CN108373836A - A kind of infrared/radar multi-Functional Camouflage coating and preparation method thereof - Google Patents
A kind of infrared/radar multi-Functional Camouflage coating and preparation method thereof Download PDFInfo
- Publication number
- CN108373836A CN108373836A CN201611063313.7A CN201611063313A CN108373836A CN 108373836 A CN108373836 A CN 108373836A CN 201611063313 A CN201611063313 A CN 201611063313A CN 108373836 A CN108373836 A CN 108373836A
- Authority
- CN
- China
- Prior art keywords
- coating
- added
- infrared
- method described
- diluent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 54
- 238000000576 coating method Methods 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 36
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 20
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 239000006185 dispersion Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 12
- 239000004922 lacquer Substances 0.000 claims abstract description 11
- 239000003085 diluting agent Substances 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000004642 Polyimide Substances 0.000 claims description 12
- 229920001721 polyimide Polymers 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000012948 isocyanate Substances 0.000 claims description 9
- 150000002513 isocyanates Chemical group 0.000 claims description 9
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 3
- 125000003944 tolyl group Chemical group 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 1
- 229960000583 acetic acid Drugs 0.000 claims 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000012216 screening Methods 0.000 abstract description 3
- 239000011247 coating layer Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- 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
Abstract
The present invention provides a kind of infrared/radar multi-Functional Camouflage coating and preparation method thereof, including：Aluminum paste is added to polyurethane lacquer, diluent is added in stirring；Polytetrafluoroethylene (PTFE) is added, is disperseed by dispersion machine, is stood；Curing agent and diluent are added later, stirring adjusts viscosity, obtains mixture；And mixture is sprayed on PI films, surface drying cures to obtain the coating of coating.This method significantly reduces the dielectric constant of infrared stealth coating using polytetrafluoroethylene (PTFE), avoids the screening to aluminum paste, greatly reduces the difficulty for preparing infrared stealth coating, and improves the compatible camouflage performance of infrared stealth coating and radar-wave absorbing plate.
Description
Technical field
The present invention relates to technical field of function materials, more particularly, to a kind of infrared/radar multi-Functional Camouflage coating and its
Preparation method.
Background technology
In Military Application, for FJ, DD, ships and land relevant device, it is to reduce target and detected by enemy
The possibility that system is found improves the fight capability and survival ability of tip equipment, and Infrared/Radar Compatible Stealth Materials, which become, to be studied
Hot spot.
Currently, the means of most common radar invisible and infrared stealth compatibility are using the double-deck painting method, i.e., in radar
Camouflage coating surface coats one layer of infrared stealth coating, real by the infrared emittance and microwave reflection rate that reduce target object
Existing infrared/radar multi-Functional Camouflage.And for radar-wave absorbing plate, the Aluminum Pigment for infrared stealth coating is needed by screening,
Reduce the reflectivity to microwave, to increase the compatible camouflage of infrared stealth coating and radar-wave absorbing plate, but in this method
It is larger and limited to the performance of coating raising space that aluminium powder screens difficulty.
Meanwhile the dielectric constant of material and the microwave reflection rate of material are positively correlated, the small material of dielectric constant is more suitable for
Therefore how material as infrared stealth coating in infrared/radar multi-Functional Camouflage coating reduces the dielectric of infrared stealth coating
Constant, improving the compatibling problem of existing aluminium powder base infrared stealth coating and radar-wave absorbing plate becomes research hotspot.
Invention content
To solve the above-mentioned problems, the present invention reduces the dielectric of infrared coating using the excellent dielectric properties of polytetrafluoroethylene (PTFE)
Constant.Polytetrafluoroethylene (PTFE) dielectric loss is small, breakdown voltage is high, is fabulous dielectric material, while can in the coating well
Dispersion.By the way that polytetrafluoroethylene (PTFE) is added in the aluminum paste with special two-dimension plane structure, aluminum paste is significantly reduced
The dielectric constant of infrared stealth coating, while the screening to aluminum paste is avoided, it greatly reduces and prepares infrared stealth coating
Difficulty, and improve the compatible camouflage performance of infrared stealth coating and radar-wave absorbing plate.
The present invention provides a kind of methods preparing infrared/radar multi-Functional Camouflage coating, including：Aluminum paste is added to poly-
Diluent is added in urethane varnish, stirring；Polytetrafluoroethylene (PTFE) is added, is disperseed by dispersion machine, stands；Curing agent and dilution is added
Agent, stirring adjust viscosity, obtain mixture；And mixture is sprayed on polyimides (PI) film, surface drying, which cures, to be applied
The coating of material.
In the above-mentioned methods, the mass ratio of aluminum paste, polyurethane lacquer and polytetrafluoroethylene (PTFE) is 3~4:1~2:1~2.
In the above-mentioned methods, the rotating speed of dispersion machine is 400~600rpm；The jitter time of dispersion machine is 5-10min.
In the above-mentioned methods, curing agent is isocyanates.
In the above-mentioned methods, diluent is toluene, dimethylbenzene, ethyl acetate, butyl acetate and propylene glycol methyl ether acetate
It is one or more.
In the above-mentioned methods, viscosity is adjusted to 17~19s.
In the above-mentioned methods, it sprays as Air spraying.
In the above-mentioned methods, the thickness of coating is 30-40 μm.
In the above-mentioned methods, the cured temperature of surface drying is room temperature；The surface drying cured time is 10-14h.
The present invention also provides a kind of infrared/radar multi-Functional Camouflage coating prepared according to above method.
The present invention significantly reduces infrared stealth coating by polytetrafluoroethylene (PTFE) of the addition with excellent dielectric performance
Dielectric constant effectively raises infrared stealth coating and thunder on the basis of maintaining the original infrared emittance of coating (＜ 0.2)
Up to the multi-Functional Camouflage performance for inhaling wave plate.
Description of the drawings
Fig. 1 is the schematic diagram of infrared/radar multi-Functional Camouflage coating, wherein 1 is radar-wave absorbing plate, and 2 apply for infrared stealth
Layer.
Specific implementation mode
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit in any way
The present invention.
Aluminum paste is added into polyurethane lacquer, 300~400rpm stirs 10-20min, and diluent is added；It is added poly-
Tetrafluoroethene disperses 5-10min by the dispersion machine that rotating speed is 400~600rpm, stands 1-2h；Wherein, aluminum paste, polyurethane
The mass ratio of varnish and polytetrafluoroethylene (PTFE) is 3~4:1~2:1~2.
Curing agent and diluent is added, 800~1000r/min stirs 15-20min, and adjustment viscosity is 17~19s, is obtained
Mixture；Wherein, curing agent is isocyanates；Diluent is toluene, dimethylbenzene, ethyl acetate, butyl acetate and propylene glycol first
Ether acetate it is one or more.
By mixture Air spraying on clean PI (polyimides) film, control coating layer thickness is 30-40 μm, at room temperature
Surface drying cures 10-14h.
Coating after solidification is attached to progress microwave reflection rate test on radar-wave absorbing plate, then coating is taken off and uses IR-2
Type emissivity measurement instrument carries out infrared emittance test, while being situated between to coating with DP-ZJDB types dielectrometer
Electric constant is tested.
Embodiment one
30g aluminum pastes are added into 70g polyurethane lacquers, 300r/min stirs 20min, and ethyl alcohol appropriate is added；Again
30g polytetrafluoroethylene (PTFE) is added, 5min is disperseed by the dispersion machine that rotating speed is 600rpm, stands 2h；
Later, isocyanates and toluene is added, 1000r/min stirs 15min, and adjustment viscosity is 17s, obtains mixture；
By mixture Air spraying on clean PI films, control coating layer thickness is 30 μm, and surface drying solidification 10h is obtained at room temperature
To the coating of coating.
Embodiment two
20g aluminum pastes are added into 60g polyurethane lacquers, 400r/min stirs 15min, and normal propyl alcohol appropriate is added；
20g polytetrafluoroethylene (PTFE) is added, 8min is disperseed by the dispersion machine that rotating speed is 500rpm, stands 1.5h；
Later, isocyanates and dimethylbenzene is added, 900r/min stirs 18min, and adjustment viscosity is 18s, obtains mixture；
By mixture Air spraying on clean PI films, control coating layer thickness is 30 μm, and surface drying solidification 12h is obtained at room temperature
To the coating of coating.
Embodiment three
40g aluminum pastes are added into 80g polyurethane lacquers, 350r/min stirs 10min, and isopropanol appropriate is added；
40g polytetrafluoroethylene (PTFE) is added, 10min is disperseed by the dispersion machine that rotating speed is 400rpm, stands 1h；
Later, isocyanates and dimethylbenzene is added, 950r/min stirs 16min, and adjustment viscosity is 18s, obtains mixture；
By mixture Air spraying on clean PI films, control coating layer thickness is 35 μm, and surface drying solidification 12h is obtained at room temperature
To the coating of coating.
Example IV
30g aluminum pastes are added into 70g polyurethane lacquers, 400r/min stirs 15min, and ethyl alcohol appropriate is added；Again
30g polytetrafluoroethylene (PTFE) is added, 8min is disperseed by the dispersion machine that rotating speed is 500rpm, stands 1.5h；
Later, isocyanates, toluene and propylene glycol methyl ether acetate is added, 800r/min stirs 20min, and adjustment viscosity is
19s obtains mixture；
By mixture Air spraying on clean PI films, control coating layer thickness is 35 μm, and surface drying solidification 14h is obtained at room temperature
To the coating of coating.
Embodiment five
30g aluminum pastes are added into 70g polyurethane lacquers, 320r/min stirs 18min, and normal propyl alcohol appropriate is added；
30g polytetrafluoroethylene (PTFE) is added, 9min is disperseed by the dispersion machine that rotating speed is 600rpm, stands 1.5h；
Later, isocyanates and dimethylbenzene is added, 950r/min stirs 20min, and adjustment viscosity is 18s, obtains mixture；
By mixture Air spraying on clean PI films, control coating layer thickness is 40 μm, and surface drying solidification 13h is obtained at room temperature
To the coating of coating.
Embodiment six
30g aluminum pastes are added into 70g polyurethane lacquers, 350r/min stirs 15min, and isopropanol appropriate is added；
30g polytetrafluoroethylene (PTFE) is added, 9min is disperseed by the dispersion machine that rotating speed is 550rpm, stands 1h；
Later, isocyanates and toluene is added, 900r/min stirs 15min, and adjustment viscosity is 17s, obtains mixture；
By mixture Air spraying on clean PI films, control coating layer thickness is 40 μm, and surface drying solidification 10h is obtained at room temperature
To the coating of coating.
Comparative example one
It is identical as embodiment one other than polytetrafluoroethylene (PTFE) is not added.
By the reflectivity difference of the above-mentioned data of measurement and the radar-wave absorbing plate for not spraying infrared stealth coating, infrared emission
Rate and the measurement result of dielectric constant are as follows：
Table 1, test result：
By table 1 as it can be seen that the present invention is significantly reduced infrared by polytetrafluoroethylene (PTFE) of the addition with excellent dielectric performance
The dielectric constant of camouflage coating reduces S-band (2~4GHz), C-band (4 on the basis of ensureing infrared emittance ＜ 0.2
~8GHz), the microwave reflection rate difference of X-band (8~12GHz) and Ku wave bands (12~18GHz), illustrate normal by reducing dielectric
Several methods reduces the influence to radar invisible performance, increases the compatible camouflage of infrared stealth coating and radar-wave absorbing plate.
It will be understood by those skilled in the art that above example is only exemplary embodiment, in the spirit without departing substantially from the present invention
In the case of range, a variety of variations can be carried out, replaced and changed.
Claims (10)
1. a kind of method preparing infrared/radar multi-Functional Camouflage coating, which is characterized in that including：
Aluminum paste is added to polyurethane lacquer, diluent is added in stirring；
Polytetrafluoroethylene (PTFE) is added, is disperseed by dispersion machine, stands；
Curing agent and diluent is added, stirring adjusts viscosity, obtains mixture；And
The mixture is sprayed on polyimides (PI) film, surface drying cures to obtain the coating of coating.
2. according to the method described in claim 1, it is characterized in that, the aluminum paste, the polyurethane lacquer and described poly-
The mass ratio of tetrafluoroethene is 3~4:1~2:1~2.
3. according to the method described in claim 1, it is characterized in that, the rotating speed of the dispersion machine is 400~600rpm；Described point
The jitter time for dissipating machine is 5-10min.
4. according to the method described in claim 1, it is characterized in that, the curing agent is isocyanates.
5. according to the method described in claim 1, it is characterized in that, the diluent is toluene, dimethylbenzene, ethyl acetate, vinegar
Acid butyl ester and propylene glycol methyl ether acetate it is one or more.
6. according to the method described in claim 1, it is characterized in that, the viscosity is adjusted to 17~19s.
7. according to the method described in claim 1, it is characterized in that, the spraying is Air spraying.
8. according to the method described in claim 1, it is characterized in that, the thickness of the coating is 30-40 μm.
9. according to the method described in claim 1, it is characterized in that, the cured temperature of the surface drying is room temperature；The surface drying is solid
The time of change is 10-14h.
10. infrared/radar multi-Functional Camouflage coating prepared by a kind of method according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063313.7A CN108373836A (en) | 2016-11-28 | 2016-11-28 | A kind of infrared/radar multi-Functional Camouflage coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063313.7A CN108373836A (en) | 2016-11-28 | 2016-11-28 | A kind of infrared/radar multi-Functional Camouflage coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108373836A true CN108373836A (en) | 2018-08-07 |
Family
ID=63016320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063313.7A Pending CN108373836A (en) | 2016-11-28 | 2016-11-28 | A kind of infrared/radar multi-Functional Camouflage coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108373836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116285518A (en) * | 2023-03-30 | 2023-06-23 | 西安赛福斯材料防护有限责任公司 | Preparation method of room-temperature self-curing low-infrared-emissivity superhydrophobic coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980806A (en) * | 2014-05-22 | 2014-08-13 | 电子科技大学 | Method for coating infrared stealth coating on object surface coated with radar absorbing coating |
| CN104990459A (en) * | 2015-07-06 | 2015-10-21 | 苏州工业园区高性能陶瓷纤维工程中心有限公司 | Radar stealth and infrared stealth integrated stealth tarpaulin and making method thereof |
-
2016
- 2016-11-28 CN CN201611063313.7A patent/CN108373836A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980806A (en) * | 2014-05-22 | 2014-08-13 | 电子科技大学 | Method for coating infrared stealth coating on object surface coated with radar absorbing coating |
| CN104990459A (en) * | 2015-07-06 | 2015-10-21 | 苏州工业园区高性能陶瓷纤维工程中心有限公司 | Radar stealth and infrared stealth integrated stealth tarpaulin and making method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王成彪等: "《摩擦学材料及表面工程》", 29 February 2012, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116285518A (en) * | 2023-03-30 | 2023-06-23 | 西安赛福斯材料防护有限责任公司 | Preparation method of room-temperature self-curing low-infrared-emissivity superhydrophobic coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105906832B (en) | A kind of preparation method of graphene water-based electric heating film | |
| CN109423181A (en) | A kind of infrared coating and preparation method thereof of compatible radar invisible | |
| CN103980806B (en) | Add the method that is coated with infrared stealth coating at the body surface that scribbles absorption coating | |
| CN102031049B (en) | Crackle paint and preparation method thereof | |
| CN105713490B (en) | MDF many body system infrared curing powdery paints | |
| CN102816487A (en) | Silver priming paint of 1K silver powder containing automobile refinishing coating and preparation method thereof | |
| CN108373836A (en) | A kind of infrared/radar multi-Functional Camouflage coating and preparation method thereof | |
| CN106590379A (en) | Aqueous acrylic polyurethane aluminum powder paint and preparation method thereof | |
| CN110054938A (en) | A kind of aqueous flexible electric heating ink and preparation method thereof | |
| RU2315794C1 (en) | Temperature control coat | |
| CN109777270A (en) | A kind of coating and preparation method thereof | |
| CN104449246A (en) | Water-based epoxy antistatic floor primer and surface paint and preparation method thereof | |
| CN104946079A (en) | Nano-montmorillonite-modified epoxy resin type powder coating and preparation method thereof | |
| US20170121548A1 (en) | Inked Electrical Conductor | |
| RU2598090C1 (en) | Radar-absorbent coating composition | |
| CN104119769A (en) | Thin coating powder paint | |
| CN108117825A (en) | A kind of coating and preparation method thereof | |
| CN109423096A (en) | A kind of water-soluble multifunctional conductive coating and preparation method thereof | |
| CN106554662A (en) | A kind of good formulation for coating material of wearability | |
| CN110144057A (en) | Space polyimide material surface atom oxygen protective coating and preparation method thereof | |
| CN108084839A (en) | A kind of low temperature curing type powdery paints and preparation method thereof | |
| CN110624806A (en) | Airplane spraying method | |
| CN108003745A (en) | A kind of pure epoxy powdery paints and preparation method thereof | |
| CN114058258B (en) | Electromagnetic shielding coating suitable for heat-shrinkable material and preparation method thereof | |
| CN107880762A (en) | A kind of fluorocarbon powder paint and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180807 |