CN107779070A - A kind of water-based Stripable paint and preparation method thereof - Google Patents
A kind of water-based Stripable paint and preparation method thereof Download PDFInfo
- Publication number
- CN107779070A CN107779070A CN201711024978.1A CN201711024978A CN107779070A CN 107779070 A CN107779070 A CN 107779070A CN 201711024978 A CN201711024978 A CN 201711024978A CN 107779070 A CN107779070 A CN 107779070A
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- China
- Prior art keywords
- water
- mass percent
- stripable paint
- polyurethanes
- acrylic acid
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Classifications
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of water-based Stripable paint, including dispersions of polyurethanes, acrylic acid dispersion, auxiliary agent and water, on the basis of the gross mass of the coating, the mass percent of the dispersions of polyurethanes is 65~70%, the mass percent of the acrylic acid dispersion is 8~10%, the mass percent of the auxiliary agent is 16.5~21%, and the mass percent of the water is 8~10%.The water-based Stripable paint is arranged in pairs or groups using dispersions of polyurethanes and acrylic acid dispersion; using above-mentioned formula; adjust that the adhesive degree of water-based Stripable paint is moderate, and suitable hand tears stripping, while the mechanical strength of water-based Stripable paint moderate reaches the requirement that can protect base material.
Description
Technical field
The present invention relates to paint field, more particularly to a kind of water-based Stripable paint, and preparation method thereof.
Background technology
At present on the market the integral seamless process appearance member product of glass and plastic cement, metal and plastic cement etc. as electronics industry and
One spotlight of other industries, product tend to have in transport or assembling process with part and touch scratch situation, along outside influence product
See effect.The method protected at present using Filming Technology to protection face, it is impossible to the knot suitable for protection face for curved surface very well
Structure because when protection face is curved surface, easily produce bubble, fold and protection face is caused to scratch.And it is flat to protection face
It is high to the requirement on machining accuracy of film adhering jig and diaphragm when face is protected, and it is apparent still to produce step sense
The problem of.
Stripable paint is widely used in electronics, automobile, machine as a kind of protective coating due to its excellent performance
The fields such as tool, building and medical treatment.Stripable paint can use the methods of spraying, brushing and dip-coating to be coated on protection face, be formed
One layer of fine and close diaphragm, this diaphragm is in addition to it can completely cut off the erosion of extraneous undesirable element, additionally it is possible to be subjected to machinery and touch
Hit and rub, and when that need not protect, easily coating can be peeled off, it is easy to use.Applied on above-mentioned appearance member
Stripable paint is covered effectively to protect surface be not scratched, abrade, damaging and produce change because of natural environmental conditions such as sunlights
The defects of color, efflorescence, aging.Also, it can be peeled off when that need not protect, it is easy to use.
Therefore, how to provide a kind of water-based Stripable paint that appearance piece surface can be protected intact is people in the art
Member's technical problem urgently to be resolved hurrily.
The content of the invention
The invention provides a kind of water-based Stripable paint, to solve the above problems.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of water-based Stripable paint, including dispersions of polyurethanes, acrylic acid dispersion, auxiliary agent and water, with the coating
Gross mass on the basis of, the mass percent of the dispersions of polyurethanes is 65~70%, the quality of the acrylic acid dispersion
Percentage is 8~10%, and the mass percent of the auxiliary agent is 16.5~21%, and the mass percent of the water is 8~10%.
Preferably, on the basis of the gross mass of the coating, the mass percent of the dispersions of polyurethanes for 65~
66%, the mass percent of the acrylic acid dispersion is 8~9%, and the mass percent of the auxiliary agent is 17~20%, described
The mass percent of water is 8~10%.
Preferably, on the basis of the gross mass of the coating, the mass percent of the dispersions of polyurethanes is 66%,
The mass percent of the acrylic acid dispersion is 8.5%, and the mass percent of the auxiliary agent is 17%, the quality hundred of the water
Divide than being 8.5%.
Preferably, the dispersions of polyurethanes is aliphatic polyurethane dispersion, the acrylic acid dispersion is propylene
Acid copolymer dispersion.
Preferably, the dispersions of polyurethanes is aliphatic anion aliphatic acid modified polyurethane dispersion.
Preferably, the acrylic acid dispersion is polyurethane acroleic acid dispersion.
Preferably, the auxiliary agent includes defoamer, wetting agent, levelling agent, thickener and coalescents.
Preferably, the defoamer, wetting agent and levelling agent use polyether modified siloxane.
Preferably, the thickener uses polyether-modified polyurethane.
Preferably, the coalescents use ethylene glycol monobutyl ether.
Preferably, on the basis of the gross mass of the coating, the defoamer, wetting agent, levelling agent and thickener
The mass percent of gross mass is 8.5~11%, and the mass percent of the coalescents is 8~10%.
Preferably, on the basis of the gross mass of the coating, the defoamer, wetting agent, levelling agent and thickener
The mass percent of gross mass is 9~10%, and the mass percent of the coalescents is 8~10%.
Preferably, on the basis of the gross mass of the coating, the defoamer, wetting agent, levelling agent and thickener
The mass percent of gross mass is 9%, and the mass percent of the coalescents is 8%.
Compared with prior art, the present invention has advantages below：Water-based Stripable paint of the present invention includes polyurethane
Dispersion, acrylic acid dispersion, auxiliary agent and water, on the basis of the gross mass of the coating, the quality of the dispersions of polyurethanes
Percentage is 65~70%, and the mass percent of the acrylic acid dispersion is 8~10%, and the mass percent of the auxiliary agent is
16.5~21%, the mass percent of the water is 8~10%.Arranged in pairs or groups, adjusted using dispersions of polyurethanes and acrylic acid dispersion
The whole water-based adhesive degree of Stripable paint is adapted to hand to tear stripping, while mechanical strength meets the requirement on protection surface.In addition, this
The dispersions of polyurethanes and acrylic acid dispersion that invention uses also have the advantages that environment-friendly, safe and reliable.
Present invention also offers the preparation method of above-mentioned water-based Stripable paint, comprise the following steps：By they
Body, acrylic acid dispersion, auxiliary agent and water mixing, stir and get product.
Preferably, being stirred using mechanical agitation, shear rate 2m/s, 10~15min of mixing time are stirred.
Compared with prior art, the present invention has advantages below：The preparation method operation letter of the water-based Stripable paint
It is single, it is safe.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.The raw material and equipment that the present invention uses be
It is commercially available.
A kind of water-based Stripable paint, including dispersions of polyurethanes, acrylic acid dispersion, auxiliary agent and water, with the coating
Gross mass on the basis of, the mass percent of the dispersions of polyurethanes is 65~70%, the quality of the acrylic acid dispersion
Percentage is 8~10%, and the mass percent of the auxiliary agent is 16.5~21%, and the mass percent of the water is 8~10%.
The water-based Stripable paint is arranged in pairs or groups using dispersions of polyurethanes and acrylic acid dispersion, using above-mentioned formula, it is described it is water-based can
The solid content of release coating be 25~32%, adjust water-based Stripable paint it is adhesive degree it is moderate, suitable hand tears stripping, while water-based
The mechanical strength of Stripable paint is moderate to reach the requirement that can protect base material.
According to the present invention, although the water-based Stripable paint of above-mentioned content range can realize goal of the invention, in order to
The performance of coating is further improved, preferable case is as follows, on the basis of the gross mass of the coating, the dispersions of polyurethanes
Mass percent is 65~66%, and the mass percent of the acrylic acid dispersion is 8~9%, the quality percentage of the auxiliary agent
Than being 8~10% for the mass percent of 17~20%, the water.
Further preferably, on the basis of the gross mass of the coating, the mass percent of the dispersions of polyurethanes is
66%, the mass percent of the acrylic acid dispersion is 8.5%, and the mass percent of the auxiliary agent is 17%, the water
Mass percent is 8.5%, and the solid content of now described water-based Stripable paint is 27%.
In the present invention, the dispersions of polyurethanes is aliphatic polyurethane dispersion, and the acrylic acid dispersion is propylene
Acid copolymer dispersion.Preferably, the dispersions of polyurethanes is aliphatic anion aliphatic acid modified polyurethane dispersion, institute
It is white translucent liquid to state aliphatic anion aliphatic acid modified polyurethane dispersion, and solid content can be 35~40%, stick
Degree is less than 200mpas, and particle diameter is less than 200nm, pH-value pH=7~8.5.Preferably, the acrylic acid dispersion is poly- ammonia
Ester acrylic acid dispersion, the solid content of the polyurethane acroleic acid dispersion can be 35~40%, and viscosity is less than 300mpa
S, particle diameter are less than 200nm, pH-value pH=7~8.5.
In the present invention, the auxiliary agent includes defoamer, wetting agent, levelling agent, thickener and coalescents.The defoamer
At least one of mineral oil antifoam agent, organic silicon defoamer, polymer defoamer (being free of organosilicon) can be chosen.The wetting
Agent can choose organic silicon wetting agent.The levelling agent can be chosen at least one in acrylic resin and silicone levelling agent
Kind.The thickener can choose at least one of polyurethanes, carboxycellulose class and the swollen class of alkali soluble etc..In order to further
Improving the performance of coating, it is preferred that heretofore described defoamer, wetting agent and levelling agent use polyether modified siloxane,
Optimize the interface characteristic of water paint and air, material using it, improve application property.The thickener uses polyether-modified poly- ammonia
Ester, admittedly containing 12~15%, it has preferably thickening and rheological effect in dispersion so that viscosity is high during low-shearing force, high shear
Viscosity is low during power, has anti-settling and easy spraying effect concurrently.The coalescents can be ethylene glycol monobutyl ether, propylene glycol monomethyl ether and
At least one of dipropylene glycol methyl ether, it is preferred that the coalescents use ethylene glycol monobutyl ether.In the present invention, the water
Use deionized water.
Defoamer has Shrinkage Problem too much, and wetting agent has the bad problem of adherence too much, and levelling agent has heavy industry too much
Bad problem, therefore need to can have optimum efficiency in certain proportion.It is described on the basis of the gross mass of the coating in the present invention
Defoamer, wetting agent, the mass percent of gross mass of levelling agent and thickener are 8.5~11%, the matter of the coalescents
It is 8~10% to measure percentage.Preferably, on the basis of the gross mass of the coating, the defoamer, wetting agent, levelling agent and
The mass percent of the gross mass of thickener is 9~10%, and the mass percent of the coalescents is 8~10%.Further
It is preferred that on the basis of the gross mass of the coating, the defoamer, wetting agent, levelling agent and thickener gross mass quality
Percentage is 9%, and the mass percent of the coalescents is 8%.
The present invention also specifically provides the preparation method of above-mentioned water-based Stripable paint, comprise the following steps：By polyurethane
Dispersion, acrylic acid dispersion, auxiliary agent and water mixing, using mechanical agitation, stirring shear rate 2m/s, mixing time 10 are set
~15min, stir and get product water-based Stripable paint, the flashing point of the water-based Stripable paint is more than 60 DEG C, dodges
Fire point height is not susceptible to fire, and the later stage can use higher temperature when drying, accelerate drying rate, economize on resources, described water-based
PH=7.8~8.2 of Stripable paint, for pH value close to neutrality, the harm to human body is small.By dispersions of polyurethanes, acrylic acid point
, it is necessary to ensure that each raw material stirs during granular media, auxiliary agent and water mixing.The preparation method of the water-based Stripable paint
It is simple to operate, it is safe.
Water-based Stripable paint of the present invention is arranged in pairs or groups using dispersions of polyurethanes and acrylic acid dispersion, is matched somebody with somebody with above-mentioned
Side, the mass percent for adjusting dispersions of polyurethanes are 65~70%, and the mass percent of acrylic acid dispersion is 8~10%,
The adhesive moderate suitable hand of degree of the water-based Stripable paint tears stripping, and the mechanical strength of water-based Stripable paint moderate reaches
The requirement of base material can be protected.The mechanical strength of water-based Stripable paint is directly proportional to adhesive degree, when the matter of dispersions of polyurethanes
Measure percentage and be more than 70%, the mass percent of acrylic acid dispersion is less than 8%, and adhesive degree is low, then mechanical strength is low, now water
Property Stripable paint be adapted to hand to tear strippings, but mechanical strength does not reach the requirement for protecting base material, when the matter of dispersions of polyurethanes
To measure percentage and be less than 65%, the mass percent of acrylic acid dispersion is more than 10%, and adhesive degree is high, then high mechanical strength, although
Mechanical strength has reached the requirement of protection base material, but expert does not tear stripping to water-based Stripable paint.It is of the present invention water-based peelable
It is few from raw material type in formulation for coating material, it is possible to reduce organic matter volatilizees, and improves security, and raw material type is few, can subtract
Processing step in few preparation process, saves production cost.
The water-based Stripable paint can be coated on ABS plastic (acrylonitrile-butadiene-styrene copolymer plastics), PC
Plastics (polycarbonate plastic), PC+ABS resins, tinplate, aluminium, two liquid type PU polishes and UV polishes, produced available for electronics
The interim protection of product construction manufacturing process, original factory of vehicle paint surface protection, kitchen, bathroom, the film of keeping a public place clean of household electrical appliance, Large Steel
Interim protection and metal, the interim protection of plastic sheet punching course in structure part production process.Described in material surface
The thickness of water-based Stripable paint coating is 40~60 μm, point five layers of coating, be often painted with one layer dried at a temperature of 60 DEG C it is laggard
Next layer of coating of row, when being coated with first, second, third and fourth layer using the water-based Stripable paint, every layer of drying when
Between be 15min, after layer 5 coating, use drying time as 30min, extend drying time, ensure coating drying thoroughly.
Those skilled in the art can carry out various changes and modification spirit and model without departing from the present invention to invention
Enclose.So, if these modifications and variations of the present invention belong within the scope of the claims in the present invention and its equivalent technologies, then
The present invention is also intended to including these changes and modification.
Claims (10)
- A kind of 1. water-based Stripable paint, it is characterised in that including dispersions of polyurethanes, acrylic acid dispersion, auxiliary agent and water, with On the basis of the gross mass of the coating, the mass percent of the dispersions of polyurethanes is 65~70%, and the acrylic acid disperses The mass percent of body is 8~10%, and the mass percent of the auxiliary agent is 16.5~21%, and the mass percent of the water is 8~10%.
- 2. water-based Stripable paint according to claim 1, it is characterised in that on the basis of the gross mass of the coating, The mass percent of the dispersions of polyurethanes is 65~66%, and the mass percent of the acrylic acid dispersion is 8~9%, The mass percent of the auxiliary agent is 17~20%, and the mass percent of the water is 8~10%.
- 3. water-based Stripable paint according to claim 1, it is characterised in that the dispersions of polyurethanes is aliphatic poly Urethane dispersion, the acrylic acid dispersion are acrylic copolymer dispersion.
- 4. water-based Stripable paint according to claim 3, it is characterised in that the dispersions of polyurethanes is that aliphatic is cloudy The fatty acid modified dispersions of polyurethanes of ion.
- 5. water-based Stripable paint according to claim 3, it is characterised in that the acrylic acid dispersion is polyurethane third Olefin(e) acid dispersion.
- 6. water-based Stripable paint according to claim 1, it is characterised in that the auxiliary agent include defoamer, wetting agent, Levelling agent, thickener and coalescents.
- 7. water-based Stripable paint according to claim 6, it is characterised in that the defoamer, wetting agent and levelling agent Polyether modified siloxane is used, the thickener uses polyether-modified polyurethane, and the coalescents use ethylene glycol only son Ether.
- 8. water-based Stripable paint according to claim 6, it is characterised in that on the basis of the gross mass of the coating, The defoamer, wetting agent, the mass percent of gross mass of levelling agent and thickener are 8.5~11%, the coalescents Mass percent be 8~10%.
- 9. water-based Stripable paint according to claim 8, it is characterised in that on the basis of the gross mass of the coating, The defoamer, wetting agent, the mass percent of gross mass of levelling agent and thickener are 9~10%, the coalescents Mass percent is 8~10%.
- 10. the preparation method of a kind of water-based Stripable paint as described in claim 1~9 is any, it is characterised in that by poly- ammonia Ester dispersion, acrylic acid dispersion, auxiliary agent and water mixing, stir and get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024978.1A CN107779070A (en) | 2017-10-27 | 2017-10-27 | A kind of water-based Stripable paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024978.1A CN107779070A (en) | 2017-10-27 | 2017-10-27 | A kind of water-based Stripable paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107779070A true CN107779070A (en) | 2018-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711024978.1A Pending CN107779070A (en) | 2017-10-27 | 2017-10-27 | A kind of water-based Stripable paint and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841306A (en) * | 2018-05-04 | 2018-11-20 | 广州市鼎茂新材料科技有限公司 | A kind of aqueous printing table coating and preparation method thereof |
| CN109486402A (en) * | 2018-11-19 | 2019-03-19 | 山东天庆科技发展有限公司 | Aqueous peelable resin of one kind and preparation method thereof |
| CN112778815A (en) * | 2020-04-28 | 2021-05-11 | 铭钜新材料科技(上海)有限公司 | Peelable temporary protection water-based paint and preparation method thereof |
| CN113045984A (en) * | 2021-03-25 | 2021-06-29 | 中核四川环保工程有限责任公司 | Quick-drying high-strength strippable film for radioactive surface decontamination and preparation method thereof |
| CN113088172A (en) * | 2021-04-08 | 2021-07-09 | 中国航发北京航空材料研究院 | Graphene-modified laser absorption layer coating and coating method thereof |
| WO2022122624A1 (en) | 2020-12-09 | 2022-06-16 | Covestro Deutschland Ag | An aqueous coating composition and a preparation process thereof |
| EP4026877A1 (en) | 2021-01-11 | 2022-07-13 | Covestro Deutschland AG | An aqueous coating composition and a preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694872A (en) * | 2012-09-27 | 2014-04-02 | 比亚迪股份有限公司 | Water-based strippable coating composition |
| CN106967357A (en) * | 2016-01-13 | 2017-07-21 | 海洋化工研究院有限公司 | Environment-friendly type aqueous Stripable paint and preparation |
-
2017
- 2017-10-27 CN CN201711024978.1A patent/CN107779070A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694872A (en) * | 2012-09-27 | 2014-04-02 | 比亚迪股份有限公司 | Water-based strippable coating composition |
| CN106967357A (en) * | 2016-01-13 | 2017-07-21 | 海洋化工研究院有限公司 | Environment-friendly type aqueous Stripable paint and preparation |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841306A (en) * | 2018-05-04 | 2018-11-20 | 广州市鼎茂新材料科技有限公司 | A kind of aqueous printing table coating and preparation method thereof |
| CN109486402A (en) * | 2018-11-19 | 2019-03-19 | 山东天庆科技发展有限公司 | Aqueous peelable resin of one kind and preparation method thereof |
| CN112778815A (en) * | 2020-04-28 | 2021-05-11 | 铭钜新材料科技(上海)有限公司 | Peelable temporary protection water-based paint and preparation method thereof |
| WO2022122624A1 (en) | 2020-12-09 | 2022-06-16 | Covestro Deutschland Ag | An aqueous coating composition and a preparation process thereof |
| EP4026877A1 (en) | 2021-01-11 | 2022-07-13 | Covestro Deutschland AG | An aqueous coating composition and a preparation process thereof |
| CN113045984A (en) * | 2021-03-25 | 2021-06-29 | 中核四川环保工程有限责任公司 | Quick-drying high-strength strippable film for radioactive surface decontamination and preparation method thereof |
| CN113088172A (en) * | 2021-04-08 | 2021-07-09 | 中国航发北京航空材料研究院 | Graphene-modified laser absorption layer coating and coating method thereof |
| CN113088172B (en) * | 2021-04-08 | 2022-04-19 | 中国航发北京航空材料研究院 | Graphene-modified laser absorption layer coating and coating method thereof |
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Application publication date: 20180309 |
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