CN107793909B - A kind of aviation aircraft exterior skin Lacquer finish coating and preparation method thereof - Google Patents
A kind of aviation aircraft exterior skin Lacquer finish coating and preparation method thereof Download PDFInfo
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- CN107793909B CN107793909B CN201710988393.5A CN201710988393A CN107793909B CN 107793909 B CN107793909 B CN 107793909B CN 201710988393 A CN201710988393 A CN 201710988393A CN 107793909 B CN107793909 B CN 107793909B
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- polycaprolactone
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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
- C09D175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of aviation aircraft exterior skin Lacquer finish coating, it is mixed including component A and component B, the component A is the HDI trimer crosslinking agent that non-volatile content is 100%, the component B is prepared by following weight percent composition: polycaprolactone quaternary alcohol resin 30%-40%, polycaprolactone ternary alcohol resin 40%-50%, polycaprolactone diols resin 5%-25%, leveling auxiliary agent 0.1%-1%, acetylacetone,2,4-pentanedione salt catalyst 0.05%-0.15%, UV absorbers 0.1%-0.4%, mixed solvent surplus.Its VOCs that constructs is extremely low, and can be improved the clarity, gloss and ageing resistance of aircraft coating.
Description
Technical field
The present invention relates to chemical fields, more particularly, it relates to a kind of aviation aircraft exterior skin Lacquer finish coating and its preparation
Method.
Background technique
With the fast development of aircraft industry, aviation aircraft coating and its technology of preparing as auxiliary product are also taken
Obtained significant progress.Currently, domestic brand aviation aircraft exterior skin coating system mostly uses solvent bottom paint, real color face
Qi Shuan coat system.In actual application, which easily goes out there are decorative fine or not heavy dependence coating quality
Existing gloss is low, clarity is poor and real color finishing coat is directly contacted with atmospheric environment, for a long time by the oxygen and rain in ultraviolet light, air
The problems such as erosion of water, easy dusting, loss of gloss, the gloss retention and relatively poor color persistence of finishing coat.In order to solve
The above problem, domestic and international Duo Jia aircraft coating manufacturer develop aviation aircraft exterior skin coating system of new generation, the system
Using priming paint, real color finishing coat, coating varnish Three coating system.But VOCs higher when coating varnish is constructed in the system, reach
400g/L or more, a large amount of organic solvents are evaporate into atmosphere, not only cause serious pollution to environment, and be also to the energy with
The serious waste of resource, while environmental consciousness that people constantly enhance and countries in the world are also run counter to the stringent limit of VOC emission
System.
Summary of the invention
For overcome the deficiencies in the prior art, it the purpose of the present invention is to provide a kind of construction VOCs is extremely low, can be improved
The aviation aircraft exterior skin Lacquer finish coating of the clarity of aircraft coating, gloss and ageing resistance.
To solve the above problems, the technical solution adopted in the present invention is as follows:
The present invention includes a kind of aviation aircraft exterior skin Lacquer finish coating, including component A and component B are mixed, institute
Stating component A is the HDI trimer crosslinking agent that non-volatile content is 100%, and the component B is by following weight percent composition system
It is standby to form:
The molar ratio of OH is 0.8-1.5:1 in NCO and component B in the component A
Preferably, the component A is HDT-LV2.
Preferably, the non-volatile content of the polycaprolactone quaternary alcohol resin is 100%, and number-average molecular weight Mn is
1000, hydroxyl value 220mgKOH/g, when 23 DEG C, non-volatile content are 100%, viscosity is 2000mPa 〃 s；It is described to gather in oneself
The non-volatile content of ester ternary alcohol resin be 100%, number-average molecular weight Mn be 450, hydroxyl value 420mgKOH/g, 23 DEG C,
When non-volatile content is 100%, viscosity is 800mPa 〃 s；The non-volatile content of the polycaprolactone diols resin is
100%, number-average molecular weight Mn are 550, hydroxyl value 210mgKOH/g, and when 23 DEG C, non-volatile content are 100%, viscosity is
400mPa〃s。
Preferably, the leveling auxiliary agent is EFKA-3777S, EFKA-3034, EFKA-3035, EFKA-S022, EFKA-
3236, one or more of EFKA-3277.
Preferably, the acetylacetone,2,4-pentanedione salt catalyst is acetylacetone,2,4-pentanedione zirconium, ferric acetyl acetonade, acetylacetone cobalt, acetyl
One or more of acetone aluminium, manganese acetylacetonate, nickel acetylacetonate.
Preferably, the UV absorbers be TINUVIN400, TINUVIN384, TINUVIN1130,
One or more of TINUVIN411L, TINUVIN99-2.
Preferably, the mixed solvent is cyclohexanone, in butanone, isophorone, methyl iso-butyl ketone (MIBK), methyl-n-amyl ketone
One or more.
Preferably, the molar ratio of OH is 0.8-1.5:1 in NCO and component B in the component A.
The invention also includes a kind of preparation methods of aviation aircraft exterior skin Lacquer finish coating, comprising steps of
S101. component B is prepared: by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, polycaprolactone diols
Resin is added to the container with mixed solvent, stirs 15-30min using high speed disperser with the revolving speed of 100-300r/min, then
Acetylacetone,2,4-pentanedione salt catalyst is added in a reservoir, 5-10min is stirred with the revolving speed of 100-300r/min using high speed disperser,
Leveling auxiliary agent and UV absorbers then are sequentially added, 5- is stirred with the revolving speed of 100-300r/min using high speed disperser
After 10min, filter to get component B；
S102. weigh component A and component B, stir and be uniformly mixed to get.
Further, it in the step S101, is carried out using 400 mesh tulles when filtering.
Compared with prior art, the beneficial effects of the present invention are:
1, component A uses non-volatile content for 100% HDI trimer crosslinking agent, not only can guarantee coating performance, and
And can be effectively reduced the construction VOCs of coating, meet environmental requirement；Component B using non-volatile content be 100% it is poly-
Caprolactone tetrahydroxylic alcohol, polycaprolactone trihydroxylic alcohol and polycaprolactone diols are compounded, and the coating can not only be effectively reduced
Construct VOCs, while can improve the flexibility and lower temperature resistance of film；
2, since component A and component the B selection for constituting Lacquer finish coating are appropriate, be formed by coating can effectively prevent it is ultraviolet
The erosion to coating such as oxygen and rainwater in line, air has more compared with conventional aviation aircraft exterior skin coating
Excellent ageing resistance and guarantor's light colour retention；In real color finishing coat surface coating cover optical coating, it is decorative to solve real color finishing coat
, easily there is the problem that gloss is low, clarity is poor in fine or not heavy dependence coating quality；
3, test proves, which has the excellent medium of resistance to aviation (resistance to deionized water, resistance to Aviation Fuel, resistance to aviation
Hydraulic oil), environmental reliability (salt spray resistance, resistance to filiform corrosion), flexibility (impact resistance, resist bending) lower temperature resistance, dicoration and
Protect light colour retention, be fully able to the requirement for meeting aviation aircraft to coating, meanwhile, the construction VOCs of coating can reduce to
Within 100g/L, far below the standard of international regulations < 420g/L, there is the advantage of environmental protection；
4, the preparation method of coating is simple, easy to operate in the present invention, convenient for large-scale production, and may insure the matter of coating
Amount.
Specific embodiment
Invention is further described in detail With reference to embodiment.
The present invention includes a kind of aviation aircraft exterior skin Lacquer finish coating, including component A and component B are mixed, institute
Stating component A is the HDI trimer crosslinking agent that non-volatile content is 100%, and the component B is by following weight percent composition system
It is standby to form: polycaprolactone quaternary alcohol resin 30%-40%, polycaprolactone ternary alcohol resin 40%-50%, polycaprolactone diols
Resin 5%-25%, leveling auxiliary agent 0.1%-1%, acetylacetone,2,4-pentanedione salt catalyst 0.05%-0.15%, UV absorbers
0.1%-0.4%, mixed solvent surplus, the molar ratio of OH is 0.8-1.5:1 in NCO and component B in the component A.
Preferably, the component A is the production of Rhodia company, FranceHDT-LV2；The polycaprolactone
Quaternary alcohol resin is the product of CNOOC Changzhou EP Coating Co., Ltd.CTR-4000, non-volatile content
It is 100%, number-average molecular weight Mn is 1000, hydroxyl value 220mgKOH/g, when 23 DEG C, non-volatile content are 100%, viscosity
For 2000mPa 〃 s；The polycaprolactone ternary alcohol resin is the product of CNOOC Changzhou EP Coating Co., Ltd.CTR-3000, non-volatile content 100%, number-average molecular weight Mn be 450, hydroxyl value 420mgKOH/g,
When 23 DEG C, non-volatile content are 100%, viscosity is 800mPa 〃 s；The polycaprolactone diols resin is that CNOOC is normal
The product of state environmental protection coating material Co., LtdCTR-2000, non-volatile content 100%, number-average molecular weight Mn
It is 550, hydroxyl value 210mgKOH/g, when 23 DEG C, non-volatile content are 100%, viscosity is 400mPa 〃 s.The levelling helps
Agent is product E FKA-3777S, EFKA-3034, EFKA-3035, EFKA-S022, EFKA-3236, EFKA- of EFKA company
One or more of 3277.The acetylacetone,2,4-pentanedione salt catalyst be acetylacetone,2,4-pentanedione zirconium, ferric acetyl acetonade, acetylacetone cobalt,
One or more of aluminium acetylacetonate, manganese acetylacetonate, nickel acetylacetonate.The UV absorbers are the production of BASF AG
One or more of product TINUVIN400, TINUVIN384, TINUVIN1130, TINUVIN411L, TINUVIN99-2.Institute
Stating mixed solvent is one or more of cyclohexanone, butanone, isophorone, methyl iso-butyl ketone (MIBK), methyl-n-amyl ketone.
The invention also includes a kind of preparation methods of aviation aircraft exterior skin Lacquer finish coating, comprising steps of
S101. component B is prepared: by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, polycaprolactone diols
Resin is added to the container with mixed solvent, stirs 15-30min using high speed disperser with the revolving speed of 100-300r/min, then
Acetylacetone,2,4-pentanedione salt catalyst is added in a reservoir, 5-10min is stirred with the revolving speed of 100-300r/min using high speed disperser,
Leveling auxiliary agent and UV absorbers then are sequentially added, 5- is stirred with the revolving speed of 100-300r/min using high speed disperser
After 10min, it is filtered using 400 mesh tulles to get component B；
S102. weigh component A and component B, stir and be uniformly mixed to get.
Embodiment 1
Prepare Lacquer finish coating T1
1 component B formula table of table
Referring to proportion preparation component B in table 1, by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, gather in oneself
Ester binary alcohol resin is added to the container with mixed solvent, stirs 15min using high speed disperser with the revolving speed of 300r/min, then
Acetylacetone,2,4-pentanedione salt catalyst is added in a reservoir, 10min is stirred with the revolving speed of 300r/min using high speed disperser, then according to
Secondary addition leveling auxiliary agent and UV absorbers after stirring 10min using high speed disperser with the revolving speed of 300r/min, use
400 mesh tulles are filtered to get component B；
According to component A, (French Rhodia company is producedHDT-LV OH rubs in NCO and component B in)
You stir and are uniformly mixed to get Lacquer finish coating T1 than being that 0.8:1 weighs component A and component B.
Embodiment 2
Prepare Lacquer finish coating T2
2 component B formula table of table
Referring to proportion preparation component B in table 2, by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, gather in oneself
Ester binary alcohol resin is added to the container with mixed solvent, stirs 30min using high speed disperser with the revolving speed of 300r/min, then
Acetylacetone,2,4-pentanedione salt catalyst is added in a reservoir, 5min is stirred with the revolving speed of 300r/min using high speed disperser, then according to
Secondary addition leveling auxiliary agent and UV absorbers use 400 after stirring 5min using high speed disperser with the revolving speed of 300r/min
Mesh tulle is filtered to get component B；
According to component A, (French Rhodia company is producedHDT-LV OH rubs in NCO and component B in)
You stir and are uniformly mixed to get Lacquer finish coating T2 than being that 1:1 weighs component A and component B.
Embodiment 3
Prepare Lacquer finish coating T3
3 component B formula table of table
Referring to proportion preparation component B in table 3, by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, gather in oneself
Ester binary alcohol resin is added to the container with mixed solvent, stirs 20min using high speed disperser with the revolving speed of 300r/min, then
Acetylacetone,2,4-pentanedione salt catalyst is added in a reservoir, 10min is stirred with the revolving speed of 250r/min using high speed disperser, then according to
Secondary addition leveling auxiliary agent and UV absorbers after stirring 10min using high speed disperser with the revolving speed of 250r/min, use
400 mesh tulles are filtered to get component B；
According to component A, (French Rhodia company is producedHDT-LV OH rubs in NCO and component B in)
You stir and are uniformly mixed to get Lacquer finish coating T3 than being that 1.2:1 weighs component A and component B.
Embodiment 4
Prepare Lacquer finish coating T4
4 component B formula table of table
Referring to proportion preparation component B in table 4, by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, gather in oneself
Ester binary alcohol resin is added to the container with mixed solvent, stirs 30min using high speed disperser with the revolving speed of 200r/min, then
Acetylacetone,2,4-pentanedione salt catalyst is added in a reservoir, 10min is stirred with the revolving speed of 200r/min using high speed disperser, then according to
Secondary addition leveling auxiliary agent and UV absorbers after stirring 10min using high speed disperser with the revolving speed of 200r/min, use
400 mesh tulles are filtered to get component B；
According to component A, (French Rhodia company is producedHDT-LV OH rubs in NCO and component B in)
You stir and are uniformly mixed to get Lacquer finish coating T4 than being that 1.5:1 weighs component A and component B.
Embodiment 5
Prepare Lacquer finish coating T5
5 component B formula table of table
Referring to proportion preparation component B in table 5, by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, gather in oneself
Ester binary alcohol resin is added to the container with mixed solvent, stirs 25min using high speed disperser with the revolving speed of 200r/min, then
Acetylacetone,2,4-pentanedione salt catalyst is added in a reservoir, 10min is stirred with the revolving speed of 200r/min using high speed disperser, then according to
Secondary addition leveling auxiliary agent and UV absorbers use 400 after stirring 5min using high speed disperser with the revolving speed of 300r/min
Mesh tulle is filtered to get component B；
According to component A, (French Rhodia company is producedHDT-LV OH rubs in NCO and component B in)
You stir and are uniformly mixed to get Lacquer finish coating T5 than being that 1.5:1 weighs component A and component B.
Embodiment 6
Detect the performance of aviation aircraft exterior skin Lacquer finish coating
The performance of coating of the present invention is detected according to coatings industry concerned countries standard and combination corresponding airline MAT'L specification.Inspection
Surveying template used is T-2024 aluminium sheet, and size 12cm × 5cm, surface is through chemical oxidation treatment and sprays CNOOC Changzhou environmental protection painting
The H06-27 aviation base paint special and the dedicated real color finishing coat of S04-21 aviation for expecting Co., Ltd's production, then on real color finishing coat surface
The Lacquer finish coating T1-T5 of spraying the present embodiment 1-5 preparation (is adjusted in use, adding appropriate mixed solvent to working viscosity respectively
20 seconds (applying -4 glasss, 23 DEG C)), 20-30 μm of thickness of dry film, template carries out following properties tests after drying 7 days at normal temperature,
Test result see the table below 6, wherein " technical requirements " are the technical requirements of aviation aircraft coating material.
6 detection data contrast table of table
It can be seen that the Lacquer finish coating prepared using technical solution of the present invention from the test result of table 6, comprehensive performance is excellent
It is different, it is fully able to meet the requirement of aircraft industry.Meanwhile compared with conventional aviation aircraft exterior skin coating, using the present invention
The coating of technical solution has extremely low construction VOCs, more excellent dicoration (gloss, clarity), lower temperature resistance, gloss
Conservation rate and color persistence meet the requirement for the high-performance low pollution that Aviation Enterprise proposes coating.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (10)
1. a kind of aviation aircraft exterior skin Lacquer finish coating, which is characterized in that it is mixed including component A and component B, it is described
Component A is the HDI trimer crosslinking agent that non-volatile content is 100%, and the component B is prepared by following weight percent composition
It forms:
The molar ratio of OH is 0.8-1.5:1 in NCO and component B in the component A；
The polycaprolactone tetrahydroxylic alcohol, polycaprolactone trihydroxylic alcohol and the non-volatile content of polycaprolactone diols are 100%.
2. aviation aircraft exterior skin Lacquer finish coating as described in claim 1, which is characterized in that the component A is HDT-
LV2。
3. aviation aircraft exterior skin Lacquer finish coating as described in claim 1, which is characterized in that the polycaprolactone quaternary
The non-volatile content of alcohol resin be 100%, number-average molecular weight Mn be 1000, hydroxyl value 220mgKOH/g, 23 DEG C, it is non-volatile
When object content is 100%, viscosity 2000mPas.
4. aviation aircraft exterior skin Lacquer finish coating as described in claim 1, which is characterized in that the polycaprolactone ternary
The non-volatile content of alcohol resin be 100%, number-average molecular weight Mn be 450, hydroxyl value 420mgKOH/g, 23 DEG C, it is non-volatile
When object content is 100%, viscosity 800mPas；The non-volatile content of the polycaprolactone diols resin is 100%,
Number-average molecular weight Mn is 550, hydroxyl value 210mgKOH/g, and when 23 DEG C, non-volatile content are 100%, viscosity is
400mPa·s。
5. aviation aircraft exterior skin Lacquer finish coating as described in claim 1, which is characterized in that the leveling auxiliary agent is
One or more of EFKA-3777S, EFKA-3034, EFKA-3035, EFKA-S022, EFKA-3236, EFKA-3277.
6. aviation aircraft exterior skin Lacquer finish coating as described in claim 1, which is characterized in that the acetylacetone,2,4-pentanedione salt
Catalyst is acetylacetone,2,4-pentanedione zirconium, in ferric acetyl acetonade, acetylacetone cobalt, aluminium acetylacetonate, manganese acetylacetonate, nickel acetylacetonate
It is one or more of.
7. aviation aircraft exterior skin Lacquer finish coating as described in claim 1, which is characterized in that the UV absorbers
For one or more of TINUVIN400, TINUVIN384, TINUVIN1130, TINUVIN411L, TINUVIN99-2.
8. aviation aircraft exterior skin Lacquer finish coating as described in claim 1, which is characterized in that the mixed solvent is ring
One or more of hexanone, butanone, isophorone, methyl iso-butyl ketone (MIBK), methyl-n-amyl ketone.
9. the preparation method of the described in any item aviation aircraft exterior skin Lacquer finish coating of claim 1-8, comprising steps of
S101. component B is prepared: by polycaprolactone quaternary alcohol resin, polycaprolactone ternary alcohol resin, polycaprolactone diols resin
It is added to the container with mixed solvent, 15-30min is stirred with the revolving speed of 100-300r/min using high speed disperser, is then being held
Acetylacetone,2,4-pentanedione salt catalyst is added in device, 5-10min is stirred with the revolving speed of 100-300r/min using high speed disperser, then
Leveling auxiliary agent and UV absorbers are sequentially added, 5-10min is stirred with the revolving speed of 100-300r/min using high speed disperser
Afterwards, filtering is to get component B；
S102. weigh component A and component B, stir and be uniformly mixed to get.
10. aviation aircraft exterior skin Lacquer finish coating as claimed in claim 9, which is characterized in that in the step S101,
It is carried out when filtering using 400 mesh tulles.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710988393.5A CN107793909B (en) | 2017-10-21 | 2017-10-21 | A kind of aviation aircraft exterior skin Lacquer finish coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710988393.5A CN107793909B (en) | 2017-10-21 | 2017-10-21 | A kind of aviation aircraft exterior skin Lacquer finish coating and preparation method thereof |
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| CN107793909B true CN107793909B (en) | 2019-10-08 |
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| WO2006055038A1 (en) * | 2004-05-24 | 2006-05-26 | Hontek Corporation | Abrasion resistant coatings |
| CN102617827B (en) * | 2011-01-27 | 2013-10-30 | 襄阳精信汇明化工有限责任公司 | Curing agent modified 1,6-hexamethylene diisocyanate biuret (HDI biuret) and preparation method thereof |
| CN102174286B (en) * | 2011-03-07 | 2013-09-25 | 中国海洋石油总公司 | Paint with low VOC (Volatile Organic Compound) for aircraft and preparation method thereof |
| EP3247732B1 (en) * | 2015-01-20 | 2018-12-12 | Covestro Deutschland AG | Crystallisation stable polyester prepolymers |
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