get the wear-resisting self-leveling coating of graphene water-base epoxy.
Embodiment 4
A kind of wear-resisting self-leveling coating of graphene water-base epoxy, this coating are made of two components of AB, the mass ratio of AB components
It is 1:3, the component A be epoxy resin, 25 parts；The B component is by solvent, dispersant, antifoaming agent, wetting agent, filler, stone
Black alkene, curing agent, the following composition as mass fraction such as deaeration agent and levelling agent：25 parts of solvent deionized water, dispersant 0.3
Part, 0.5 part of antifoaming agent, 0.5 part of wetting agent, 8.5 parts of filler, 2 parts of graphene, 37.5 parts of curing agent, 0.5 part of antifoaming agent, levelling
0.2 part of agent.
Its preparation process is as follows：
S1. first deionized water, dispersant, antifoaming agent, wetting agent and filler are added sequentially to mix in reaction kettle,
It is added grapheme material under the stirring condition of 2000rpm, addition time of grapheme material is 20min, and stirring is to being uniformly dispersed
After filter；Filtrate is taken to obtain graphene dispersing solution after filtering；
S2. epoxy resin is added in the graphene dispersing solution obtained by step S1, is stirred under the stirring condition of 2000rpm equal
It is even, obtain resin mixture liquor；
S2. curing agent, deaeration agent and levelling agent are sequentially added to resin mixture liquor obtained by step S2, then 1000rpm's
0.5h is stirred under stirring condition to get the wear-resisting self-leveling coating of graphene water-base epoxy.
1 embodiment according to the present invention, the epoxy resin are 128 resin of South Asia, one kind in western card resin or
The mixture of the two.
1 embodiment according to the present invention, the dispersant are Nuo Pu sections 5040, Nuo Pu sections 5027, castor oil, in sapn
At least one；
1 embodiment according to the present invention, the antifoaming agent are at least one of Nuo Pu sections NXZ, Nuo Pu section 154；
1 embodiment according to the present invention, the deaeration agent are at least one of high 805, TEGO901 of enlightening；
1 embodiment according to the present invention, the levelling agent are at least one in Nuo Pu sections AFCONA3585, BYK333
Kind.
1 embodiment according to the present invention, the filler are 996 titanium dioxides, talcum powder, mica, in aerosil
At least one.
Through experiment test, results of property is as shown in table 1.
Table 1：Coating property test result
Applicant passes through the study found that the reason of generating above-mentioned experimental result may is that：Using graphene water of the present invention
The preparation method of the property wear-resisting self-leveling coating of epoxy, the corresponding filler of addition step by step studied by applicant or auxiliary
The method of reagent, the method for the dispersion by improving each substance so that product coating can be stored and not precipitated for a long time, but also
It can the excellent coating paint film of forming properties.General graphene coating products store its no more than 3 moon, just have graphene precipitation
The graphene coating for generating, and being prepared using invention just will appear graphene precipitation after at least 1 year.
One of the present invention has at least the following advantages：
1. the graphene coating that the present invention is prepared is blended in what graphene was directly stablized in coating base fluid, is not necessarily to
It preserves, is directly brushed when use respectively, it is easy to use.
2. the graphene coating that the present invention is prepared, excellent stability, carrying out prolonged storage and standing not
It will appear layering or deposited phenomenon.
3. the graphene coating that the present invention is prepared has high abrasion persistence, and safety and environmental protection, non-toxic and tasteless, nothing
The discharge of VOC, it is environmentally protective, be free of heavy metal, the non-ignitable excellent performance such as not quick-fried.
It should be noted that and understand, in the case of the spirit and scope required by not departing from the claims in the present invention, energy
It is enough that various modifications and improvements are made to the present invention of foregoing detailed description.It is therefore desirable to protection technical solution range not by
The limitation of given any specific exemplary teachings.
Claims (9)
1. a kind of preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy, which is characterized in that include the following steps：
S1. epoxy resin, deionized water, dispersant, antifoaming agent, wetting agent and filler are added sequentially to mix in reaction kettle,
Grapheme material is added during stirring, the addition time of grapheme material is 20-50min, is stirred to after being uniformly dispersed
Filtering；Filtrate is taken to obtain mixed liquor after filtering；
S2. curing agent, deaeration agent and levelling agent are sequentially added into mixed liquor obtained by step S1,0.5-2h is to get described for stirring
The wear-resisting self-leveling coating of graphene water-base epoxy；
The epoxy resin is component A；The deionized water, dispersant, antifoaming agent, wetting agent, filler, graphene, curing agent,
Deaeration agent and levelling agent are component B；The mass ratio of the component A and component B is 1:3-5.
2. the preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy according to claim 1, which is characterized in that press matter
Number meter is measured, the component B includes：10-20 parts of deionized water, 0.1-1 parts of dispersant, 0.1-1 parts of antifoaming agent, wetting agent 0.2-
1 part, 5-15 parts of filler, 1-5 parts of graphene, 25-40 parts of curing agent, 0.1-1 parts of antifoaming agent, 0.1-1 parts of levelling agent.
3. the preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy according to claim 1, which is characterized in that described
Epoxy resin is 128 resin of South Asia, a kind of or both mixture in western card resin.
4. the preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy according to claim 1, which is characterized in that described
Dispersant is Nuo Pu sections 5040, Nuo Pu sections 5027, castor oil, at least one of sapn；
The antifoaming agent is at least one of Nuo Pu sections NXZ, Nuo Pu section 154；
The wetting agent is the high wetting agent of enlightening；
The curing agent is aqueous epoxy curing agent；
The deaeration agent is at least one of high 805, TEGO901 of enlightening；
The levelling agent is Nuo Pu sections AFCONA3585, at least one of BYK333.
5. the preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy according to claim 1, which is characterized in that described
Filler is 996 titanium dioxides, talcum powder, mica, at least one of aerosil.
6. the preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy according to claim 1, which is characterized in that described
The number of plies of graphene is 5 layers hereinafter, laminated structure being combined between layers by Van der Waals force and in hexagonal cell shape.
7. the preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy according to claim 1, which is characterized in that step
The process stirred described in S1 carries out under the stirring condition of 2000-4000rpm.
8. the preparation method of the wear-resisting self-leveling coating of graphene water-base epoxy according to claim 1, which is characterized in that step
0.5-2h is stirred described in S2, is carried out under the stirring condition of 1000-2000rpm.
9. a kind of wear-resisting self-leveling coating of graphene water-base epoxy, which is characterized in that use any graphite of claim 1-8
The preparation method of the wear-resisting self-leveling coating of alkene water-base epoxy is prepared.
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| CN201810337915.XA CN108485471A (en) | 2018-04-16 | 2018-04-16 | A kind of wear-resisting self-leveling coating of graphene water-base epoxy and preparation method thereof |
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| CN201810337915.XA CN108485471A (en) | 2018-04-16 | 2018-04-16 | A kind of wear-resisting self-leveling coating of graphene water-base epoxy and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110452601A (en) * | 2019-08-24 | 2019-11-15 | 深圳市交通工程试验检测中心有限公司 | A kind of road mark paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106554696A (en) * | 2015-09-25 | 2017-04-05 | 青岛瑞利特新材料科技有限公司 | A kind of Graphene antistatic aqueous epoxy floor paint |
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| CN110452601A (en) * | 2019-08-24 | 2019-11-15 | 深圳市交通工程试验检测中心有限公司 | A kind of road mark paint and preparation method thereof |
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